Department of the Interior NAICS 237990 contractors in Maine

Other Heavy and Civil Engineering Construction. Use this deeper state-buyer-industry page to see which visible contractors sit closest to this exact overlap in the public AwardRegistry layer.

Maine + Department of the Interior

Last updated: April 7, 2026

Visible recipients

Mapped obligations

$646,601,921

Visible recipients tied to Department of the Interior, Maine, 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