State + agency + NAICS + PSC page

Department of Justice NAICS 541330 and PSC R425 contractors in Virginia

Engineering Services. SUPPORT- PROFESSIONAL: ENGINEERING/TECHNICAL. Use this deepest state-buyer cross-code page to see which visible contractors sit in the exact overlap of buyer, geography, industry, and product-service lane.

Virginia · Department of Justice
Last updated: April 6, 2026

Visible recipients

10

Mapped obligations

$30,066,430,601

Cross-code depth

4 filters

Top recipients

Visible recipients tied to Department of Justice, Virginia, NAICS 541330, and PSC R425

Mantech Systems Engineering Corporation

Fairfax, VA

Mantech Systems Engineering Corporation is a federal category business profile based in Fairfax, VA. The current public data layer shows $1,150,010,370 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.

$1,578,993,148

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.

$6,028,436,353

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.

$1,460,190,296

Credence Management Solutions Limited Liability Company

Mclean, VA

Credence Management Solutions Limited Liability Company is a federal category business profile based in Mclean, VA. The current public data layer shows $240,056,157 in visible federal obligations across 222 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.

$2,756,837,698

Caci Technologies, LLC

Chantilly, VA

Caci Technologies, LLC is a federal category business profile based in Chantilly, VA. The current public data layer shows $190,345,441 in visible federal obligations across 223 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.

$15,250,990,858

Peraton Technology Services Inc.

Chantilly, VA

Peraton Technology Services Inc. is a federal category business profile based in Chantilly, VA. The current public data layer shows $163,252,765 in visible federal obligations across 275 awards or transactions. General Services Administration 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.

$1,040,722,409

Avantus Federal LLC

Mc Lean, VA

Avantus Federal LLC is a federal category business profile based in Mc Lean, VA. The current public data layer shows $158,730,910 in visible federal obligations across 95 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 R408.

$799,664,606

Siemens Government Technologies INC

Arlington, VA

Siemens Government Technologies INC is a federal category business profile based in Arlington, VA. The current public data layer shows $111,989,171 in visible federal obligations across 227 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 N059.

$986,619,066

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

Southland Industries

Sterling, VA

Southland Industries is a federal category business profile based in Sterling, VA. The current public data layer shows $4,836,806 in visible federal obligations across 15 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.

$97,451,956