Department of Defense NAICS 541715 and PSC N099 contractors

Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology). INSTALLATION OF EQUIPMENT- MISCELLANEOUS. 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 541715 · PSC N099

Last updated: April 6, 2026

Visible recipients

Mapped obligations

$982,577

State overlap

Top recipients

Visible recipients in the Department of Defense overlap of NAICS 541715 and PSC N099

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.

$982,577