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Department of Defense NAICS 541715 and PSC R425 contractors

Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology). 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 541715 · PSC R425
Last updated: April 8, 2026

Visible recipients

59

Mapped obligations

$108,488,904,773

State overlap

4

Top recipients

Visible recipients in the Department of Defense overlap of NAICS 541715 and PSC R425

Vsolvit LLC

Henderson, NV

Vsolvit LLC is a federal category business profile based in Henderson, NV. The current public data layer shows $97,414,419 in visible federal obligations across 205 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.

$364,522,618

Ea Engineering, Science, And Technology, Inc., Pbc

Hunt Valley, MD

Ea Engineering, Science, And Technology, Inc., Pbc is a federal category business profile based in Hunt Valley, MD. The current public data layer shows $92,540,844 in visible federal obligations across 522 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 562910 (Remediation Services). The profile also shows meaningful product and service activity in PSC F999.

$178,490,370

Axient LLC

Arlington, VA

Axient LLC is a federal category business profile based in Arlington, VA. The current public data layer shows $90,520,563 in visible federal obligations across 83 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.

$1,485,260,207

Janus Research Group, LLC

Evans, GA

Janus Research Group, LLC is a federal category business profile based in Evans, GA. The current public data layer shows $76,610,451 in visible federal obligations across 103 awards or transactions. General Services Administration appears as the strongest visible awarding agency. Top industry concentration is in NAICS 611430 (Professional and Management Development Training). The profile also shows meaningful product and service activity in PSC R425.

$454,504,813

Bastion Technologies, Inc.

Houston, TX

Bastion Technologies, Inc. is a federal category business profile based in Houston, TX. The current public data layer shows $75,045,523 in visible federal obligations across 169 awards or transactions. National Aeronautics and Space Administration appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541715 (Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)). The profile also shows meaningful product and service activity in PSC AJ46.

$506,131,432

Mantech Srs Technologies, Inc.

Herndon, VA

Mantech Srs Technologies, Inc. is a federal category business profile based in Herndon, VA. The current public data layer shows $74,933,149 in visible federal obligations across 77 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.

$743,217,960

Ensco INC

Vienna, VA

Ensco INC is a federal category business profile based in Vienna, VA. The current public data layer shows $71,897,543 in visible federal obligations across 124 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 AR16.

$283,331,266

Rsi-quantitech Jv LLC

Huntsville, AL

Rsi-quantitech Jv LLC is a federal black american owned business profile based in Huntsville, AL. The current public data layer shows $67,122,124 in visible federal obligations across 33 awards or transactions. National Aeronautics and Space Administration appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541715 (Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)). The profile also shows meaningful product and service activity in PSC R425.

$429,157,848

The Mil Corporation

Bowie, MD

The Mil Corporation is a federal category business profile based in Bowie, MD. The current public data layer shows $64,677,843 in visible federal obligations across 189 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541519 (Other Computer Related Services). The profile also shows meaningful product and service activity in PSC AC65.

$230,251,877

Sentar, Inc.

Huntsville, AL

Sentar, Inc. is a federal category business profile based in Huntsville, AL. The current public data layer shows $38,191,655 in visible federal obligations across 67 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 D310.

$82,463,106
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