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Department of the Treasury 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 the Treasury
Last updated: April 8, 2026

Visible recipients

10

Mapped obligations

$25,557,087,828

Cross-code depth

4 filters

Top recipients

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

Amentum Services, Inc.

Chantilly, VA

Amentum Services, Inc. is a federal category business profile based in Chantilly, VA. The current public data layer shows $3,024,707,746 in visible federal obligations across 1,909 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 561210 (Facilities Support Services). The profile also shows meaningful product and service activity in PSC J015.

$6,270,102,997

Caci Technologies, LLC

Chantilly, VA

Caci Technologies, LLC is a federal category business profile based in Chantilly, VA. The current public data layer shows $192,722,326 in visible federal obligations across 221 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 $162,149,325 in visible federal obligations across 259 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

Halvik, LLC

Vienna, VA

Halvik, LLC is a federal 8a program participant profile based in Vienna, VA. The current public data layer shows $157,469,966 in visible federal obligations across 202 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.

$299,337,699

American Systems Corporation

Mclean, VA

American Systems Corporation is a federal category business profile based in Mclean, VA. The current public data layer shows $147,161,687 in visible federal obligations across 295 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.

$1,514,482,107

Tyto Government Solutions INC

Reston, VA

Tyto Government Solutions INC is a federal category business profile based in Reston, VA. The current public data layer shows $33,497,365 in visible federal obligations across 88 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.

$834,348,681

Integral Federal, Inc.

Mc Lean, VA

Integral Federal, Inc. is a federal category business profile based in Mc Lean, VA. The current public data layer shows $32,946,494 in visible federal obligations across 72 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

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

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 254 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

Suvi Global Services LLC

Herndon, VA

Suvi Global Services LLC is a federal 8a program participant profile based in Herndon, VA. The current public data layer shows $23,179,377 in visible federal obligations across 70 awards or transactions. Department of Justice 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 R423.

$32,117,686