Agency + NAICS page

General Services Administration NAICS 238220 contractors

Plumbing, Heating, and Air-Conditioning Contractors. Use this buyer-scoped industry page to see which visible contractors sit closest to this NAICS lane under General Services Administration.

Agency: General Services Administration
Last updated: April 8, 2026

Visible recipients

23

Mapped obligations

$315,710,885

Top PSC links

4

Top recipients

Visible recipients tied to General Services Administration and NAICS 238220

Messer Construction CO

Cincinnati, OH

Messer Construction CO is a federal category business profile based in Cincinnati, OH. The current public data layer shows $28,493,431 in visible federal obligations across 75 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 Y1JZ.

$11,440,057

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.

$16,245,875

Bristol Design Build Services, LLC

Anchorage, AK

Bristol Design Build Services, LLC is a federal alaskan native corporation owned firm profile based in Anchorage, AK. The current public data layer shows $23,726,411 in visible federal obligations across 35 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 Y1CZ.

$25,518,422

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.

$7,502,779

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.

$13,580

Mckinstry CO LLC

Seattle, WA

Mckinstry CO LLC is a federal category business profile based in Seattle, WA. The current public data layer shows $7,789,591 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 238220 (Plumbing, Heating, and Air-Conditioning Contractors). The profile also shows meaningful product and service activity in PSC Z2AA.

$6,812,887

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.

$770,348

Olgoonik Specialty Contractors, LLC

Colorado Springs, CO

Olgoonik Specialty Contractors, LLC is a federal alaskan native corporation owned firm profile based in Colorado Springs, CO. The current public data layer shows $3,132,019 in visible federal obligations across 32 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 Y1JZ.

$1,750,750

Agency Management Concepts INC

Oakton, VA

Agency Management Concepts INC is a federal 8a program participant profile based in Oakton, VA. The current public data layer shows $2,993,604 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 561621 (Security Systems Services (except Locksmiths)). The profile also shows meaningful product and service activity in PSC N063.

$300,311

Mckinstry Essention, LLC

Seattle, WA

Mckinstry Essention, LLC is a federal category business profile based in Seattle, WA. The current public data layer shows $1,180,873 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 B540.

$3,846
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