Department of the Interior NAICS 237990 and PSC Y1KB contractors in Washington

Other Heavy and Civil Engineering Construction. CONSTRUCTION OF CANALS. Use this deepest state-buyer cross-code page to see which visible contractors sit in the exact overlap of buyer, geography, industry, and product-service lane.

Washington · Department of the Interior

Last updated: April 3, 2026

Visible recipients

Mapped obligations

$1,337,835,601

Cross-code depth

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Top recipients

Visible recipients tied to Department of the Interior, Washington, NAICS 237990, and PSC Y1KB

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.

$1,337,835,601