Department of the Interior NAICS 237110 contractors in Washington

Water and Sewer Line and Related Structures Construction. Use this deeper state-buyer-industry page to see which visible contractors sit closest to this exact overlap in the public AwardRegistry layer.

Washington + Department of the Interior

Last updated: April 3, 2026

Visible recipients

Mapped obligations

$67,124,415

Visible recipients tied to Department of the Interior, Washington, and NAICS 237110

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.

$67,124,415