Agency + NAICS page

Department of Homeland Security NAICS 237990 contractors

Other Heavy and Civil Engineering Construction. Use this buyer-scoped industry page to see which visible contractors sit closest to this NAICS lane under Department of Homeland Security.

Agency: Department of Homeland Security
Last updated: April 8, 2026

Visible recipients

25

Mapped obligations

$6,912,469,562

Top PSC links

4

Top recipients

Visible recipients tied to Department of Homeland Security and NAICS 237990

Cianbro Corporation

Pittsfield, ME

Cianbro Corporation is a federal category business profile based in Pittsfield, ME. The current public data layer shows $103,751,152 in visible federal obligations across 16 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 237990 (Other Heavy and Civil Engineering Construction). The profile also shows meaningful product and service activity in PSC Z2ED.

$646,601,921

Marcon Engineering, INC

Escondido, CA

Marcon Engineering, INC is a federal category business profile based in Escondido, CA. The current public data layer shows $64,752,480 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 Z299.

$12,538,516

Olgoonik Enterprises, LLC

Colorado Springs, CO

Olgoonik Enterprises, LLC is a federal 8a program participant profile based in Colorado Springs, CO. The current public data layer shows $58,676,139 in visible federal obligations across 295 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.

$21,903,455

Ahtna Infrastructure & Technologies LLC

Anchorage, AK

Ahtna Infrastructure & Technologies LLC is a federal 8a program participant profile based in Anchorage, AK. The current public data layer shows $46,084,407 in visible federal obligations across 70 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.

$20,818,765

Cdm Constructors Inc.

Boston, MA

Cdm Constructors Inc. is a federal category business profile based in Boston, MA. The current public data layer shows $43,166,535 in visible federal obligations across 31 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 237110 (Water and Sewer Line and Related Structures Construction). The profile also shows meaningful product and service activity in PSC Y1NE.

$102,839,751

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.

$24,422,196

Gilbane Federal

Concord, CA

Gilbane Federal is a federal category business profile based in Concord, CA. The current public data layer shows $33,832,334 in visible federal obligations across 58 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 Y1AZ.

$119,666,188

Doyon Management Services, LLC

Federal Way, WA

Doyon Management Services, LLC is a federal 8a program participant profile based in Federal Way, WA. The current public data layer shows $30,020,172 in visible federal obligations across 68 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.

$5,992,056

Harkins Builders, Inc.

Columbia, MD

Harkins Builders, Inc. is a federal category business profile based in Columbia, MD. The current public data layer shows $22,700,634 in visible federal obligations across 7 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 Y199.

$22,382,577

Pacific Tech Construction INC

Kelso, WA

Pacific Tech Construction INC is a federal category business profile based in Kelso, WA. The current public data layer shows $7,425,224 in visible federal obligations across 130 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 238160 (Roofing Contractors). The profile also shows meaningful product and service activity in PSC Y1JZ.

$2,095,439
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