NAICS + PSC page

NAICS 237990 and PSC B510 contractors

Other Heavy and Civil Engineering Construction. SPECIAL STUDIES/ANALYSIS- ENVIRONMENTAL ASSESSMENTS. Use this cross-code page to see which visible federal contractors sit in the overlap between these two public category lanes.

NAICS 237990 + PSC B510

Last updated: April 7, 2026

Visible recipients

Mapped obligations

$2,916,226

State overlap

Top recipients

Visible recipients in the NAICS 237990 and PSC B510 overlap

Hntb Corporation

Kansas City, MO

Hntb Corporation is a federal category business profile based in Kansas City, MO. The current public data layer shows $9,125,265 in visible federal obligations across 24 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541330 (Engineering Services). The profile also shows meaningful product and service activity in PSC C211.

$2,916,226