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Department of the Interior NAICS 541330 and PSC R408 contractors

Engineering Services. SUPPORT- PROFESSIONAL: PROGRAM MANAGEMENT/SUPPORT. 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 R408
Last updated: April 8, 2026

Visible recipients

23

Mapped obligations

$9,348,568,394

State overlap

4

Top recipients

Visible recipients in the Department of the Interior overlap of NAICS 541330 and PSC R408

Btas INC

Beavercreek, OH

Btas INC is a federal category business profile based in Beavercreek, OH. The current public data layer shows $4,198,007 in visible federal obligations across 50 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 R707.

$169,634,498

Ares Corporation

Mclean, VA

Ares Corporation is a federal category business profile based in Mclean, VA. The current public data layer shows $1,760,163 in visible federal obligations across 16 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.

$79,955,289

Atkins North America, Inc.

Dallas, TX

Atkins North America, Inc. is a federal category business profile based in Dallas, TX. The current public data layer shows $732,372 in visible federal obligations across 8 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 C211.

$156,967,672
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