Department of Defense NAICS 237990 and PSC Z1KZ contractors

Other Heavy and Civil Engineering Construction. MAINTENANCE OF OTHER CONSERVATION AND DEVELOPMENT FACILITIES. Use this deeper buyer cross-code page to see which visible contractors sit in the overlap between these two lanes under Department of Defense.

Department of Defense · NAICS 237990 · PSC Z1KZ

Last updated: April 7, 2026

Visible recipients

Mapped obligations

$195,144,211

State overlap

Top recipients

Visible recipients in the Department of Defense overlap of NAICS 237990 and PSC Z1KZ

Rlb Contracting, INC

Port Lavaca, TX

Rlb Contracting, INC is a federal category business profile based in Port Lavaca, TX. The current public data layer shows $182,294,181 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 Z1KB.

$195,144,211