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

Christman Company, The

Lansing, MI

Lansing, MI | 14 awards | Top agency General Services Administration | NAICS 236220

$460,842,639

Olgoonik Specialty Contractors, LLC

Colorado Springs, CO

Colorado Springs, CO | 32 awards | Top agency Department of Defense | NAICS 236220

$348,730,348

Ryan Companies US INC

Minneapolis, MN

Minneapolis, MN | 5 awards | Top agency General Services Administration | NAICS 236220

$567,305,174

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