Agency + NAICS page

Department of the Interior 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 Department of the Interior.

Agency: Department of the Interior
Last updated: April 8, 2026

Visible recipients

14

Mapped obligations

$73,848,393

Top PSC links

4

Top recipients

Visible recipients tied to Department of the Interior and NAICS 238220

Aleut Facilities Support Services, LLC

Colorado Springs, CO

Aleut Facilities Support Services, LLC is a federal 8a program participant profile based in Colorado Springs, CO. The current public data layer shows $478,269,761 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 561210 (Facilities Support Services). The profile also shows meaningful product and service activity in PSC S216.

$16,948,946

Abbott General Construction, Inc.

Hampton, VA

Abbott General Construction, Inc. is a federal 8a program participant profile based in Hampton, VA. The current public data layer shows $140,697,226 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 Y1AA.

$5,054,414

Akima Construction Services LLC

Herndon, VA

Akima Construction Services LLC is a federal alaskan native corporation owned firm profile based in Herndon, VA. The current public data layer shows $79,828,656 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 Y111.

$1,142,358

The Whitestone Group, Inc.

Reynoldsburg, OH

The Whitestone Group, Inc. is a federal category business profile based in Reynoldsburg, OH. The current public data layer shows $44,135,018 in visible federal obligations across 67 awards or transactions. Department of Transportation appears as the strongest visible awarding agency. Top industry concentration is in NAICS 561612 (Security Guards and Patrol Services). The profile also shows meaningful product and service activity in PSC S206.

$2,983,375

Sealaska Constructors LLC

Seattle, WA

Sealaska Constructors LLC is a federal alaskan native corporation owned firm profile based in Seattle, WA. The current public data layer shows $38,497,365 in visible federal obligations across 47 awards or transactions. Department of the Interior 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 Y1CA.

$3,734,206

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

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

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

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.

$478,853

Hensel Phelps Services LLC

Greeley, CO

Hensel Phelps Services LLC is a federal category business profile based in Greeley, CO. The current public data layer shows $3,823,806 in visible federal obligations across 8 awards or transactions. Social Security 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 Z1AA.

$16,346,253
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