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Department of the Interior NAICS 541330 and PSC R425 contractors

Engineering Services. 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 541330 · PSC R425
Last updated: April 5, 2026

Visible recipients

21

Mapped obligations

$47,786,896,263

State overlap

4

Top recipients

Visible recipients in the Department of the Interior overlap of NAICS 541330 and PSC R425

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.

$1,823,781,975
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