Agency + NAICS + PSC page

Department of Defense NAICS 541990 and PSC AD93 contractors

All Other Professional, Scientific, and Technical Services. R&D- DEFENSE OTHER: OTHER (ADVANCED DEVELOPMENT). 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 541990 · PSC AD93
Last updated: April 8, 2026

Visible recipients

3

Mapped obligations

$1,065,724,986

State overlap

3

Top recipients

Visible recipients in the Department of Defense overlap of NAICS 541990 and PSC AD93

Alion Science And Technology Corporation

Chicago, IL

Alion Science And Technology Corporation is a federal category business profile based in Chicago, IL. The current public data layer shows $1,391,195,185 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 541710 (Research and Development in the Physical, Engineering, and Life Sciences). The profile also shows meaningful product and service activity in PSC AZ12.

$131,766,404

Applied Research Associates, Inc.

Albuquerque, NM

Applied Research Associates, Inc. is a federal category business profile based in Albuquerque, NM. The current public data layer shows $327,354,498 in visible federal obligations across 564 awards or transactions. Department of Defense 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.

$815,035,003

Peraton Labs INC

Basking Ridge, NJ

Peraton Labs INC is a federal category business profile based in Basking Ridge, NJ. The current public data layer shows $37,461,975 in visible federal obligations across 73 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541715 (Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)). The profile also shows meaningful product and service activity in PSC AD92.

$118,923,579