Department of the Interior NAICS 238220 and PSC AJ11 contractors

Plumbing, Heating, and Air-Conditioning Contractors. GENERAL SCIENCE AND TECHNOLOGY R&D SERVICES; GENERAL SCIENCE AND TECHNOLOGY; BASIC RESEARCH. Use this deeper buyer cross-code page to see which visible contractors sit in the overlap between these two lanes under Department of the Interior.

Department of the Interior · NAICS 238220 · PSC AJ11

Last updated: April 6, 2026

Visible recipients

Mapped obligations

$878,853

State overlap

Top recipients

Visible recipients in the Department of the Interior overlap of NAICS 238220 and PSC AJ11

Southland Industries

Sterling, VA

Southland Industries is a federal category business profile based in Sterling, VA. The current public data layer shows $4,836,806 in visible federal obligations across 15 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 R425.

$878,853