July 18, 2017

VIA EDGAR

U.S. Securities and Exchange Commission

100 F Street, N.E.

Washington, D.C. 20549

Attention: Mara L. Ransom

Re: Industrea Acquisition Corp.

Registration Statement on Form S-1

Filed June 29, 2017

File No. 333-219053

Dear Ms. Ransom:

Pursuant to Rule 461 of the General Rules and Regulations under the Securities Act of 1933, as amended (the “Act”), the undersigned, for itself and the several underwriters, hereby join in the request of Industrea Acquisition Corp. that the effective date of the above-referenced Registration Statement be accelerated so as to permit it to become effective at 4:00 p.m. Washington D.C. time on July 20, 2017, or as soon thereafter as practicable.

Pursuant to Rule 460 of the General Rules and Regulations under the Act, the undersigned advise that as of the date hereof, 139 copies of the Preliminary Prospectus dated June 29, 2017 have been distributed to prospective underwriters and dealers, institutional investors, retail investors and others.

The undersigned advises that it has complied and will continue to comply with the requirements of Rule 15c2-8 under the Securities Exchange Act of 1934, as amended.

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[signature page follows]

Very truly yours,
FBR Capital Markets & Co.,
as Representative of the Several Underwriters
By:	/s/ Patrice McNicoll
	Name: Patrice McNicoll
	Title: Managing Director

B. Riley & Co., LLC,
as Representative of the Several Underwriters
By:	/s/ Jon Merriman
	Name: Jon Merriman
	Title: Managing Director