Agency + NAICS + PSC page

Department of Defense 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 Defense.

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

Visible recipients

14

Mapped obligations

$121,400,184,949

State overlap

4

Top recipients

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

Kihomac INC

Reston, VA

Kihomac INC is a federal asian pacific american owned business profile based in Reston, VA. The current public data layer shows $23,005,263 in visible federal obligations across 151 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.

$314,319,584

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.

$88,640,082

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
Page 2 of 2Prev12