State + agency + PSC page

Department of Homeland Security PSC D399 contractors in Virginia

IT AND TELECOM- OTHER IT AND TELECOMMUNICATIONS. 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 Homeland Security
Last updated: April 6, 2026

Visible recipients

41

Mapped obligations

$57,804,607,384

Top NAICS links

4

Top recipients

Visible recipients tied to Department of Homeland Security, Virginia, and PSC D399

Booz Allen Hamilton INC

Mclean, VA

Booz Allen Hamilton INC is a federal category business profile based in Mclean, VA. The current public data layer shows $5,544,653,120 in visible federal obligations across 3,971 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 R499.

$7,735,240,133

General Dynamics Information Technology, Inc.

Falls Church, VA

General Dynamics Information Technology, Inc. is a federal category business profile based in Falls Church, VA. The current public data layer shows $4,247,568,500 in visible federal obligations across 3,214 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 D399.

$13,670,954,543

Caci, Inc. - Federal

Chantilly, VA

Caci, Inc. - Federal is a federal category business profile based in Chantilly, VA. The current public data layer shows $3,203,901,382 in visible federal obligations across 1,150 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.

$2,820,686,949

Deloitte Consulting LLP

Arlington, VA

Deloitte Consulting LLP is a federal category business profile based in Arlington, VA. The current public data layer shows $2,418,891,705 in visible federal obligations across 1,842 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 R408.

$2,610,881,289

Leidos, Inc.

Reston, VA

Leidos, Inc. is a federal category business profile based in Reston, VA. The current public data layer shows $2,338,754,223 in visible federal obligations across 9,802 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.

$9,693,894,592

Caci Premier Technology, LLC

Chantilly, VA

Caci Premier Technology, LLC is a federal category business profile based in Chantilly, VA. The current public data layer shows $1,735,863,999 in visible federal obligations across 5 awards or transactions. Office of Personnel Management appears as the strongest visible awarding agency. Top industry concentration is in NAICS 561611 (Investigation and Personal Background Check Services). The profile also shows meaningful product and service activity in PSC R422.

$191,767,901

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.

$1,223,124,970

Peraton Enterprise Solutions LLC

Chantilly, VA

Peraton Enterprise Solutions LLC is a federal category business profile based in Chantilly, VA. The current public data layer shows $829,926,286 in visible federal obligations across 419 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 D399.

$11,559,266,841

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.

$403,350,244

Acuity INC

Reston, VA

Acuity INC is a federal category business profile based in Reston, VA. The current public data layer shows $530,100,413 in visible federal obligations across 25 awards or transactions. Department of State 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 D307.

$141,132,174
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