Agency + NAICS + PSC page

General Services Administration NAICS 541330 and PSC AD93 contractors

Engineering 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 General Services Administration.

General Services Administration · NAICS 541330 · PSC AD93
Last updated: April 8, 2026

Visible recipients

6

Mapped obligations

$10,862,098,209

State overlap

4

Top recipients

Visible recipients in the General Services Administration overlap of NAICS 541330 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.

$148,374,038

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.

$1,399,535,128

Bae Systems Information & Electronic Systems Integration INC

Hudson, NH

Bae Systems Information & Electronic Systems Integration INC is a federal category business profile based in Hudson, NH. The current public data layer shows $325,174,437 in visible federal obligations across 24 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 336414 (Guided Missile and Space Vehicle Manufacturing). The profile also shows meaningful product and service activity in PSC 1420.

$339,350,416

Caci Technologies, LLC

Chantilly, VA

Caci Technologies, LLC is a federal category business profile based in Chantilly, VA. The current public data layer shows $192,722,326 in visible federal obligations across 221 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.

$8,341,176,076

Radiance Technologies INC

Huntsville, AL

Radiance Technologies INC is a federal category business profile based in Huntsville, AL. The current public data layer shows $102,658,357 in visible federal obligations across 164 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 AC23.

$556,881,692

Trideum Corporation

Huntsville, AL

Trideum Corporation is a federal category business profile based in Huntsville, AL. The current public data layer shows $19,305,027 in visible federal obligations across 59 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.

$76,780,859