NAICS + PSC page

NAICS 238220 and PSC R499 contractors

Plumbing, Heating, and Air-Conditioning Contractors. SUPPORT- PROFESSIONAL: OTHER. Use this cross-code page to see which visible federal contractors sit in the overlap between these two public category lanes.

NAICS 238220 + PSC R499
Last updated: April 3, 2026

Visible recipients

6

Mapped obligations

$771,327,324

State overlap

0

Top recipients

Visible recipients in the NAICS 238220 and PSC R499 overlap

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.

$368,783,647

Trane U.s. Inc.

White Bear Lake, MN

Trane U.s. Inc. is a federal category business profile based in White Bear Lake, MN. The current public data layer shows $31,257,104 in visible federal obligations across 327 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541330 (Engineering Services). The profile also shows meaningful product and service activity in PSC R499.

$240,743,897

Honeywell Building Solutions Ses CORP

Minneapolis, MN

Honeywell Building Solutions Ses CORP is a federal category business profile based in Minneapolis, MN. The current public data layer shows $20,914,238 in visible federal obligations across 6 awards or transactions. General Services Administration appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541330 (Engineering Services). The profile also shows meaningful product and service activity in PSC Z2AA.

$37,919,755

Koniag Technology Solutions INC

Anchorage, AK

Koniag Technology Solutions INC is a federal alaskan native corporation owned firm profile based in Anchorage, AK. The current public data layer shows $6,573,997 in visible federal obligations across 30 awards or transactions. Social Security Administration appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541511 (Custom Computer Programming Services). The profile also shows meaningful product and service activity in PSC D399.

$119,122,695

Southland Industries

Sterling, VA

Southland Industries is a federal category business profile based in Sterling, VA. The current public data layer shows $4,836,806 in visible federal obligations across 15 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541330 (Engineering Services). The profile also shows meaningful product and service activity in PSC R425.

$701,614

Mckinstry Essention, LLC

Seattle, WA

Mckinstry Essention, LLC is a federal category business profile based in Seattle, WA. The current public data layer shows $900,972 in visible federal obligations across 5 awards or transactions. General Services Administration appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541330 (Engineering Services). The profile also shows meaningful product and service activity in PSC B540.

$4,055,716