May 23, 2017

VIA EDGAR AND ELECTRONIC MAIL

United States Securities and Exchange Commission

Division of Corporation Finance

100 F Street, N.E.

Washington, D.C. 20549

Re:                          AECOM
Registration Statement on Form S-4 (File No. 333-217899)

Ladies and Gentlemen:

This letter is sent on behalf of AECOM (the “Company”) in connection with the above-referenced Registration Statement on Form S-4 (File No. 333-217899) (the “Registration Statement”) filed with the Securities and Exchange Commission (the “Commission”) by the Company and the other registrants referenced therein (the “Co-Registrants”) pursuant to the Securities Act of 1933, as amended (the “Securities Act”).  Pursuant to Rule 461 promulgated under the Securities Act, the Company and the Co-Registrants hereby respectfully request that the effective time of the Registration Statement be accelerated to 4:30 p.m., Eastern Time, on May 25, 2017 or as soon thereafter as practicable.

Should you have any questions regarding this request, please contact Peter Wardle of Gibson, Dunn & Crutcher LLP at (213) 229-7242.

cc:                              Peter Wardle, Gibson, Dunn & Crutcher LLP