NAICS + PSC page

NAICS 541330 and PSC AD94 contractors

Engineering Services. R&D- DEFENSE OTHER: OTHER (ENGINEERING DEVELOPMENT). Use this cross-code page to see which visible federal contractors sit in the overlap between these two public category lanes.

NAICS 541330 + PSC AD94
Last updated: April 8, 2026

Visible recipients

4

Mapped obligations

$11,693,325,625

State overlap

0

Top recipients

Visible recipients in the NAICS 541330 and PSC AD94 overlap

Northrop Grumman Ship Systems,

Pascagoula, MS

Northrop Grumman Ship Systems, is a federal category business profile based in Pascagoula, MS. The current public data layer shows $5,973,572,866 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 336611 (Ship Building and Repairing). The profile also shows meaningful product and service activity in PSC 1911.

$1,592,097,364

Ecs Federal, LLC

Fairfax, VA

Ecs Federal, LLC is a federal category business profile based in Fairfax, VA. The current public data layer shows $553,486,130 in visible federal obligations across 401 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541512 (Computer Systems Design Services). The profile also shows meaningful product and service activity in PSC R425.

$1,293,292,826

Amentum Technology, Inc.

Tullahoma, TN

Amentum Technology, Inc. is a federal category business profile based in Tullahoma, TN. The current public data layer shows $475,758,979 in visible federal obligations across 491 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.

$8,352,513,166

Astrion Group, LLC

Huntsville, AL

Astrion Group, LLC is a federal category business profile based in Huntsville, AL. The current public data layer shows $44,677,990 in visible federal obligations across 45 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 AD94.

$455,422,269