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Department of Defense NAICS 541712 and PSC D399 contractors

Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology). IT AND TELECOM- OTHER IT AND TELECOMMUNICATIONS. 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 541712 · PSC D399
Last updated: April 8, 2026

Visible recipients

16

Mapped obligations

$71,252,971,557

State overlap

4

Top recipients

Visible recipients in the Department of Defense overlap of NAICS 541712 and PSC D399

Mantech Enterprise Management, Inc.

Fairfax, VA

Mantech Enterprise Management, Inc. is a federal category business profile based in Fairfax, VA. The current public data layer shows $85,431,968 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 D399.

$127,600,605

Abacus Technology Corporation

Chevy Chase, MD

Abacus Technology Corporation is a federal asian pacific american owned business profile based in Chevy Chase, MD. The current public data layer shows $54,153,079 in visible federal obligations across 113 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 517110 (Wired Telecommunications Carriers). The profile also shows meaningful product and service activity in PSC D301.

$290,407,143

Peerless Technologies Corporation

Fairborn, OH

Peerless Technologies Corporation is a federal asian pacific american owned business profile based in Fairborn, OH. The current public data layer shows $33,337,699 in visible federal obligations across 65 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.

$256,435,110

Harmonia Holdings Group, LLC

Mclean, VA

Harmonia Holdings Group, LLC is a federal category business profile based in Mclean, VA. The current public data layer shows $18,667,472 in visible federal obligations across 80 awards or transactions. Department of Agriculture appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541511 (Custom Computer Programming Services). The profile also shows meaningful product and service activity in PSC D302.

$63,385,014

Data Systems Analysts INC

Fairfax, VA

Data Systems Analysts INC is a federal category business profile based in Fairfax, VA. The current public data layer shows $14,317,128 in visible federal obligations across 12 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 D399.

$1,933,083,749

Qinetiq US Holdings, Inc.

Centreville, VA

Qinetiq US Holdings, Inc. is a federal category business profile based in Centreville, VA. The current public data layer shows $177,317 in visible federal obligations across 5 awards or transactions. Department of State appears as the strongest visible awarding agency. Top industry concentration is in NAICS 334210 (Telephone Apparatus Manufacturing). The profile also shows meaningful product and service activity in PSC 5805.

$81,606
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