Department of Defense PSC Y299 contractors

CONTRUCT/ALL OTHER NON-BLDG FACS. Contractors in this PSC lane under Department of Defense.

Agency: Department of Defense

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$2,074,264,462

Visible recipients tied to Department of Defense and PSC Y299

Walbridge Aldinger LLC

Detroit, MI

Detroit, MI | 5 awards | Top agency Department of Defense | NAICS 236220

$110,868,392

Granite Construction Company

Watsonville, CA

Watsonville, CA | 56 awards | Top agency Department of Defense | NAICS 237310

$101,353,930

Tetra Tech Ec, Inc.

San Diego, CA

San Diego, CA | 5 awards | Top agency Department of Defense | NAICS 562910

$88,126,880

The Haskell Company

Jacksonville, FL

Jacksonville, FL | 29 awards | Top agency Department of Defense | NAICS 236220

$157,711,167

Ecc International Limited Liability Company

Virginia Beach, VA

Virginia Beach, VA | 5 awards | Top agency Department of Defense | NAICS 236220

Alberici Constructors INC

Saint Louis, MO

Saint Louis, MO | 5 awards | Top agency Department of Defense | NAICS 237990

$164,433,747

Mcc Construction Corporation

Lakewood, CO

Lakewood, CO | 5 awards | Top agency General Services Administration | NAICS 236220

$9,114,500

Tohono O'odham Nation

Sells, AZ

Sells, AZ | 106 awards | Top agency Department of Health and Human Services | NAICS 237310

$24,755,163

Ahtna Government Services CORP

West Sacramento, CA

West Sacramento, CA | 5 awards | Top agency Department of Energy | NAICS 237990

$64,686,932

Sealaska Environmental Services, LLC

Juneau, AK

Juneau, AK | 20 awards | Top agency Department of Defense | NAICS 562910

$1,273,822

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