Department of Defense PSC C1AA contractors

ARCHITECT AND ENGINEERING- CONSTRUCTION: OFFICE BUILDINGS. Contractors in this PSC lane under Department of Defense.

Agency: Department of Defense

Last updated: April 7, 2026

Visible recipients

Mapped obligations

$4,411,411,247

Visible recipients tied to Department of Defense and PSC C1AA

Bl Harbert International LLC

Birmingham, AL

Birmingham, AL | 210 awards | Top agency Department of State | NAICS 236220

$3,045,304,841

Brasfield & Gorrie LLC

Birmingham, AL

Birmingham, AL | 66 awards | Top agency General Services Administration | NAICS 236220

$517,953,637

Leidos Engineering LLC

Reston, VA

Reston, VA | 5 awards | Top agency Department of Defense | NAICS 541310

$2,388,353

Jacobs Government Services Company

Arlington, VA

Arlington, VA | 238 awards | Top agency Department of Defense | NAICS 541330

$38,555,051

Caddell Construction Co. (de), LLC

Montgomery, AL

Montgomery, AL | 67 awards | Top agency Department of State | NAICS 236220

$584,167,549

Trane U.s. Inc.

White Bear Lake, MN

White Bear Lake, MN | 324 awards | Top agency Department of Defense | NAICS 541330

$79,676,344

Hdr, INC

Omaha, NE

Omaha, NE | 5 awards | Top agency Department of Veterans Affairs | NAICS 541310

$1,191,647

Benham - Mead & Hunt

Oklahoma City, OK

Oklahoma City, OK | 29 awards | Top agency Department of Defense | NAICS 541330

$2,876,219

Aecom Services, LLC

Arlington, VA

Arlington, VA | 82 awards | Top agency Department of Defense | NAICS 541330

$9,706,252

Cb Design & Huitt Zollars Joint Venture, LLC

Alexandria, VA

Alexandria, VA | 20 awards | Top agency Department of Veterans Affairs | NAICS 541330

Page 1 of 21 2 Next

Agency profile

Loading buyer-level contractor and category paths