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Department of Defense 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 Defense.

Department of Defense · NAICS 541330 · PSC R425
Last updated: April 6, 2026

Visible recipients

94

Mapped obligations

$422,830,886,136

State overlap

4

Top recipients

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

Leidos Security Detection & Automation, Inc.

Tewksbury, MA

Leidos Security Detection & Automation, Inc. is a federal category business profile based in Tewksbury, MA. The current public data layer shows $33,267,580 in visible federal obligations across 55 awards or transactions. Department of Homeland Security appears as the strongest visible awarding agency. Top industry concentration is in NAICS 334517 (Irradiation Apparatus Manufacturing). The profile also shows meaningful product and service activity in PSC 6350.

$410,038,381

Prescient Edge Corporation

Mc Lean, VA

Prescient Edge Corporation is a federal category business profile based in Mc Lean, VA. The current public data layer shows $33,195,873 in visible federal obligations across 80 awards or transactions. General Services 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 AC33.

$16,000,544

Integral Federal, Inc.

Mc Lean, VA

Integral Federal, Inc. is a federal 8a program participant profile based in Mc Lean, VA. The current public data layer shows $32,936,928 in visible federal obligations across 74 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 333244 (Printing Machinery and Equipment Manufacturing). The profile also shows meaningful product and service activity in PSC 3610.

$246,527,014

Riverside Research Institute

New York, NY

Riverside Research Institute is a federal category business profile based in New York, NY. The current public data layer shows $31,384,228 in visible federal obligations across 44 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 R499.

$483,493,943

Redhorse Corporation

Arlington, VA

Redhorse Corporation is a federal category business profile based in Arlington, VA. The current public data layer shows $30,311,976 in visible federal obligations across 101 awards or transactions. Department of Defense 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 R499.

$115,330,194

Mantech Gray Hawk Systems, Inc.

Falls Church, VA

Mantech Gray Hawk Systems, Inc. is a federal category business profile based in Falls Church, VA. The current public data layer shows $28,570,924 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 541330 (Engineering Services). The profile also shows meaningful product and service activity in PSC R425.

$32,190,827

Vse Corporation

Miramar, FL

Vse Corporation is a federal category business profile based in Miramar, FL. The current public data layer shows $27,628,463 in visible federal obligations across 147 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 336611 (Ship Building and Repairing). The profile also shows meaningful product and service activity in PSC J998.

$613,047,460

Fedwriters, Inc.

Fairfax, VA

Fedwriters, Inc. is a federal 8a program participant profile based in Fairfax, VA. The current public data layer shows $27,437,211 in visible federal obligations across 253 awards or transactions. Department of Commerce appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541611 (Administrative Management and General Management Consulting Services). The profile also shows meaningful product and service activity in PSC R699.

$36,267,550

Bixal Solutions Incorporated

Rileyville, VA

Bixal Solutions Incorporated is a federal category business profile based in Rileyville, VA. The current public data layer shows $26,166,363 in visible federal obligations across 98 awards or transactions. Department of Health and Human Services 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 R499.

$66,524,211

Kihomac INC

Reston, VA

Kihomac INC is a federal asian pacific american owned business profile based in Reston, VA. The current public data layer shows $23,005,263 in visible federal obligations across 151 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.

$624,444,622
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