Agency + NAICS + PSC page

Department of the Interior NAICS 336411 and PSC R425 contractors

Aircraft Manufacturing. SUPPORT- PROFESSIONAL: ENGINEERING/TECHNICAL. Use this deeper buyer cross-code page to see which visible contractors sit in the overlap between these two lanes under Department of the Interior.

Department of the Interior · NAICS 336411 · PSC R425
Last updated: April 3, 2026

Visible recipients

3

Mapped obligations

$28,342,538,740

State overlap

3

Top recipients

Visible recipients in the Department of the Interior overlap of NAICS 336411 and PSC R425

General Atomics Aeronautical Systems, Inc.

Poway, CA

General Atomics Aeronautical Systems, Inc. is a federal category business profile based in Poway, CA. The current public data layer shows $1,349,256,370 in visible federal obligations across 452 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 336411 (Aircraft Manufacturing). The profile also shows meaningful product and service activity in PSC 1550.

$25,664,102,654

Booz Allen Hamilton Engineering Services, LLC

Annapolis Junction, MD

Booz Allen Hamilton Engineering Services, LLC is a federal category business profile based in Annapolis Junction, MD. The current public data layer shows -$410,371 in visible federal obligations across 11 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 R414.

$729,600,398

Northrop Grumman Technical Services, Inc.

Mclean, VA

Northrop Grumman Technical Services, Inc. is a federal category business profile based in Mclean, VA. The current public data layer shows -$1,436,690 in visible federal obligations across 26 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 488190 (Other Support Activities for Air Transportation). The profile also shows meaningful product and service activity in PSC J015.

$1,948,835,688