Agency + NAICS + PSC page

Department of Defense NAICS 541710 and PSC R425 contractors

Research and Development in the Physical, Engineering, and Life Sciences. 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 541710 · PSC R425
Last updated: April 8, 2026

Visible recipients

24

Mapped obligations

$34,173,313,882

State overlap

4

Top recipients

Visible recipients in the Department of Defense overlap of NAICS 541710 and PSC R425

Abbott On Call, Inc.

Vienna, VA

Abbott On Call, Inc. is a federal category business profile based in Vienna, VA. The current public data layer shows $2,793,351 in visible federal obligations across 22 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.

$32,041,166

Peraton Aerospace & Defense Inc.

Huntsville, AL

Peraton Aerospace & Defense Inc. is a federal category business profile based in Huntsville, AL. The current public data layer shows $1,359,998 in visible federal obligations across 34 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541710 (Research and Development in the Physical, Engineering, and Life Sciences). The profile also shows meaningful product and service activity in PSC R425.

$666,794,441

Odyssey Systems

Richmond, VA

Odyssey Systems is a federal category business profile based in Richmond, VA. The current public data layer shows $1,000 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 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.

$1,720,582,966

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.

$633,989,222
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