Exhibit 4.1

UR FINANCING ESCROW CORPORATION

as the Company,

UR MERGER SUB CORPORATION

as the Successor,

and

UNITED RENTALS, INC.

and

THE SUBSIDIARIES LISTED ON SCHEDULE I

as Guarantors,

and

WELLS FARGO BANK, NATIONAL ASSOCIATION

as Trustee

FIRST SUPPLEMENTAL INDENTURE

Dated as of April 30, 2012

$1,325,000,000

7.625% Senior Notes due 2022

FIRST SUPPLEMENTAL INDENTURE

SUPPLEMENTAL INDENTURE (“ Supplemental Indenture ”), dated as of April 30, 2012, among UR Financing Escrow Corporation, a Delaware corporation (the “ Company ”), UR Merger Sub Corporation, a Delaware corporation and a wholly owned subsidiary of Holdings (as defined below) (the “ Successor ”), United Rentals, Inc., a Delaware corporation (“ Holdings ”), the Subsidiary Guarantors listed on Schedule I (together with Holdings, the “ Guarantors ”), and Wells Fargo Bank, National Association, as trustee (the “ Trustee ”) under the Indenture referred to below. Capitalized terms used herein without definition shall have the meanings ascribed to them in the Indenture.

W I T N E S S E T H

WHEREAS, the Company and the Trustee have entered into an Indenture, dated as of March 9, 2012 (as amended, supplemented or otherwise modified from time to time, the “ Indenture ”), providing for the issuance by the Company of its 7.625% Senior Notes due 2022 (the “ Securities ”).

WHEREAS, the Company and the Successor have entered into an Agreement and Plan of Merger, dated April 30, 2012 (the “ Merger Agreement ”), which contemplates the filing of a certificate of merger with the Secretary of State of the State of Delaware providing for the merger (the “ Merger ”) of the Company with and into the Successor, with the Successor continuing its corporate existence under the laws of the State of Delaware as the surviving company of the Merger;

WHEREAS, Section 8.01 of the Indenture provides, among other things, that the Company may merge with or into another Person; provided that , among other things, (i) the Person formed by any merger with or into the Company (if other than the Company) expressly assumes by a supplemental indenture executed and delivered to the Trustee all of the obligations of the Company under the Securities and the Indenture and (ii) the Indenture, as so supplemented, remains in full force and effect;

WHEREAS, Section 9.01(i) of the Indenture provides, among other things, that the Indenture and Securities may be amended or supplemented without the consent of any Holder to provide for the assumption of the Company’s obligations to Holders in the case of a merger consummated pursuant to Article VIII of the Indenture;

WHEREAS, the Successor desires and has requested that the Trustee join in the execution of this Supplemental Indenture for the purpose of evidencing such assumption by the Successor;

WHEREAS, Section 10.16 of the Indenture provides that, to the extent not a party to the Indenture upon the original execution thereof, each Person required to become a Guarantor shall execute and deliver to the Trustee a supplemental indenture, pursuant to which it shall become a Guarantor under Article XIII of the Indenture and shall Guarantee the obligations of the Company (as defined in the Indenture) under the Indenture and the Securities;

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WHEREAS, Section 9.01(i) of the Indenture provides, among other things, that the Indenture and Securities may be amended or supplemented without the consent of any Holder to add Guarantees with respect to the Securities;

WHEREAS, the Guarantors named herein desire to execute this Supplemental Indenture in order to evidence the Guarantors’ Guarantees under Article XIII of the Indenture;

WHEREAS, the execution and delivery of this Supplemental Indenture has been authorized by resolutions of the boards of directors of the Successor and the Guarantors; and

WHEREAS, all conditions precedent and requirements necessary to make this Supplemental Indenture a valid and legally binding instrument in accordance with its terms have been complied with, performed and fulfilled, and the execution and delivery hereof has been in all respects duly authorized.

NOW THEREFORE, in consideration of the foregoing and for other good and valuable consideration, the receipt and adequacy of which is hereby acknowledged, the Successor, the Guarantors and the Trustee mutually covenant and agree for the equal and ratable benefit of the Holders as follows:

ARTICLE ONE

REPRESENTATIONS, WARRANTIES AND AGREEMENTS OF

THE SUCCESSOR AND THE GUARANTORS

The Successor and each Guarantor represents, warrants and agrees with the Trustee as follows:

SECTION 1.1. It is a corporation, limited partnership or limited liability company, as the case may be, duly organized, validly existing and in good standing under the laws of its respective state of formation as set forth in the preamble hereto.

SECTION 1.2. The execution, delivery and performance by it of this Supplemental Indenture has been authorized and approved by all necessary corporate, limited partnership or limited liability action, as applicable, on its part and this Supplemental Indenture is its valid and legally binding obligation, enforceable against it in accordance with its terms.

SECTION 1.3. The Merger will become effective in accordance with the laws of the State of Delaware when the certificate of merger, with respect to the Merger, is accepted by the Secretary of State of the State of Delaware (the time the Merger becomes effective being the “ Effective Time ”). Notice of the Effective Time shall be promptly provided by the Successor to the Trustee.

SECTION 1.4. The Indenture, as supplemented by this Supplemental Indenture, shall remain in full force and effect in accordance with its terms immediately after the execution of this Supplemental Indenture.

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ARTICLE TWO

ASSUMPTION AND AGREEMENTS

SECTION 2.1. As of the Effective Time, the Successor hereby assumes the due and punctual payment of the principal of, premium, if any, and interest and Liquidated Damages, if any, on the Securities, and the due and punctual performance and observance of all other covenants, conditions and other obligations contained in the Indenture on the part of the Company to be performed or observed.

SECTION 2.2. Securities authenticated and delivered after the execution of this Supplemental Indenture may, and shall if required by the Trustee, bear a notation in form approved by the Trustee as to any matter provided for in this Supplemental Indenture.

SECTION 2.3. The Successor shall succeed to, and be substituted for, and may exercise every right and power of, the Company under the Indenture and the Securities, with the same effect as if the Successor had been named as “the Company” therein.

ARTICLE THREE

GUARANTEES OF THE SECURITIES

SECTION 3.1. As of the Effective Time, the Guarantors named herein hereby agree, jointly and severally with all other Guarantors, to guarantee the Successor’s obligations under the Indenture and the Securities on the terms and subject to the conditions set forth in Article XIII of the Indenture and to be bound by all other applicable provisions of the Indenture applicable to “Guarantors.”

ARTICLE FOUR

MISCELLANEOUS

SECTION 4.1. Effectiveness . This Supplemental Indenture shall be effective upon execution by the parties hereto.

SECTION 4.2. Recitals . The recitals contained herein shall be taken as the statements of the Successor and the Guarantors, and the Trustee assumes no responsibility for their correctness. The Trustee makes no representations as to the validity of this Supplemental Indenture.

SECTION 4.3. Governing Law . THE LAWS OF THE STATE OF NEW YORK WITHOUT REGARD TO THE CONFLICT OF LAWS PRINCIPLES THEREOF SHALL GOVERN AND BE USED TO CONSTRUE THIS SUPPLEMENTAL INDENTURE.

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SECTION 4.4. Counterparts . The parties may sign any number of copies of this Supplemental Indenture (including by electronic transmission). Each signed copy shall be an original, but all of them together represent the same agreement. The exchange of copies of this Indenture and of signature pages by facsimile or PDF transmission shall constitute effective execution and delivery of this Indenture as to the parties hereto and may be used in lieu of the original Indenture for all purposes. Signatures of the parties hereto transmitted by facsimile or PDF shall be deemed to be their original signatures for all purposes.

SECTION 4.5 . Effect of Headings . The Section headings herein are for convenience only and shall not affect the construction hereof.

[ Signature pages follow ]

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IN WITNESS WHEREOF, the parties hereto have caused this Supplemental Indenture to be duly executed as of the day and year first above written.

[ Signature Page to 2022 Notes Supplemental Indenture ]

[ Signature Page to 2022 Notes Supplemental Indenture ]

[ Signature Page to 2022 Notes Supplemental Indenture ]

Exhibit 4.2

UR FINANCING ESCROW CORPORATION

as the Company,

UR MERGER SUB CORPORATION

as the Successor,

and

UNITED RENTALS, INC.

and

THE SUBSIDIARIES LISTED ON SCHEDULE I

as Guarantors,

and

WELLS FARGO BANK, NATIONAL ASSOCIATION

as Trustee

FIRST SUPPLEMENTAL INDENTURE

Dated as of April 30, 2012

$750,000,000

7.375% Senior Notes due 2020

FIRST SUPPLEMENTAL INDENTURE

SUPPLEMENTAL INDENTURE (“ Supplemental Indenture ”), dated as of April 30, 2012, among UR Financing Escrow Corporation, a Delaware corporation (the “ Company ”), UR Merger Sub Corporation, a Delaware corporation and a wholly owned subsidiary of Holdings (as defined below) (the “ Successor ”), United Rentals, Inc., a Delaware corporation (“ Holdings ”), the Subsidiary Guarantors listed on Schedule I (together with Holdings, the “ Guarantors ”), and Wells Fargo Bank, National Association, as trustee (the “ Trustee ”) under the Indenture referred to below. Capitalized terms used herein without definition shall have the meanings ascribed to them in the Indenture.

W I T N E S S E T H

WHEREAS, the Company and the Trustee have entered into an Indenture, dated as of March 9, 2012 (as amended, supplemented or otherwise modified from time to time, the “ Indenture ”), providing for the issuance by the Company of its 7.375% Senior Notes due 2020 (the “ Securities ”).

WHEREAS, the Company and the Successor have entered into an Agreement and Plan of Merger, dated April 30, 2012 (the “ Merger Agreement ”), which contemplates the filing of a certificate of merger with the Secretary of State of the State of Delaware providing for the merger (the “ Merger ”) of the Company with and into the Successor, with the Successor continuing its corporate existence under the laws of the State of Delaware as the surviving company of the Merger;

WHEREAS, Section 8.01 of the Indenture provides, among other things, that the Company may merge with or into another Person; provided that , among other things, (i) the Person formed by any merger with or into the Company (if other than the Company) expressly assumes by a supplemental indenture executed and delivered to the Trustee all of the obligations of the Company under the Securities and the Indenture and (ii) the Indenture, as so supplemented, remains in full force and effect;

WHEREAS, Section 9.01(i) of the Indenture provides, among other things, that the Indenture and Securities may be amended or supplemented without the consent of any Holder to provide for the assumption of the Company’s obligations to Holders in the case of a merger consummated pursuant to Article VIII of the Indenture;

WHEREAS, the Successor desires and has requested that the Trustee join in the execution of this Supplemental Indenture for the purpose of evidencing such assumption by the Successor;

WHEREAS, Section 10.16 of the Indenture provides that, to the extent not a party to the Indenture upon the original execution thereof, each Person required to become a Guarantor shall execute and deliver to the Trustee a supplemental indenture, pursuant to which it shall become a Guarantor under Article XIII of the Indenture and shall Guarantee the obligations of the Company (as defined in the Indenture) under the Indenture and the Securities;

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WHEREAS, Section 9.01(i) of the Indenture provides, among other things, that the Indenture and Securities may be amended or supplemented without the consent of any Holder to add Guarantees with respect to the Securities;

WHEREAS, the Guarantors named herein desire to execute this Supplemental Indenture in order to evidence the Guarantors’ Guarantees under Article XIII of the Indenture;

WHEREAS, the execution and delivery of this Supplemental Indenture has been authorized by resolutions of the boards of directors of the Successor and the Guarantors; and

WHEREAS, all conditions precedent and requirements necessary to make this Supplemental Indenture a valid and legally binding instrument in accordance with its terms have been complied with, performed and fulfilled, and the execution and delivery hereof has been in all respects duly authorized.

NOW THEREFORE, in consideration of the foregoing and for other good and valuable consideration, the receipt and adequacy of which is hereby acknowledged, the Successor, the Guarantors and the Trustee mutually covenant and agree for the equal and ratable benefit of the Holders as follows:

ARTICLE ONE

REPRESENTATIONS, WARRANTIES AND AGREEMENTS OF

THE SUCCESSOR AND THE GUARANTORS

The Successor and each Guarantor represents, warrants and agrees with the Trustee as follows:

SECTION 1.1. It is a corporation, limited partnership or limited liability company, as the case may be, duly organized, validly existing and in good standing under the laws of its respective state of formation as set forth in the preamble hereto.

SECTION 1.2. The execution, delivery and performance by it of this Supplemental Indenture has been authorized and approved by all necessary corporate, limited partnership or limited liability action, as applicable, on its part and this Supplemental Indenture is its valid and legally binding obligation, enforceable against it in accordance with its terms.

SECTION 1.3. The Merger will become effective in accordance with the laws of the State of Delaware when the certificate of merger, with respect to the Merger, is accepted by the Secretary of State of the State of Delaware (the time the Merger becomes effective being the “ Effective Time ”). Notice of the Effective Time shall be promptly provided by the Successor to the Trustee.

SECTION 1.4. The Indenture, as supplemented by this Supplemental Indenture, shall remain in full force and effect in accordance with its terms immediately after the execution of this Supplemental Indenture.

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ARTICLE TWO

ASSUMPTION AND AGREEMENTS

SECTION 2.1. As of the Effective Time, the Successor hereby assumes the due and punctual payment of the principal of, premium, if any, and interest and Liquidated Damages, if any, on the Securities, and the due and punctual performance and observance of all other covenants, conditions and other obligations contained in the Indenture on the part of the Company to be performed or observed.

SECTION 2.2. Securities authenticated and delivered after the execution of this Supplemental Indenture may, and shall if required by the Trustee, bear a notation in form approved by the Trustee as to any matter provided for in this Supplemental Indenture.

SECTION 2.3. The Successor shall succeed to, and be substituted for, and may exercise every right and power of, the Company under the Indenture and the Securities, with the same effect as if the Successor had been named as “the Company” therein.

ARTICLE THREE

GUARANTEES OF THE SECURITIES

SECTION 3.1. As of the Effective Time, the Guarantors named herein hereby agree, jointly and severally with all other Guarantors, to guarantee the Successor’s obligations under the Indenture and the Securities on the terms and subject to the conditions set forth in Article XIII of the Indenture and to be bound by all other applicable provisions of the Indenture applicable to “Guarantors.”

ARTICLE FOUR

MISCELLANEOUS

SECTION 4.1. Effectiveness . This Supplemental Indenture shall be effective upon execution by the parties hereto.

SECTION 4.2. Recitals . The recitals contained herein shall be taken as the statements of the Successor and the Guarantors, and the Trustee assumes no responsibility for their correctness. The Trustee makes no representations as to the validity of this Supplemental Indenture.

SECTION 4.3. Governing Law . THE LAWS OF THE STATE OF NEW YORK WITHOUT REGARD TO THE CONFLICT OF LAWS PRINCIPLES THEREOF SHALL GOVERN AND BE USED TO CONSTRUE THIS SUPPLEMENTAL INDENTURE.

SECTION 4.4. Counterparts . The parties may sign any number of copies of this Supplemental Indenture (including by electronic transmission). Each signed copy shall be an original, but all of them together represent the same agreement. The exchange of copies of this Indenture and of signature pages by facsimile or PDF transmission shall constitute effective execution and delivery of this Indenture as to the parties hereto and may be used in lieu of the original Indenture for all purposes. Signatures of the parties hereto transmitted by facsimile or PDF shall be deemed to be their original signatures for all purposes.

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SECTION 4.5. Effect of Headings . The Section headings herein are for convenience only and shall not affect the construction hereof.

[ Signature pages follow ]

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IN WITNESS WHEREOF, the parties hereto have caused this Supplemental Indenture to be duly executed as of the day and year first above written.

[ Signature Page to 2020 Notes Supplemental Indenture ]

[ Signature Page to 2020 Notes Supplemental Indenture ]

[ Signature Page to 2020 Notes Supplemental Indenture ]

Exhibit 4.3

UR FINANCING ESCROW CORPORATION

as the Company,

UR MERGER SUB CORPORATION

as the Successor,

and

UNITED RENTALS, INC.

and

THE SUBSIDIARIES LISTED ON SCHEDULE I

as Guarantors,

and

WELLS FARGO BANK, NATIONAL ASSOCIATION

as Trustee and Notes Collateral Agent

FIRST SUPPLEMENTAL INDENTURE

Dated as of April 30, 2012

$750,000,000

5.75% Senior Secured Notes due 2018

FIRST SUPPLEMENTAL INDENTURE

SUPPLEMENTAL INDENTURE (“ Supplemental Indenture ”), dated as of April 30, 2012, among UR Financing Escrow Corporation, a Delaware corporation (the “ Company ”), UR Merger Sub Corporation, a Delaware corporation and a wholly owned subsidiary of Holdings (as defined below) (the “ Successor ”), United Rentals, Inc., a Delaware corporation (“ Holdings ”), the Subsidiary Guarantors listed on Schedule I (together with Holdings, the “ Guarantors ”), and Wells Fargo Bank, National Association, as trustee (the “ Trustee ”) and notes collateral agent (“ Notes Collateral Agent ”) under the Indenture referred to below. Capitalized terms used herein without definition shall have the meanings ascribed to them in the Indenture.

W I T N E S S E T H

WHEREAS, the Company and the Trustee have entered into an Indenture, dated as of March 9, 2012 (as amended, supplemented or otherwise modified from time to time, the “ Indenture ”), providing for the issuance by the Company of its 5.75% Senior Secured Notes due 2018 (the “ Securities ”).

WHEREAS, the Company and the Successor have entered into an Agreement and Plan of Merger, dated April 30, 2012 (the “ Merger Agreement ”), which contemplates the filing of a certificate of merger with the Secretary of State of the State of Delaware providing for the merger (the “ Merger ”) of the Company with and into the Successor, with the Successor continuing its corporate existence under the laws of the State of Delaware as the surviving company of the Merger;

WHEREAS, Section 8.01 of the Indenture provides, among other things, that the Company may merge with or into another Person; provided that , among other things, (i) the Person formed by any merger with or into the Company (if other than the Company) expressly assumes by a supplemental indenture executed and delivered to the Trustee all of the obligations of the Company under the Securities and the Indenture and (ii) the Indenture, as so supplemented, remains in full force and effect;

WHEREAS, Section 9.01(i) of the Indenture provides, among other things, that the Indenture and Securities may be amended or supplemented without the consent of any Holder to provide for the assumption of the Company’s obligations to Holders in the case of a merger consummated pursuant to Article VIII of the Indenture;

WHEREAS, the Successor desires and has requested that the Trustee join in the execution of this Supplemental Indenture for the purpose of evidencing such assumption by the Successor;

WHEREAS, Section 10.16 of the Indenture provides that, to the extent not a party to the Indenture upon the original execution thereof, each Person required to become a Guarantor shall execute and deliver to the Trustee a supplemental indenture, pursuant to which it shall become a Guarantor under Article XIII of the Indenture and shall Guarantee the obligations of the Company (as defined in the Indenture) under the Indenture and the Securities;

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WHEREAS, Section 9.01(i) of the Indenture provides, among other things, that the Indenture and Securities may be amended or supplemented without the consent of any Holder to add Guarantees with respect to the Securities;

WHEREAS, the Guarantors named herein desire to execute this Supplemental Indenture in order to evidence the Guarantors’ Guarantees under Article XIII of the Indenture;

WHEREAS, the execution and delivery of this Supplemental Indenture has been authorized by resolutions of the boards of directors of the Successor and the Guarantors; and

WHEREAS, all conditions precedent and requirements necessary to make this Supplemental Indenture a valid and legally binding instrument in accordance with its terms have been complied with, performed and fulfilled, and the execution and delivery hereof has been in all respects duly authorized.

NOW THEREFORE, in consideration of the foregoing and for other good and valuable consideration, the receipt and adequacy of which is hereby acknowledged, the Successor, the Guarantors and the Trustee mutually covenant and agree for the equal and ratable benefit of the Holders as follows:

ARTICLE ONE

REPRESENTATIONS, WARRANTIES AND AGREEMENTS OF

THE SUCCESSOR AND THE GUARANTORS

The Successor and each Guarantor represents, warrants and agrees with the Trustee as follows:

SECTION 1.1. It is a corporation, limited partnership or limited liability company, as the case may be, duly organized, validly existing and in good standing under the laws of its respective state of formation as set forth in the preamble hereto.

SECTION 1.2. The execution, delivery and performance by it of this Supplemental Indenture has been authorized and approved by all necessary corporate, limited partnership or limited liability action, as applicable, on its part and this Supplemental Indenture is its valid and legally binding obligation, enforceable against it in accordance with its terms.

SECTION 1.3. The Merger will become effective in accordance with the laws of the State of Delaware when the certificate of merger, with respect to the Merger, is accepted by the Secretary of State of the State of Delaware (the time the Merger becomes effective being the “ Effective Time ”). Notice of the Effective Time shall be promptly provided by the Successor to the Trustee.

SECTION 1.4. The Indenture, as supplemented by this Supplemental Indenture, shall remain in full force and effect in accordance with its terms immediately after the execution of this Supplemental Indenture.

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ARTICLE TWO

ASSUMPTION AND AGREEMENTS

SECTION 2.1. As of the Effective Time, the Successor hereby assumes the due and punctual payment of the principal of, premium, if any, and interest and Liquidated Damages, if any, on the Securities, and the due and punctual performance and observance of all other covenants, conditions and other obligations contained in the Indenture on the part of the Company to be performed or observed.

SECTION 2.2. Securities authenticated and delivered after the execution of this Supplemental Indenture may, and shall if required by the Trustee, bear a notation in form approved by the Trustee as to any matter provided for in this Supplemental Indenture.

SECTION 2.3. The Successor shall succeed to, and be substituted for, and may exercise every right and power of, the Company under the Indenture and the Securities, with the same effect as if the Successor had been named as “the Company” therein.

ARTICLE THREE

GUARANTEES OF THE SECURITIES

SECTION 3.1. As of the Effective Time, the Guarantors named herein hereby agree, jointly and severally with all other Guarantors, to guarantee the Successor’s obligations under the Indenture and the Securities on the terms and subject to the conditions set forth in Article XIII of the Indenture and to be bound by all other applicable provisions of the Indenture applicable to “Guarantors.”

ARTICLE FOUR

MISCELLANEOUS

SECTION 4.1. Effectiveness . This Supplemental Indenture shall be effective upon execution by the parties hereto.

SECTION 4.2. Recitals . The recitals contained herein shall be taken as the statements of the Successor and the Guarantors, and the Trustee assumes no responsibility for their correctness. The Trustee makes no representations as to the validity of this Supplemental Indenture.

SECTION 4.3. Governing Law . THE LAWS OF THE STATE OF NEW YORK WITHOUT REGARD TO THE CONFLICT OF LAWS PRINCIPLES THEREOF SHALL GOVERN AND BE USED TO CONSTRUE THIS SUPPLEMENTAL INDENTURE.

SECTION 4.4. Counterparts . The parties may sign any number of copies of this Supplemental Indenture (including by electronic transmission). Each signed copy shall be an original, but all of them together represent the same agreement. The exchange of copies of this Indenture and of signature pages by facsimile or PDF transmission shall constitute effective execution and delivery of this Indenture as to the parties hereto and may be used in lieu of the original Indenture for all purposes. Signatures of the parties hereto transmitted by facsimile or PDF shall be deemed to be their original signatures for all purposes.

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SECTION 4.5. Effect of Headings . The Section headings herein are for convenience only and shall not affect the construction hereof.

[ Signature pages follow ]

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IN WITNESS WHEREOF, the parties hereto have caused this Supplemental Indenture to be duly executed as of the day and year first above written.

[ Signature Page to 2018 Secured Notes Supplemental Indenture ]

[ Signature Page to 2018 Secured Notes Supplemental Indenture ]

[ Signature Page to 2018 Secured Notes Supplemental Indenture ]

Exhibit 4.4

EXECUTION VERSION

UNITED RENTALS (NORTH AMERICA), INC.

as the Company,

and

UNITED RENTALS, INC.

and

THE SUBSIDIARIES LISTED ON SCHEDULE I

as Guarantors,

and

UR MERGER SUB CORPORATION

as the Surviving Entity,

and

THE BANK OF NEW YORK MELLON

as Trustee

FIRST SUPPLEMENTAL INDENTURE

Dated as of April 30, 2012

$500,000,000

9.25% Senior Notes due 2019

FIRST SUPPLEMENTAL INDENTURE

THIS FIRST SUPPLEMENTAL INDENTURE (the “ First Supplemental Indenture ”) to the Indenture, dated as of November 17, 2009 (the “ Original Indenture ”, and, as supplemented hereby, the “ Indenture ”), is entered into as of April 30, 2012, among UNITED RENTALS (NORTH AMERICA), INC., a Delaware corporation (herein called the “ Company ”), UNITED RENTALS, INC., a Delaware corporation (herein called “ Holdings ”), THE COMPANIES LISTED ON SCHEDULE I (herein called the “ Subsidiary Guarantors ”), UR MERGER SUB CORPORATION, a Delaware corporation (herein called the “ Surviving Entity ”), and THE BANK OF NEW YORK MELLON, a New York banking corporation, having its principal corporate trust office at 101 Barclay Street, New York, New York, 10286, as Trustee (herein called the “ Trustee ”).

RECITALS OF THE COMPANY

The Company and the Trustee have entered into the Original Indenture, providing for the issuance by the Company of its 9.25% Senior Notes due 2019 (the “ Securities ”).

The Company and the Surviving Entity have entered into an Agreement and Plan of Merger, dated April 30, 2012, which contemplates the filing of a certificate of merger with the Secretary of State of the State of Delaware providing for the merger (the “ Merger ”) of the Company with and into the Surviving Entity, with the Surviving Entity continuing its corporate existence under the laws of the State of Delaware as the surviving company of the Merger.

Pursuant to Section 8.01 of the Original Indenture, the Company may merge with and into another Person, provided that, among other things, (i) the Person formed by any merger with and into the Company (if other than the Company) expressly assumes by a supplemental indenture executed and delivered to the Trustee all the obligations of the Company under the Indenture and the Securities and (ii) the Indenture, as so supplemented, and the Securities remain in full force and effect.

Pursuant to Section 9.01 of the Original Indenture, the Indenture and the Securities may be amended or supplemented without the consent of any Holder to provide for the assumption of the Company’s obligations to Holders in the case of a merger consummated pursuant to Article VIII of the Indenture.

Pursuant to Section 9.01 of the Original Indenture, the Company, Holdings, the Subsidiary Guarantors and the Trustee may make such amendment, waiver or supplement so long as such amendment, waiver or supplement does not adversely affect the rights of Holders, subject to the fulfillment of certain other conditions set forth therein.

The amendments contained herein do not adversely affect the rights of Holders.

The Surviving Entity, the Company, Holdings, the Subsidiary Guarantors and the Trustee wish to supplement the Original Indenture so that the Surviving Entity expressly assumes all the obligations of the Company under the Original Indenture and the Securities.

The Surviving Entity desires and has requested that the Trustee join in the execution of this First Supplemental Indenture for the purpose of evidencing such assumption by the Surviving Entity.

The entry into this First Supplemental Indenture by the Surviving Entity, the Company, Holdings, the Subsidiary Guarantors and the Trustee is in all respects authorized by the provisions of the Original Indenture.

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The execution and delivery of this First Supplemental Indenture has been authorized by resolutions of the board of directors of the Surviving Entity.

All acts and requirements necessary to make this First Supplemental Indenture a valid agreement of the Surviving Entity, the Company, Holdings, the Subsidiary Guarantors and the Trustee and a valid supplement to the Original Indenture have been done.

Each party hereto agrees as follows for the benefit of each other party and for the equal and ratable benefit of the Holders:

ARTICLE I

DEFINITIONS

Section 1.01. Definitions . Capitalized terms used in this First Supplemental Indenture and not otherwise defined herein shall have the meanings assigned to such terms in the Original Indenture.

ARTICLE II

ASSUMPTION

Section 2.01. Successor under the Indenture . For valuable consideration, the receipt of which is hereby acknowledged, the Surviving Entity hereby agrees with the Company, Holdings, the Subsidiary Guarantors, the Holders of the Securities and the Trustee that, concurrently with the execution and delivery of this First Supplemental Indenture by the Surviving Entity and the merger of the Company with and into the Surviving Entity, the Surviving Entity shall assume all of the obligations of the Company for the purposes of the Indenture and for purposes of all amounts due and owing on the Securities outstanding under the Indenture.

Section 2.02. Rights and Obligations of the Surviving Entity . The rights and obligations of the Surviving Entity and the restrictions imposed upon it under the Indenture shall be the same in all respects as if the Surviving Entity had been named as the Company under the Original Indenture.

Section 2.03. Securities . Securities authenticated and delivered after the execution of this First Supplemental Indenture may, and shall if required by the Trustee, bear a notation in form approved by the Trustee as to any matter provided for in this First Supplemental Indenture.

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Section 3.02. Effectiveness of First Supplemental Indenture . This First Supplemental Indenture shall be effective upon (a) its execution and delivery by the parties hereto and (b) the merger of the Company with and into the Surviving Entity.

Section 3.03. Relation to Original Indenture . This First Supplemental Indenture supplements the Indenture and shall be a part and subject to all the terms thereof. Except as supplemented hereby, all of the terms, provisions and conditions of the Indenture and the Securities issued thereunder shall continue in full force and effect.

Section 3.04. Concerning the Trustee . The Trustee shall not be responsible for any recital herein (other than as they appear and as they apply to the Trustee) as such recitals shall be taken as statements of the Surviving Entity, the Company, Holdings or the Subsidiary Guarantors, or the validity of the execution by the Surviving Entity, the Company, Holdings or the Subsidiary Guarantors of this First Supplemental Indenture. The Trustee makes no representations as to the validity or sufficiency of this instrument.

Section 3.05. Effect of Headings . The Article and Section headings herein are for convenience of reference only and shall not affect the construction hereof.

Section 3.06. Counterparts . This instrument may be executed in counterparts, each of which shall be deemed an original, but all of which shall together constitute one and the same instrument.

Section 3.07. Governing Law . This instrument shall be governed by and construed in accordance with the laws of the State of New York, without regard to the conflicts of laws principles thereof.

[signature pages follow]

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IN WITNESS WHEREOF, the parties hereto have caused this First Supplemental Indenture to be duly executed as of the day and year first above written.

[ Signature Page to 9.25% Senior Notes First Supplemental Indenture ]

[ Signature Page to 9.25% Senior Notes First Supplemental Indenture ]

[ Signature Page to 9.25% Senior Notes First Supplemental Indenture ]

[ Signature Page to 9.25% Senior Notes First Supplemental Indenture ]

SCHEDULE I

SUBSIDIARY GUARANTORS

InfoManager, Inc.

United Rentals (Delaware), Inc.

United Rentals Financing Limited Partnership

United Rentals Highway Technologies Gulf, LLC

United Rentals Realty, LLC

Wynne Systems, Inc.

Exhibit 4.5

UNITED RENTALS (NORTH AMERICA), INC.

as the Company,

and

UNITED RENTALS, INC.

and

THE SUBSIDIARIES LISTED ON SCHEDULE I

as Guarantors,

and

UR MERGER SUB CORPORATION

as the Surviving Entity,

and

THE BANK OF NEW YORK MELLON

as Trustee

FIRST SUPPLEMENTAL INDENTURE

Dated as of April 30, 2012

$500,000,000

10.875% Senior Notes due 2016

FIRST SUPPLEMENTAL INDENTURE

THIS FIRST SUPPLEMENTAL INDENTURE (the “ First Supplemental Indenture ”) to the Indenture, dated as of June 9, 2009 (the “ Original Indenture ”, and, as supplemented hereby, the “ Indenture ”), is entered into as of April 30, 2012, among UNITED RENTALS (NORTH AMERICA), INC., a Delaware corporation (herein called the “ Company ”), UNITED RENTALS, INC., a Delaware corporation (herein called “ Holdings ”), THE COMPANIES LISTED ON SCHEDULE I (herein called the “ Subsidiary Guarantors ”), UR MERGER SUB CORPORATION, a Delaware corporation (herein called the “ Surviving Entity ”), and THE BANK OF NEW YORK MELLON, a New York banking corporation, having its principal corporate trust office at 101 Barclay Street, New York, New York, 10286, as Trustee (herein called the “ Trustee ”).

RECITALS OF THE COMPANY

The Company and the Trustee have entered into the Original Indenture, providing for the issuance by the Company of its 10.875% Senior Notes due 2016 (the “ Securities ”).

The Company and the Surviving Entity have entered into an Agreement and Plan of Merger, dated April 30, 2012, which contemplates the filing of a certificate of merger with the Secretary of State of the State of Delaware providing for the merger (the “ Merger ”) of the Company with and into the Surviving Entity, with the Surviving Entity continuing its corporate existence under the laws of the State of Delaware as the surviving company of the Merger.

Pursuant to Section 8.01 of the Original Indenture, the Company may merge with and into another Person, provided that, among other things, (i) the Person formed by any merger with and into the Company (if other than the Company) expressly assumes by a supplemental indenture executed and delivered to the Trustee all the obligations of the Company under the Indenture and the Securities and (ii) the Indenture, as so supplemented, and the Securities remain in full force and effect.

Pursuant to Section 9.01 of the Original Indenture, the Indenture and the Securities may be amended or supplemented without the consent of any Holder to provide for the assumption of the Company’s obligations to Holders in the case of a merger consummated pursuant to Article VIII of the Indenture.

Pursuant to Section 9.01 of the Original Indenture, the Company, Holdings, the Subsidiary Guarantors and the Trustee may make such amendment, waiver or supplement so long as such amendment, waiver or supplement does not adversely affect the rights of Holders, subject to the fulfillment of certain other conditions set forth therein.

The amendments contained herein do not adversely affect the rights of Holders.

The Surviving Entity, the Company, Holdings, the Subsidiary Guarantors and the Trustee wish to supplement the Original Indenture so that the Surviving Entity expressly assumes all the obligations of the Company under the Original Indenture and the Securities.

The Surviving Entity desires and has requested that the Trustee join in the execution of this First Supplemental Indenture for the purpose of evidencing such assumption by the Surviving Entity.

The entry into this First Supplemental Indenture by the Surviving Entity, the Company, Holdings, the Subsidiary Guarantors and the Trustee is in all respects authorized by the provisions of the Original Indenture.

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The execution and delivery of this First Supplemental Indenture has been authorized by resolutions of the board of directors of the Surviving Entity.

All acts and requirements necessary to make this First Supplemental Indenture a valid agreement of the Surviving Entity, the Company, Holdings, the Subsidiary Guarantors and the Trustee and a valid supplement to the Original Indenture have been done.

Each party hereto agrees as follows for the benefit of each other party and for the equal and ratable benefit of the Holders:

ARTICLE I

DEFINITIONS

Section 1.01. Definitions . Capitalized terms used in this First Supplemental Indenture and not otherwise defined herein shall have the meanings assigned to such terms in the Original Indenture.

ARTICLE II

ASSUMPTION

Section 2.01. Successor under the Indenture . For valuable consideration, the receipt of which is hereby acknowledged, the Surviving Entity hereby agrees with the Company, Holdings, the Subsidiary Guarantors, the Holders of the Securities and the Trustee that, concurrently with the execution and delivery of this First Supplemental Indenture by the Surviving Entity and the merger of the Company with and into the Surviving Entity, the Surviving Entity shall assume all of the obligations of the Company for the purposes of the Indenture and for purposes of all amounts due and owing on the Securities outstanding under the Indenture.

Section 2.02. Rights and Obligations of the Surviving Entity . The rights and obligations of the Surviving Entity and the restrictions imposed upon it under the Indenture shall be the same in all respects as if the Surviving Entity had been named as the Company under the Original Indenture.

Section 2.03. Securities . Securities authenticated and delivered after the execution of this First Supplemental Indenture may, and shall if required by the Trustee, bear a notation in form approved by the Trustee as to any matter provided for in this First Supplemental Indenture.

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Section 3.02. Effectiveness of First Supplemental Indenture . This First Supplemental Indenture shall be effective upon (a) its execution and delivery by the parties hereto and (b) the merger of the Company with and into the Surviving Entity.

Section 3.03. Relation to Original Indenture . This First Supplemental Indenture supplements the Indenture and shall be a part and subject to all the terms thereof. Except as supplemented hereby, all of the terms, provisions and conditions of the Indenture and the Securities issued thereunder shall continue in full force and effect.

Section 3.04. Concerning the Trustee . The Trustee shall not be responsible for any recital herein (other than as they appear and as they apply to the Trustee) as such recitals shall be taken as statements of the Surviving Entity, the Company, Holdings or the Subsidiary Guarantors, or the validity of the execution by the Surviving Entity, the Company, Holdings or the Subsidiary Guarantors of this First Supplemental Indenture. The Trustee makes no representations as to the validity or sufficiency of this instrument.

Section 3.05. Effect of Headings . The Article and Section headings herein are for convenience of reference only and shall not affect the construction hereof.

Section 3.06. Counterparts . This instrument may be executed in counterparts, each of which shall be deemed an original, but all of which shall together constitute one and the same instrument.

Section 3.07. Governing Law . This instrument shall be governed by and construed in accordance with the laws of the State of New York, without regard to the conflicts of laws principles thereof.

[signature pages follow]

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IN WITNESS WHEREOF, the parties hereto have caused this First Supplemental Indenture to be duly executed as of the day and year first above written.

[ Signature Page to 10.875% Senior Notes First Supplemental Indenture ]

[ Signature Page to 10.875% Senior Notes First Supplemental Indenture ]

[ Signature Page to 10.875% Senior Notes First Supplemental Indenture ]

[ Signature Page to 10.875% Senior Notes First Supplemental Indenture ]

SCHEDULE I

SUBSIDIARY GUARANTORS

InfoManager, Inc.

United Rentals (Delaware), Inc.

United Rentals Financing Limited Partnership

United Rentals Highway Technologies Gulf, LLC

United Rentals Realty, LLC

Wynne Systems, Inc.

Exhibit 4.6

UNITED RENTALS (NORTH AMERICA), INC.

as the Company,

and

UNITED RENTALS, INC.

and

THE SUBSIDIARIES LISTED ON SCHEDULE I

as Guarantors,

and

UR MERGER SUB CORPORATION

as the Surviving Entity,

and

THE BANK OF NEW YORK MELLON

as Trustee

SECOND SUPPLEMENTAL INDENTURE

Dated as of April 30, 2012

$750,000,000

8.375% Senior Subordinated Notes due 2020

SECOND SUPPLEMENTAL INDENTURE

THIS SECOND SUPPLEMENTAL INDENTURE (the “ Second Supplemental Indenture ”) to the Indenture, dated as of October 26, 2010 (as supplemented prior to the date hereof, the “ Original Indenture ”, and, as supplemented hereby, the “ Indenture ”), is entered into as of April 30, 2012, among UNITED RENTALS (NORTH AMERICA), INC., a Delaware corporation (herein called the “ Company ”), UNITED RENTALS, INC., a Delaware corporation (herein called “ Holdings ”), THE COMPANIES LISTED ON SCHEDULE I (herein called the “ Subsidiary Guarantors ”), UR MERGER SUB CORPORATION, a Delaware corporation (herein called the “ Surviving Entity ”), and THE BANK OF NEW YORK MELLON, a New York banking corporation, having its principal corporate trust office at 101 Barclay Street, New York, New York, 10286, as Trustee (herein called the “ Trustee ”).

RECITALS OF THE COMPANY

The Company and the Trustee have entered into the Original Indenture, providing for the issuance by the Company of its 8.375% Senior Subordinated Notes due 2020 (the “ Securities ”).

The Company and the Trustee have entered into the First Supplemental Indenture, dated as of December 1, 2010, providing for additional guarantees by certain Subsidiary Guarantors of the Company’s obligations under the Original Indenture.

The Company and the Surviving Entity have entered into an Agreement and Plan of Merger, dated April 30, 2012, which contemplates the filing of a certificate of merger with the Secretary of State of the State of Delaware providing for the merger (the “ Merger ”) of the Company with and into the Surviving Entity, with the Surviving Entity continuing its corporate existence under the laws of the State of Delaware as the surviving company of the Merger.

Pursuant to Section 8.01 of the Original Indenture, the Company may merge with and into another Person, provided that, among other things, (i) the Person formed by any merger with and into the Company (if other than the Company) expressly assumes by a supplemental indenture executed and delivered to the Trustee all the obligations of the Company under the Indenture and the Securities and (ii) the Indenture, as so supplemented, and the Securities remain in full force and effect.

Pursuant to Section 9.01 of the Original Indenture, the Indenture and the Securities may be amended or supplemented without the consent of any Holder to provide for the assumption of the Company’s obligations to Holders in the case of a merger consummated pursuant to Article VIII of the Indenture.

Pursuant to Section 9.01 of the Original Indenture, the Company, Holdings, the Subsidiary Guarantors and the Trustee may make such amendment, waiver or supplement so long as such amendment, waiver or supplement does not adversely affect the rights of Holders, subject to the fulfillment of certain other conditions set forth therein.

The amendments contained herein do not adversely affect the rights of Holders.

The Surviving Entity, the Company, Holdings, the Subsidiary Guarantors and the Trustee wish to supplement the Original Indenture so that the Surviving Entity expressly assumes all the obligations of the Company under the Original Indenture and the Securities.

The Surviving Entity desires and has requested that the Trustee join in the execution of this Second Supplemental Indenture for the purpose of evidencing such assumption by the Surviving Entity.

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The entry into this Second Supplemental Indenture by the Surviving Entity, the Company, Holdings, the Subsidiary Guarantors and the Trustee is in all respects authorized by the provisions of the Original Indenture.

The execution and delivery of this Second Supplemental Indenture has been authorized by resolutions of the board of directors of the Surviving Entity.

All acts and requirements necessary to make this Second Supplemental Indenture a valid agreement of the Surviving Entity, the Company, Holdings, the Subsidiary Guarantors and the Trustee and a valid supplement to the Original Indenture have been done.

Each party hereto agrees as follows for the benefit of each other party and for the equal and ratable benefit of the Holders:

ARTICLE I

DEFINITIONS

Section 1.01. Definitions . Capitalized terms used in this Second Supplemental Indenture and not otherwise defined herein shall have the meanings assigned to such terms in the Original Indenture.

ARTICLE II

ASSUMPTION

Section 2.01. Successor under the Indenture . For valuable consideration, the receipt of which is hereby acknowledged, the Surviving Entity hereby agrees with the Company, Holdings, the Subsidiary Guarantors, the Holders of the Securities and the Trustee that, concurrently with the execution and delivery of this Second Supplemental Indenture by the Surviving Entity and the merger of the Company with and into the Surviving Entity, the Surviving Entity shall assume all of the obligations of the Company for the purposes of the Indenture and for purposes of all amounts due and owing on the Securities outstanding under the Indenture.

Section 2.02. Rights and Obligations of the Surviving Entity . The rights and obligations of the Surviving Entity and the restrictions imposed upon it under the Indenture shall be the same in all respects as if the Surviving Entity had been named as the Company under the Original Indenture.

Section 2.03. Securities . Securities authenticated and delivered after the execution of this Second Supplemental Indenture may, and shall if required by the Trustee, bear a notation in form approved by the Trustee as to any matter provided for in this Second Supplemental Indenture.

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Section 3.02. Effectiveness of Second Supplemental Indenture . This Second Supplemental Indenture shall be effective upon (a) its execution and delivery by the parties hereto and (b) the merger of the Company with and into the Surviving Entity.

Section 3.03. Relation to Original Indenture . This Second Supplemental Indenture supplements the Indenture and shall be a part and subject to all the terms thereof. Except as supplemented hereby, all of the terms, provisions and conditions of the Indenture and the Securities issued thereunder shall continue in full force and effect.

Section 3.04. Concerning the Trustee . The Trustee shall not be responsible for any recital herein (other than as they appear and as they apply to the Trustee) as such recitals shall be taken as statements of the Surviving Entity, the Company, Holdings or the Subsidiary Guarantors, or the validity of the execution by the Surviving Entity, the Company, Holdings or the Subsidiary Guarantors of this Second Supplemental Indenture. The Trustee makes no representations as to the validity or sufficiency of this instrument.

Section 3.05. Effect of Headings . The Article and Section headings herein are for convenience of reference only and shall not affect the construction hereof.

Section 3.06. Counterparts . This instrument may be executed in counterparts, each of which shall be deemed an original, but all of which shall together constitute one and the same instrument.

Section 3.07. Governing Law . This instrument shall be governed by and construed in accordance with the laws of the State of New York, without regard to the conflicts of laws principles thereof.

[signature pages follow]

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IN WITNESS WHEREOF, the parties hereto have caused this Second Supplemental Indenture to be duly executed as of the day and year first above written.

[ Signature Page to 8.375% Senior Subordinated Notes Second Supplemental Indenture ]

[ Signature Page to 8.375% Senior Subordinated Notes Second Supplemental Indenture ]

[ Signature Page to 8.375% Senior Subordinated Notes Second Supplemental Indenture ]

[ Signature Page to 8.375% Senior Subordinated Notes Second Supplemental Indenture ]

SCHEDULE I

SUBSIDIARY GUARANTORS

InfoManager, Inc.

United Rentals (Delaware), Inc.

United Rentals Financing Limited Partnership

United Rentals Highway Technologies Gulf, LLC

United Rentals Realty, LLC

Wynne Systems, Inc.

Exhibit 4.7

UNITED RENTALS (NORTH AMERICA), INC.

as the Company,

and

UNITED RENTALS, INC.

as the Guarantor,

and

UR MERGER SUB CORPORATION

as the Surviving Entity,

and

THE BANK OF NEW YORK MELLON

as Trustee

SECOND SUPPLEMENTAL INDENTURE

Dated as of April 30, 2012

$22,000,000

1.875% Convertible Senior Subordinated Notes due 2023

SECOND SUPPLEMENTAL INDENTURE

THIS SECOND SUPPLEMENTAL INDENTURE (the “Second Supplemental Indenture”) to the Indenture, dated as of October 31, 2003 (as amended, supplemented or otherwise modified from time to time prior to the date hereof, the “Original Indenture,” and, as supplemented hereby, the “Indenture”), is entered into as of April 30, 2012, among UNITED RENTALS (NORTH AMERICA), INC., a Delaware corporation (herein called the “Company”), UNITED RENTALS, INC., a Delaware corporation (herein called “Holdings”), UR MERGER SUB CORPORATION, a Delaware corporation (herein called the “Surviving Entity”), and THE BANK OF NEW YORK MELLON, a New York banking corporation, having its principal corporate trust office at 101 Barclay Street, New York, New York, 10286, as Trustee (herein called the “Trustee”).

RECITALS OF THE COMPANY

The Company, Holdings and the Trustee have entered into the Original Indenture, providing for the issuance by the Company of its 1.875% Convertible Senior Subordinated Notes due 2023 (the “Securities”).

The Company and the Surviving Entity have entered into an Agreement and Plan of Merger, dated April 30, 2012, which contemplates the filing of a certificate of merger with the Secretary of State of the State of Delaware providing for the merger (the “Merger”) of the Company with and into the Surviving Entity, with the Surviving Entity continuing its corporate existence under the laws of the State of Delaware as the surviving corporation of the Merger.

Pursuant to Section 8.01 of the Original Indenture, the Company may merge with and into another Person, provided that, among other things, (i) the Person formed by any merger with and into the Company (if other than the Company) expressly assumes by a supplemental indenture executed and delivered to the Trustee all the obligations of the Company under the Indenture and the Securities and (ii) the Indenture, as so supplemented, the Securities and the Guarantee remain in full force and effect.

Pursuant to Section 9.01 of the Original Indenture, the Indenture and the Securities may be amended or supplemented without the consent of any Holder to provide for the assumption of the Company’s obligations to Holders in the case of a merger consummated pursuant to Article VIII of the Indenture.

Pursuant to Section 9.01 of the Original Indenture, the Company, Holdings and the Trustee may make such amendment, waiver or supplement so long as such amendment, waiver or supplement does not adversely affect the rights of Holders, subject to the fulfillment of certain other conditions set forth therein.

The amendments contained herein do not adversely affect the rights of Holders.

The Surviving Entity, the Company, Holdings and the Trustee wish to supplement the Original Indenture so that the Surviving Entity expressly assumes all the obligations of the Company under the Original Indenture and the Securities.

The Surviving Entity desires and has requested that the Trustee join in the execution of this Second Supplemental Indenture for the purpose of evidencing such assumption by the Surviving Entity.

The entry into this Second Supplemental Indenture by the Surviving Entity, the Company, Holdings and the Trustee is in all respects authorized by the provisions of the Original Indenture.

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The execution and delivery of this Second Supplemental Indenture has been authorized by resolutions of the board of directors of the Surviving Entity.

All acts and requirements necessary to make this Second Supplemental Indenture a valid agreement of the Surviving Entity, the Company, Holdings and the Trustee and a valid supplement to the Original Indenture have been done.

Each party hereto agrees as follows for the benefit of each other party and for the equal and ratable benefit of the Holders:

ARTICLE I

DEFINITIONS

Section 1.01. Definitions . Capitalized terms used in this Second Supplemental Indenture and not otherwise defined herein shall have the meanings assigned to such terms in the Original Indenture.

ARTICLE II

ASSUMPTION

Section 2.01. Successor under the Indenture . For valuable consideration, the receipt of which is hereby acknowledged, the Surviving Entity hereby agrees with the Company, Holdings, the Holders of the Securities and the Trustee that, concurrently with the execution and delivery of this Second Supplemental Indenture by the Surviving Entity and the merger of the Company with and into the Surviving Entity, the Surviving Entity shall assume all of the obligations of the Company for the purposes of the Indenture and for purposes of all amounts due and owing on the Securities outstanding under the Indenture.

Section 2.02. Rights and Obligations of the Surviving Entity . The rights and obligations of the Surviving Entity and the restrictions imposed upon it under the Indenture shall be the same in all respects as if the Surviving Entity had been named as the Company under the Original Indenture.

Section 2.03. Securities . Securities authenticated and delivered after the execution of this Second Supplemental Indenture may, and shall if required by the Trustee, bear a notation in form approved by the Trustee as to any matter provided for in this Second Supplemental Indenture.

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Section 3.02. Effectiveness of Second Supplemental Indenture . This Second Supplemental Indenture shall be effective upon (a) its execution and delivery by the parties hereto and (b) the merger of the Company with and into the Surviving Entity.

Section 3.03. Relation to Original Indenture . This Second Supplemental Indenture supplements the Indenture and shall be a part and subject to all the terms thereof. Except as supplemented hereby, all of the terms, provisions and conditions of the Indenture, the Securities and the Guarantee issued thereunder shall continue in full force and effect.

Section 3.04. Concerning the Trustee . The Trustee shall not be responsible for any recital herein (other than as they appear and as they apply to the Trustee) as such recitals shall be taken as statements of the Surviving Entity, the Company or Holdings, or the validity of the execution by the Surviving Entity, the Company or Holdings of this Second Supplemental Indenture. The Trustee makes no representations as to the validity or sufficiency of this instrument.

Section 3.05. Effect of Headings . The Article and Section headings herein are for convenience of reference only and shall not affect the construction hereof.

Section 3.06. Counterparts . This instrument may be executed in counterparts, each of which shall be deemed an original, but all of which shall together constitute one and the same instrument.

Section 3.07. Governing Law . This instrument shall be governed by and construed in accordance with the laws of the State of New York, without regard to the conflicts of laws principles thereof.

[signature pages follow]

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IN WITNESS WHEREOF, the parties hereto have caused this Second Supplemental Indenture to be duly executed as of the day and year first above written.

[ Signature Page for URNA 1.875% Convertible Senior Subordinated Notes Second Supplemental Indenture ]

[ Signature Page for URNA 1.875% Convertible Senior Subordinated Notes Second Supplemental Indenture ]

Exhibit 4.8

UR MERGER SUB CORPORATION

as the Successor Company

and

WELLS FARGO BANK, NATIONAL ASSOCIATION

as Trustee

FIRST SUPPLEMENTAL INDENTURE

Dated as of April 30, 2012

$200,000,000

10.25% Senior Notes due 2019

FIRST SUPPLEMENTAL INDENTURE

SUPPLEMENTAL INDENTURE, dated as of April 30, 2012 (this “ Supplemental Indenture ”), between UR Merger Sub Company, a corporation duly organized and existing under the laws of the State of Delaware (the “ Successor Company ”), and Wells Fargo Bank, National Association, as Trustee (the “ Trustee ”), under the Indenture referred to below.

WITNESSETH:

WHEREAS, RSC Equipment Rental, Inc. (“ RSC Equipment ”) and RSC Holdings III, LLC (“ RSC III ” and, together with RSC Equipment, the “ Predecessor Companies ”) and the Trustee have heretofore become parties to an Indenture, dated as of November 17, 2009 (the “ Indenture ”), providing for the issuance of 10.25% Senior Notes due 2019 of RSC III (the “ Notes ”);

WHEREAS, the Successor Company is the successor by merger to the Predecessor Companies pursuant to the merger of RSC Equipment with and into RSC III, with RSC III as the surviving corporation, and the merger of RSC III with and into the Successor Company, with the Successor Company as the surviving corporation, and Section 501 of the Indenture contemplates that the Successor Company will execute and deliver to the Trustee a supplemental indenture pursuant to which the Successor Company shall expressly assume all the obligations of the Predecessor Companies under the Indenture and the Notes;

WHEREAS, the Successor Company desires to enter into such supplemental indenture for good and valuable consideration; and

WHEREAS, pursuant to Section 901 of the Indenture, the parties hereto are authorized to execute and deliver this Supplemental Indenture to amend the Indenture, without the consent of any Holder;

NOW, THEREFORE, in consideration of the foregoing and for other good and valuable consideration, the receipt of which is hereby acknowledged, the Successor Company and the Trustee mutually covenant and agree for the benefit of the Holders of the Notes as follows:

1. Defined Terms . As used in this Supplemental Indenture, terms defined in the Indenture or in the preamble or recital hereto are used herein as therein defined. The words “herein,” “hereof” and “hereby” and other words of similar import used in this Supplemental Indenture refer to this Supplemental Indenture as a whole and not to any particular Section hereof.

2. Assumption . The Successor Company hereby expressly assumes and agrees promptly to pay, perform and discharge when due each and every debt, obligation, covenant and agreement incurred, made or to be paid, performed or discharged by the Predecessor Companies under the Indenture and the Notes. The Successor Company hereby agrees to be bound by all the terms, provisions and conditions of the Indenture and the Notes and agrees that it shall be the successor company and shall succeed to, and be substituted for, and may exercise every right and power of the Predecessor Companies, as the Predecessor Companies, under the Indenture and the Notes.

3. Governing Law . THIS SUPPLEMENTAL INDENTURE SHALL BE GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE STATE OF NEW YORK. THE TRUSTEE, THE SUCCESSOR COMPANY, ANY OTHER OBLIGOR IN RESPECT OF THE NOTES AND (BY THEIR ACCEPTANCE OF THE NOTES) THE HOLDERS AGREE TO SUBMIT TO THE JURISDICTION OF ANY UNITED STATES FEDERAL OR STATE COURT LOCATED IN THE BOROUGH OF MANHATTAN, IN THE CITY OF NEW YORK IN ANY ACTION OR PROCEEDING ARISING OUT OF OR RELATING TO THIS SUPPLEMENTAL INDENTURE.

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4. Ratification of Indenture; Supplemental Indenture Part of Indenture . Except as expressly amended hereby, the Indenture is in all respects ratified and confirmed and all the terms, conditions and provisions thereof shall remain in full force and effect. This Supplemental Indenture shall form a part of the Indenture for all purposes, and every Holder of Notes heretofore or hereafter authenticated and delivered shall be bound hereby. The Trustee makes no representation or warranty as to the validity or sufficiency of this Supplemental Indenture or as to the accuracy of the recitals to this Supplemental Indenture.

5. Counterparts . The parties hereto may sign one or more copies of this Supplemental Indenture in counterparts, all of which together shall constitute one and the same agreement. The exchange of copies of this Supplemental Indenture and of signature pages by facsimile or PDF transmission shall constitute effective execution and delivery of this Supplemental Indenture as to the parties hereto and may be used in lieu of the original Supplemental Indenture for all purposes. Signatures of the parties hereto transmitted by facsimile or PDF shall be deemed to be their original signatures for all purposes.

6. Headings . The Section headings herein are for convenience of reference only and shall not be deemed to alter or affect the meaning or interpretation of any provisions hereof.

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IN WITNESS WHEREOF, the parties hereto have caused this Supplemental Indenture to be duly executed as of the date first above written.

[ Signature Page to RSC 10.25% Senior Notes First Supplemental Indenture ]

Exhibit 4.9

UR MERGER SUB CORPORATION

as the Successor Company,

and

THE SUBSIDIARIES LISTED ON SCHEDULE I

as Subsidiary Guarantors,

and

WELLS FARGO BANK, NATIONAL ASSOCIATION

as Trustee

SECOND SUPPLEMENTAL INDENTURE

Dated as of April 30, 2012

$200,000,000

10.25% Senior Notes due 2019

SECOND SUPPLEMENTAL INDENTURE

SUPPLEMENTAL INDENTURE, dated as of April 30, 2012 (this “ Supplemental Indenture ”), among UR Merger Sub Corporation, a corporation duly organized and existing under the laws of the State of Delaware (the “ Successor Company ”), the companies listed on Schedule I (the “ Subsidiary Guarantors ”), and Wells Fargo Bank, National Association, as Trustee (the “ Trustee ”), under the Indenture referred to below.

WITNESSETH:

WHEREAS, RSC Equipment Rental, Inc. (“ RSC Equipment ”), RSC Holdings III, LLC (“ RSC III ” and, together with RSC Equipment, the “ Predecessor Companies ”) and the Trustee have heretofore become parties to an Indenture, dated as of November 17, 2009 (the “ Indenture ”), providing for the issuance of 10.25% Senior Notes due 2019 of RSC III (the “ Notes ”);

WHEREAS, pursuant to the First Supplemental Indenture, dated as of April 30, 2012, to the Indenture, the Successor Company as successor by merger to the Predecessor Companies expressly assumed all the obligations of the Predecessor Companies under the Indenture and the Notes;

WHEREAS, Section 1308 of the Indenture provides that the Successor Company is required to cause the Subsidiary Guarantors to execute and deliver to the Trustee a supplemental indenture pursuant to which the Subsidiary Guarantors shall guarantee the Successor Company’s Subsidiary Guaranteed Obligations under the Notes pursuant to a Subsidiary Guarantee on the terms and conditions set forth herein and in Article XIII of the Indenture;

WHEREAS, each Subsidiary Guarantor desires to enter into such supplemental indenture for good and valuable consideration, including substantial economic benefit in that the financial performance and condition of such Subsidiary Guarantor is dependent on the financial performance and condition of the Successor Company, the obligations hereunder of which such Subsidiary Guarantor has guaranteed; and

WHEREAS, pursuant to Section 901 of the Indenture, the parties hereto are authorized to execute and deliver this Supplemental Indenture to amend the Indenture, without the consent of any Holder;

NOW, THEREFORE, in consideration of the foregoing and for other good and valuable consideration, the receipt of which is hereby acknowledged, the Successor Company, the Subsidiary Guarantors and the Trustee mutually covenant and agree for the benefit of the Holders of the Notes as follows:

1. Defined Terms . As used in this Supplemental Indenture, terms defined in the Indenture or in the preamble or recital hereto are used herein as therein defined. The words “herein,” “hereof” and “hereby” and other words of similar import used in this Supplemental Indenture refer to this Supplemental Indenture as a whole and not to any particular Section hereof.

2. Agreement to Guarantee . Each Subsidiary Guarantor hereby agrees, jointly and severally with all other Subsidiary Guarantors and fully and unconditionally, to guarantee the Subsidiary Guaranteed Obligations under the Indenture and the Notes on the terms and subject to the conditions set forth in Article XIII of the Indenture and to be bound by (and shall be entitled to the benefits of) all other applicable provisions of the Indenture as a Subsidiary Guarantor.

3. Termination, Release and Discharge . Each Subsidiary Guarantor’s Subsidiary Guarantee shall terminate and be of no further force or effect, and each Subsidiary Guarantor shall be released and discharged from all obligations in respect of such Subsidiary Guarantee, as and when provided in Section 1303 of the Indenture.

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4. Parties . Nothing in this Supplemental Indenture is intended or shall be construed to give any Person, other than the Holders and the Trustee, any legal or equitable right, remedy or claim under or in respect of each Subsidiary Guarantor’s Subsidiary Guarantee or any provision contained herein or in Article XIII of the Indenture.

5. Governing Law . THIS SUPPLEMENTAL INDENTURE SHALL BE GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE STATE OF NEW YORK. THE TRUSTEE, THE SUCCESSOR COMPANY, ANY OTHER OBLIGOR IN RESPECT OF THE NOTES AND (BY THEIR ACCEPTANCE OF THE NOTES) THE HOLDERS AGREE TO SUBMIT TO THE JURISDICTION OF ANY UNITED STATES FEDERAL OR STATE COURT LOCATED IN THE BOROUGH OF MANHATTAN, IN THE CITY OF NEW YORK IN ANY ACTION OR PROCEEDING ARISING OUT OF OR RELATING TO THIS SUPPLEMENTAL INDENTURE.

6. Ratification of Indenture; Supplemental Indentures Part of Indenture . Except as expressly amended hereby, the Indenture is in all respects ratified and confirmed and all the terms, conditions and provisions thereof shall remain in full force and effect. This Supplemental Indenture shall form a part of the Indenture for all purposes, and every Holder of Notes heretofore or hereafter authenticated and delivered shall be bound hereby. The Trustee makes no representation or warranty as to the validity or sufficiency of this Supplemental Indenture or as to the accuracy of the recitals to this Supplemental Indenture.

7. Counterparts . The parties hereto may sign one or more copies of this Supplemental Indenture in counterparts, all of which together shall constitute one and the same agreement. The exchange of copies of this Supplemental Indenture and of signature pages by facsimile or PDF transmission shall constitute effective execution and delivery of this Supplemental Indenture as to the parties hereto and may be used in lieu of the original Supplemental Indenture for all purposes. Signatures of the parties hereto transmitted by facsimile or PDF shall be deemed to be their original signatures for all purposes.

8. Headings . The Section headings herein are for convenience of reference only and shall not be deemed to alter or affect the meaning or interpretation of any provisions hereof.

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IN WITNESS WHEREOF, the parties hereto have caused this Supplemental Indenture to be duly executed as of the date first above written.

[ Signature Page to 10.25% Senior Notes Second Supplemental Indenture ]

[ Signature Page to 10.25% Senior Notes Second Supplemental Indenture ]

[ Signature Page to 10.25% Senior Notes Second Supplemental Indenture ]

SCHEDULE I

SUBSIDIARY GUARANTORS

InfoManager, Inc.

United Rentals (Delaware), Inc.

United Rentals Financing Limited Partnership

United Rentals Highway Technologies Gulf, LLC

United Rentals Realty, LLC

Wynne Systems, Inc.

Exhibit 4.10

UR MERGER SUB CORPORATION

as the Successor Company

and

WELLS FARGO BANK, NATIONAL ASSOCIATION

as Trustee

FIRST SUPPLEMENTAL INDENTURE

Dated as of April 30, 2012

$650,000,000

8.25% Senior Notes due 2021

FIRST SUPPLEMENTAL INDENTURE

SUPPLEMENTAL INDENTURE, dated as of April 30, 2012 (this “ Supplemental Indenture ”), between UR Merger Sub Company, a corporation duly organized and existing under the laws of the State of Delaware (the “ Successor Company ”), and Wells Fargo Bank, National Association, as Trustee (the “ Trustee ”), under the Indenture referred to below.

WITNESSETH:

WHEREAS, RSC Equipment Rental, Inc. (“ RSC Equipment ”) and RSC Holdings III, LLC (“ RSC III ” and, together with RSC Equipment, the “ Predecessor Companies ”) and the Trustee have heretofore become parties to an Indenture, dated as of January 19, 2011 (the “ Indenture ”), providing for the issuance of 8.25% Senior Notes due 2021 of RSC III (the “ Notes ”);

WHEREAS, the Successor Company is the successor by merger to the Predecessor Companies pursuant to the merger of RSC Equipment with and into RSC III, with RSC III as the surviving corporation, and the merger of RSC III with and into the Successor Company, with the Successor Company as the surviving corporation, and Section 501 of the Indenture contemplates that the Successor Company will execute and deliver to the Trustee a supplemental indenture pursuant to which the Successor Company shall expressly assume all the obligations of the Predecessor Companies under the Indenture and the Notes;

WHEREAS, the Successor Company desires to enter into such supplemental indenture for good and valuable consideration; and

WHEREAS, pursuant to Section 901 of the Indenture, the parties hereto are authorized to execute and deliver this Supplemental Indenture to amend the Indenture, without the consent of any Holder;

NOW, THEREFORE, in consideration of the foregoing and for other good and valuable consideration, the receipt of which is hereby acknowledged, the Successor Company and the Trustee mutually covenant and agree for the benefit of the Holders of the Notes as follows:

1. Defined Terms . As used in this Supplemental Indenture, terms defined in the Indenture or in the preamble or recital hereto are used herein as therein defined. The words “herein,” “hereof” and “hereby” and other words of similar import used in this Supplemental Indenture refer to this Supplemental Indenture as a whole and not to any particular Section hereof.

2. Assumption . The Successor Company hereby expressly assumes and agrees promptly to pay, perform and discharge when due each and every debt, obligation, covenant and agreement incurred, made or to be paid, performed or discharged by the Predecessor Companies under the Indenture and the Notes. The Successor Company hereby agrees to be bound by all the terms, provisions and conditions of the Indenture and the Notes and agrees that it shall be the successor company and shall succeed to, and be substituted for, and may exercise every right and power of the Predecessor Companies, as the Predecessor Companies, under the Indenture and the Notes.

3. Governing Law . THIS SUPPLEMENTAL INDENTURE SHALL BE GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE STATE OF NEW YORK. THE TRUSTEE, THE SUCCESSOR COMPANY, ANY OTHER OBLIGOR IN RESPECT OF THE NOTES AND (BY THEIR ACCEPTANCE OF THE NOTES) THE HOLDERS AGREE TO SUBMIT TO THE JURISDICTION OF ANY UNITED STATES FEDERAL OR STATE COURT LOCATED IN THE BOROUGH OF MANHATTAN, IN THE CITY OF NEW YORK IN ANY ACTION OR PROCEEDING ARISING OUT OF OR RELATING TO THIS SUPPLEMENTAL INDENTURE.

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4. Ratification of Indenture; Supplemental Indenture Part of Indenture . Except as expressly amended hereby, the Indenture is in all respects ratified and confirmed and all the terms, conditions and provisions thereof shall remain in full force and effect. This Supplemental Indenture shall form a part of the Indenture for all purposes, and every Holder of Notes heretofore or hereafter authenticated and delivered shall be bound hereby. The Trustee makes no representation or warranty as to the validity or sufficiency of this Supplemental Indenture or as to the accuracy of the recitals to this Supplemental Indenture.

5. Counterparts . The parties hereto may sign one or more copies of this Supplemental Indenture in counterparts, all of which together shall constitute one and the same agreement. The exchange of copies of this Supplemental Indenture and of signature pages by facsimile or PDF transmission shall constitute effective execution and delivery of this Supplemental Indenture as to the parties hereto and may be used in lieu of the original Supplemental Indenture for all purposes. Signatures of the parties hereto transmitted by facsimile or PDF shall be deemed to be their original signatures for all purposes.

6. Headings . The Section headings herein are for convenience of reference only and shall not be deemed to alter or affect the meaning or interpretation of any provisions hereof.

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IN WITNESS WHEREOF, the parties hereto have caused this Supplemental Indenture to be duly executed as of the date first above written.

[ Signature Page to RSC 8.25% Senior Notes First Supplemental Indenture ]

Exhibit 4.11

UR MERGER SUB CORPORATION

as the Successor Company,

and

THE SUBSIDIARIES LISTED ON SCHEDULE I

as Subsidiary Guarantors,

and

WELLS FARGO BANK, NATIONAL ASSOCIATION

as Trustee

SECOND SUPPLEMENTAL INDENTURE

Dated as of April 30, 2012

$650,000,000

8.25% Senior Notes due 2021

SECOND SUPPLEMENTAL INDENTURE

SUPPLEMENTAL INDENTURE, dated as of April 30, 2012 (this “ Supplemental Indenture ”), among UR Merger Sub Corporation, a corporation duly organized and existing under the laws of the State of Delaware (the “ Successor Company ”), the companies listed on Schedule I (the “ Subsidiary Guarantors ”), and Wells Fargo Bank, National Association, as Trustee (the “ Trustee ”), under the Indenture referred to below.

WITNESSETH:

WHEREAS, RSC Equipment Rental, Inc. (“ RSC Equipment ”), RSC Holdings III, LLC (“ RSC III ” and, together with RSC Equipment, the “ Predecessor Companies ”) and the Trustee have heretofore become parties to an Indenture, dated as of January 19, 2011 (the “ Indenture ”), providing for the issuance of 8.25% Senior Notes due 2021 of RSC III (the “ Notes ”);

WHEREAS, pursuant to the First Supplemental Indenture, dated as of April 30, 2012, to the Indenture, the Successor Company as successor by merger to the Predecessor Companies expressly assumed all the obligations of the Predecessor Companies under the Indenture and the Notes;

WHEREAS, Section 1308 of the Indenture provides that the Successor Company is required to cause the Subsidiary Guarantors to execute and deliver to the Trustee a supplemental indenture pursuant to which the Subsidiary Guarantors shall guarantee the Successor Company’s Subsidiary Guaranteed Obligations under the Notes pursuant to a Subsidiary Guarantee on the terms and conditions set forth herein and in Article XIII of the Indenture;

WHEREAS, each Subsidiary Guarantor desires to enter into such supplemental indenture for good and valuable consideration, including substantial economic benefit in that the financial performance and condition of such Subsidiary Guarantor is dependent on the financial performance and condition of the Successor Company, the obligations hereunder of which such Subsidiary Guarantor has guaranteed; and

WHEREAS, pursuant to Section 901 of the Indenture, the parties hereto are authorized to execute and deliver this Supplemental Indenture to amend the Indenture, without the consent of any Holder;

NOW, THEREFORE, in consideration of the foregoing and for other good and valuable consideration, the receipt of which is hereby acknowledged, the Successor Company, the Subsidiary Guarantors and the Trustee mutually covenant and agree for the benefit of the Holders of the Notes as follows:

1. Defined Terms . As used in this Supplemental Indenture, terms defined in the Indenture or in the preamble or recital hereto are used herein as therein defined. The words “herein,” “hereof” and “hereby” and other words of similar import used in this Supplemental Indenture refer to this Supplemental Indenture as a whole and not to any particular Section hereof.

2. Agreement to Guarantee . Each Subsidiary Guarantor hereby agrees, jointly and severally with all other Subsidiary Guarantors and fully and unconditionally, to guarantee the Subsidiary Guaranteed Obligations under the Indenture and the Notes on the terms and subject to the conditions set forth in Article XIII of the Indenture and to be bound by (and shall be entitled to the benefits of) all other applicable provisions of the Indenture as a Subsidiary Guarantor.

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3. Termination, Release and Discharge . Each Subsidiary Guarantor’s Subsidiary Guarantee shall terminate and be of no further force or effect, and each Subsidiary Guarantor shall be released and discharged from all obligations in respect of such Subsidiary Guarantee, as and when provided in Section 1303 of the Indenture.

4. Parties . Nothing in this Supplemental Indenture is intended or shall be construed to give any Person, other than the Holders and the Trustee, any legal or equitable right, remedy or claim under or in respect of each Subsidiary Guarantor’s Subsidiary Guarantee or any provision contained herein or in Article XIII of the Indenture.

5. Governing Law . THIS SUPPLEMENTAL INDENTURE SHALL BE GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE STATE OF NEW YORK. THE TRUSTEE, THE SUCCESSOR COMPANY, ANY OTHER OBLIGOR IN RESPECT OF THE NOTES AND (BY THEIR ACCEPTANCE OF THE NOTES) THE HOLDERS AGREE TO SUBMIT TO THE JURISDICTION OF ANY UNITED STATES FEDERAL OR STATE COURT LOCATED IN THE BOROUGH OF MANHATTAN, IN THE CITY OF NEW YORK IN ANY ACTION OR PROCEEDING ARISING OUT OF OR RELATING TO THIS SUPPLEMENTAL INDENTURE.

6. Ratification of Indenture; Supplemental Indentures Part of Indenture . Except as expressly amended hereby, the Indenture is in all respects ratified and confirmed and all the terms, conditions and provisions thereof shall remain in full force and effect. This Supplemental Indenture shall form a part of the Indenture for all purposes, and every Holder of Notes heretofore or hereafter authenticated and delivered shall be bound hereby. The Trustee makes no representation or warranty as to the validity or sufficiency of this Supplemental Indenture or as to the accuracy of the recitals to this Supplemental Indenture.

7. Counterparts . The parties hereto may sign one or more copies of this Supplemental Indenture in counterparts, all of which together shall constitute one and the same agreement. The exchange of copies of this Supplemental Indenture and of signature pages by facsimile or PDF transmission shall constitute effective execution and delivery of this Supplemental Indenture as to the parties hereto and may be used in lieu of the original Supplemental Indenture for all purposes. Signatures of the parties hereto transmitted by facsimile or PDF shall be deemed to be their original signatures for all purposes.

8. Headings . The Section headings herein are for convenience of reference only and shall not be deemed to alter or affect the meaning or interpretation of any provisions hereof.

-2-

IN WITNESS WHEREOF, the parties hereto have caused this Supplemental Indenture to be duly executed as of the date first above written.

[ Signature Page to 8.25% Senior Notes Second Supplemental Indenture ]

[ Signature Page to 8.25% Senior Notes Second Supplemental Indenture ]

[ Signature Page to 8.25% Senior Notes Second Supplemental Indenture ]

SCHEDULE I

SUBSIDIARY GUARANTORS

InfoManager, Inc.

United Rentals (Delaware), Inc.

United Rentals Financing Limited Partnership

United Rentals Highway Technologies Gulf, LLC

United Rentals Realty, LLC

Wynne Systems, Inc.