State + agency + PSC page

Department of Defense PSC R425 contractors in Virginia

SUPPORT- PROFESSIONAL: ENGINEERING/TECHNICAL. Use this deeper state-buyer-PSC page to see which visible contractors sit closest to this exact overlap in the public AwardRegistry layer.

Virginia + Department of Defense
Last updated: April 6, 2026

Visible recipients

49

Mapped obligations

$83,837,827,998

Top NAICS links

4

Top recipients

Visible recipients tied to Department of Defense, Virginia, and PSC R425

The Mitre Corporation

Mc Lean, VA

The Mitre Corporation is a federal category business profile based in Mc Lean, VA. The current public data layer shows $1,009,377,139 in visible federal obligations across 877 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541990 (All Other Professional, Scientific, and Technical Services). The profile also shows meaningful product and service activity in PSC R425.

$7,099,782,993

Serco INC

Herndon, VA

Serco INC is a federal category business profile based in Herndon, VA. The current public data layer shows $1,006,141,546 in visible federal obligations across 1,029 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 R499.

$972,056,177

Parsons Government Services Inc.

Centreville, VA

Parsons Government Services Inc. is a federal category business profile based in Centreville, VA. The current public data layer shows $927,567,231 in visible federal obligations across 601 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.

$3,715,151,734

Mantech Advanced Systems International, Inc.

Herndon, VA

Mantech Advanced Systems International, Inc. is a federal category business profile based in Herndon, VA. The current public data layer shows $879,999,975 in visible federal obligations across 686 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.

$2,627,302,778

Ecs Federal, LLC

Fairfax, VA

Ecs Federal, LLC is a federal category business profile based in Fairfax, VA. The current public data layer shows $553,440,366 in visible federal obligations across 405 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541512 (Computer Systems Design Services). The profile also shows meaningful product and service activity in PSC R425.

$565,125,939

Modern Technology Solutions, Inc.

Alexandria, VA

Modern Technology Solutions, Inc. is a federal category business profile based in Alexandria, VA. The current public data layer shows $429,818,638 in visible federal obligations across 288 awards or transactions. General Services 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.

$480,259,261

Caci Nss, LLC

Reston, VA

Caci Nss, LLC is a federal category business profile based in Reston, VA. The current public data layer shows $342,571,801 in visible federal obligations across 110 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 R499.

$957,858,855

Systems Planning And Analysis, Inc.

Alexandria, VA

Systems Planning And Analysis, Inc. is a federal category business profile based in Alexandria, VA. The current public data layer shows $305,176,232 in visible federal obligations across 242 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.

$888,109,866

Icf Incorporated, L.l.c.

Reston, VA

Icf Incorporated, L.l.c. is a federal category business profile based in Reston, VA. The current public data layer shows $270,962,546 in visible federal obligations across 1,302 awards or transactions. Department of Health and Human Services 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 R499.

$221,088,763

Noblis, Inc.

Reston, VA

Noblis, Inc. is a federal category business profile based in Reston, VA. The current public data layer shows $262,597,651 in visible federal obligations across 376 awards or transactions. Department of Transportation 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.

$961,141,840
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