Department of Homeland Security NAICS 541990 and PSC R699 contractors in Virginia

All Other Professional, Scientific, and Technical Services. SUPPORT- ADMINISTRATIVE: OTHER. 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 Homeland Security

Last updated: April 8, 2026

Visible recipients

Mapped obligations

$1,522,904,057

Cross-code depth

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Top recipients

Visible recipients tied to Department of Homeland Security, Virginia, NAICS 541990, and PSC R699

Caci Intelligence Solutions, LLC

Herndon, VA

Caci Intelligence Solutions, LLC is a federal category business profile based in Herndon, VA. The current public data layer shows $622,902,744 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 541990 (All Other Professional, Scientific, and Technical Services). The profile also shows meaningful product and service activity in PSC R423.

$398,967,454

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.

$358,547,432

Axient LLC

Arlington, VA

Axient LLC is a federal category business profile based in Arlington, VA. The current public data layer shows $90,520,563 in visible federal obligations across 83 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.

$183,781,395

Akima Systems Engineering LLC

Herndon, VA

Akima Systems Engineering LLC is a federal 8a program participant profile based in Herndon, VA. The current public data layer shows $76,312,079 in visible federal obligations across 232 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.

$44,914,603

Chenega Enterprise Systems & Solutions, LLC

Chesapeake, VA

Chenega Enterprise Systems & Solutions, LLC is a federal 8a program participant profile based in Chesapeake, VA. The current public data layer shows $51,792,787 in visible federal obligations across 188 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.

$101,912,329

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.

$41,100,534

Bowhead Mission Solutions, LLC

Springfield, VA

Bowhead Mission Solutions, LLC is a federal 8a program participant profile based in Springfield, VA. The current public data layer shows $21,299,320 in visible federal obligations across 50 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 R425.

$41,803,472

Knowesis, Inc.

Fairfax, VA

Knowesis, Inc. is a federal 8a program participant profile based in Fairfax, VA. The current public data layer shows $8,389,178 in visible federal obligations across 39 awards or transactions. Department of Defense 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.

$129,448,080

Aveshka, Inc.

Vienna, VA

Aveshka, Inc. is a federal category business profile based in Vienna, VA. The current public data layer shows $6,937,419 in visible federal obligations across 62 awards or transactions. Department of Health and Human Services 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 R699.

$178,390,120

Venesco LLC

Chantilly, VA

Venesco LLC is a federal 8a program participant profile based in Chantilly, VA. The current public data layer shows $6,566,861 in visible federal obligations across 64 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.

$44,038,638

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