Department of Transportation NAICS 237110 and PSC Y1KZ contractors in Washington

Water and Sewer Line and Related Structures Construction. CONSTRUCTION OF OTHER CONSERVATION AND DEVELOPMENT FACILITIES. 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 Transportation

Last updated: April 3, 2026

Visible recipients

Mapped obligations

$516,969,230

Cross-code depth

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Top recipients

Visible recipients tied to Department of Transportation, Washington, NAICS 237110, and PSC Y1KZ

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.

$516,969,230