Department of Defense NAICS 541330 and PSC R405 contractors

Engineering Services. SUPPORT- PROFESSIONAL: OPERATIONS RESEARCH/QUANTITATIVE ANALYSIS. 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 541330 · PSC R405

Last updated: April 7, 2026

Visible recipients

Mapped obligations

$72,383,000

State overlap

Top recipients

Visible recipients in the Department of Defense overlap of NAICS 541330 and PSC R405

Ares Corporation

Mclean, VA

Ares Corporation is a federal category business profile based in Mclean, VA. The current public data layer shows $1,760,163 in visible federal obligations across 16 awards or transactions. National Aeronautics and Space Administration appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541712 (Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology)). The profile also shows meaningful product and service activity in PSC R425.

$72,383,000