NAICS 237990 contractors in GU

Other Heavy and Civil Engineering Construction. Use this state-scoped industry page to see which visible federal contractors carry the clearest footprint in this NAICS lane inside GU.

State: GU

Last updated: April 7, 2026

Visible recipients

Mapped obligations

$319,243,776

Buyer overlap

Top recipients

Visible recipients tied to NAICS 237990 in GU

Black Construction Corporation

Harmon, GU

Black Construction Corporation is a federal category business profile based in Harmon, GU. The current public data layer shows $9,904,901 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 237990 (Other Heavy and Civil Engineering Construction). The profile also shows meaningful product and service activity in PSC Y1FA.

$319,243,776