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Department of Defense NAICS 238220 and PSC Z1AA contractors

Plumbing, Heating, and Air-Conditioning Contractors. MAINTENANCE OF OFFICE BUILDINGS. 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 238220 · PSC Z1AA
Last updated: April 8, 2026

Visible recipients

5

Mapped obligations

$832,931,933

State overlap

4

Top recipients

Visible recipients in the Department of Defense overlap of NAICS 238220 and PSC Z1AA

Emcor Government Services, INC

Alexandria, VA

Emcor Government Services, INC is a federal category business profile based in Alexandria, VA. The current public data layer shows $110,923,764 in visible federal obligations across 389 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 561210 (Facilities Support Services). The profile also shows meaningful product and service activity in PSC S216.

$437,224,620

Jones Lang Lasalle Americas, Inc.

Washington, DC

Jones Lang Lasalle Americas, Inc. is a federal category business profile based in Washington, DC. The current public data layer shows $31,315,334 in visible federal obligations across 191 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541611 (Administrative Management and General Management Consulting Services). The profile also shows meaningful product and service activity in PSC R499.

$274,709,761

Aleut O&m Services, LLC

Colorado Springs, CO

Aleut O&m Services, LLC is a federal alaskan native corporation owned firm profile based in Colorado Springs, CO. The current public data layer shows $27,208,314 in visible federal obligations across 56 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 561210 (Facilities Support Services). The profile also shows meaningful product and service activity in PSC M1AZ.

$32,334,239

Techflow Mission Support, LLC

Idaho Falls, ID

Techflow Mission Support, LLC is a federal category business profile based in Idaho Falls, ID. The current public data layer shows $13,852,158 in visible federal obligations across 51 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 561210 (Facilities Support Services). The profile also shows meaningful product and service activity in PSC S216.

$1,098,604

Abm Industries INC

New York, NY

Abm Industries INC is a federal category business profile based in New York, NY. The current public data layer shows $3,787,904 in visible federal obligations across 8 awards or transactions. General Services Administration appears as the strongest visible awarding agency. Top industry concentration is in NAICS 561210 (Facilities Support Services). The profile also shows meaningful product and service activity in PSC Z1AA.

$87,564,709