Agency + NAICS page

Department of the Interior 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 the Interior.

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

Visible recipients

29

Mapped obligations

$9,809,389,358

Top PSC links

4

Top recipients

Visible recipients tied to Department of the Interior and NAICS 237990

Fisher Sand & Gravel CO

Tempe, AZ

Fisher Sand & Gravel CO is a federal category business profile based in Tempe, AZ. The current public data layer shows $8,575,321,644 in visible federal obligations across 30 awards or transactions. Department of Homeland Security 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 Y1PZ.

$6,392,200

Granite Construction Company

Watsonville, CA

Granite Construction Company is a federal category business profile based in Watsonville, CA. The current public data layer shows $684,943,035 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 237310 (Highway, Street, and Bridge Construction). The profile also shows meaningful product and service activity in PSC Y1LB.

$814,381,840

Watts Constructors LLC

Mc Lean, VA

Watts Constructors LLC is a federal category business profile based in Mc Lean, VA. The current public data layer shows $621,520,916 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 Y1EZ.

$98,208,457

Tetra Tech Ec, Inc.

San Diego, CA

Tetra Tech Ec, Inc. is a federal category business profile based in San Diego, CA. The current public data layer shows $418,648,162 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 562910 (Remediation Services). The profile also shows meaningful product and service activity in PSC F108.

$127,207,031

Kiewit Infrastructure West Co.

Vancouver, WA

Kiewit Infrastructure West Co. is a federal category business profile based in Vancouver, WA. The current public data layer shows $413,911,481 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 237990 (Other Heavy and Civil Engineering Construction). The profile also shows meaningful product and service activity in PSC Y1BD.

$1,011,043,616

Manson Construction CO

Seattle, WA

Manson Construction CO is a federal category business profile based in Seattle, WA. The current public data layer shows $223,706,344 in visible federal obligations across 86 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 Y1KF.

$3,907,681,425

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.

$6,840,411

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

Olgoonik Federal, LLC

Anchorage, AK

Olgoonik Federal, LLC is a federal 8a program participant profile based in Anchorage, AK. The current public data layer shows $82,183,012 in visible federal obligations across 133 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 493110 (General Warehousing and Storage). The profile also shows meaningful product and service activity in PSC S215.

$45,731,619

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.

$17,479,137
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