Department of Defense NAICS 236220 and PSC Y1AA contractors

Commercial and Institutional Building Construction. CONSTRUCTION OF OFFICE BUILDINGS. Cross-code overlap under Department of Defense.

Department of Defense · NAICS 236220 · PSC Y1AA

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$78,831,615,441

State overlap

Top recipients

Visible recipients in the Department of Defense overlap of NAICS 236220 and PSC Y1AA

Bl Harbert International LLC

Birmingham, AL

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

$19,246,155,694

Kiewit Phelps

Omaha, NE

Omaha, NE | 1 awards | Top agency Department of Defense | NAICS 236220

$1,232,935,952

Walsh Federal LLC

Chicago, IL

Chicago, IL | 169 awards | Top agency Department of Defense | NAICS 236220

$2,491,070,299

Clark Construction Group LLC

Bethesda, MD

Bethesda, MD | 109 awards | Top agency Department of Defense | NAICS 236220

$7,890,697,650

Ecc International, LLC

Burlingame, CA

Burlingame, CA | 5 awards | Top agency Department of Defense | NAICS 236220

$411,763,418

Rq Construction, LLC

Carlsbad, CA

Carlsbad, CA | 120 awards | Top agency Department of Defense | NAICS 236220

$4,003,707,945

Gilbane Building Company

Baltimore, MD

Baltimore, MD | 5 awards | Top agency Department of Health and Human Services | NAICS 236220

$655,414,477

Clark Construction Group - California, LP

Costa Mesa, CA

Costa Mesa, CA | 17 awards | Top agency Department of Defense | NAICS 236220

$1,204,678,056

Dpr-rq Construction, LLC

Carlsbad, CA

Carlsbad, CA | 10 awards | Top agency Department of Defense | NAICS 236220

$413,150,040

Hensel Phelps Construction CO

Tysons Corner, VA

Tysons Corner, VA | 60 awards | Top agency Department of Defense | NAICS 236220

$17,232,431,854

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