Agency + PSC page

Department of Defense PSC R499 contractors

SUPPORT- PROFESSIONAL: OTHER. Use this buyer-scoped PSC page to see which visible contractors sit closest to this product or service lane under Department of Defense.

Agency: Department of Defense
Last updated: April 6, 2026

Visible recipients

155

Mapped obligations

$105,189,272,473

Top NAICS links

4

Top recipients

Visible recipients tied to Department of Defense and PSC R499

Salient Crgt, Inc.

Fairfax, VA

Salient Crgt, Inc. is a federal category business profile based in Fairfax, VA. The current public data layer shows $894,438,156 in visible federal obligations across 254 awards or transactions. General Services Administration 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.

$1,138,855,633

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.

$1,244,128,681

Kbr Wyle Services, LLC

Fulton, MD

Kbr Wyle Services, LLC is a federal category business profile based in Fulton, MD. The current public data layer shows $869,038,536 in visible federal obligations across 644 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 AZ12.

$1,734,664,404

Alutiiq International Solutions, LLC

Anchorage, AK

Alutiiq International Solutions, LLC is a federal 8a program participant profile based in Anchorage, AK. The current public data layer shows $655,714,507 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 236220 (Commercial and Institutional Building Construction). The profile also shows meaningful product and service activity in PSC Y119.

$64,705,849

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.

$38,770,483

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.

$430,464,792

Paragon Systems INC

Herndon, VA

Paragon Systems INC is a federal category business profile based in Herndon, VA. The current public data layer shows $533,359,903 in visible federal obligations across 692 awards or transactions. Department of Homeland Security appears as the strongest visible awarding agency. Top industry concentration is in NAICS 561612 (Security Guards and Patrol Services). The profile also shows meaningful product and service activity in PSC S206.

$200,444,317

Lmi Consulting, LLC

Tysons Corner, VA

Lmi Consulting, LLC is a federal category business profile based in Tysons Corner, VA. The current public data layer shows $479,183,441 in visible federal obligations across 256 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.

$937,413,327

Amentum Technology, Inc.

Tullahoma, TN

Amentum Technology, Inc. is a federal category business profile based in Tullahoma, TN. The current public data layer shows $462,213,030 in visible federal obligations across 484 awards or transactions. National Aeronautics and Space 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.

$1,232,596,845

Goldbelt Wolf, LLC

Alexandria, VA

Goldbelt Wolf, LLC is a federal 8a program participant profile based in Alexandria, VA. The current public data layer shows $417,396,253 in visible federal obligations across 5 awards or transactions. Department of Health and Human Services appears as the strongest visible awarding agency. Top industry concentration is in NAICS 332995 (Other Ordnance and Accessories Manufacturing). The profile also shows meaningful product and service activity in PSC 1010.

$50,172,198
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