UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-A

FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES

PURSUANT TO SECTION 12(b) OR 12(g) OF THE

SECURITIES EXCHANGE ACT OF 1934

Securities to be registered pursuant to Section 12(b) of the Act:

If this form relates to the registration of a class of securities pursuant to Section 12(g) of the Exchange Act and is effective pursuant to General Instruction A.(d), please check the following box.  ¨

Securities Act registration statement file number to which this form relates (if applicable): N/A

Securities to be registered pursuant to Section 12(g) of the Act: N/A

Item 1.  Description of Registrant’s Securities to be Registered.

The securities to be registered hereby are the shares of common stock, par value $0.0001 per share, of Limbach Holdings, Inc. (the “Registrant”). The description of the shares of common stock set forth under the heading “Description of 1347 Capital Securities” in the Registrant’s Registration Statement on Form S-4 (File No. 333-210772), originally filed with the U.S. Securities and Exchange Commission on April 15, 2016, as thereafter amended and supplemented from time to time, is incorporated by reference herein.

Item 2.  Exhibits.

Pursuant to the Instructions as to Exhibits with respect to Form 8-A, no exhibits are required to be filed because no other securities of Registrant are registered on The NASDAQ Stock Market LLC and the securities registered hereby are not being registered pursuant to Section 12(g) of the Securities Exchange Act of 1934, as amended.

SIGNATURE

Pursuant to the requirements of Section 12 of the Securities Exchange Act of 1934, the Registrant has duly caused this registration statement to be signed on its behalf by the undersigned, thereunto duly authorized.

Date: November 15, 2016