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Department of Defense NAICS 236220 and PSC Z1NA contractors

Commercial and Institutional Building Construction. MAINTENANCE OF FUEL SUPPLY FACILITIES. Use this deeper buyer cross-code page to see which visible contractors sit in the overlap between these two lanes under Department of Defense.

Department of Defense · NAICS 236220 · PSC Z1NA
Last updated: April 7, 2026

Visible recipients

3

Mapped obligations

$4,364,857,625

State overlap

3

Top recipients

Visible recipients in the Department of Defense overlap of NAICS 236220 and PSC Z1NA

Johnson Controls Federal Systems/versar, LLC

Washington, DC

Johnson Controls Federal Systems/versar, LLC is a federal category business profile based in Washington, DC. The current public data layer shows $256,765,837 in visible federal obligations across 5 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 236220 (Commercial and Institutional Building Construction). The profile also shows meaningful product and service activity in PSC Z2BD.

$268,710,421

Weston Solutions INC

West Chester, PA

Weston Solutions INC is a federal category business profile based in West Chester, PA. The current public data layer shows $169,108,559 in visible federal obligations across 378 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 236220 (Commercial and Institutional Building Construction). The profile also shows meaningful product and service activity in PSC Z2JZ.

$2,793,375,637

Aptim Federal Services, LLC

Baton Rouge, LA

Aptim Federal Services, LLC is a federal category business profile based in Baton Rouge, LA. The current public data layer shows $148,966,212 in visible federal obligations across 303 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 562910 (Remediation Services). The profile also shows meaningful product and service activity in PSC F999.

$1,302,771,567