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General Services Administration NAICS 541611 and PSC R408 contractors

Administrative Management and General Management Consulting Services. SUPPORT- PROFESSIONAL: PROGRAM MANAGEMENT/SUPPORT. Use this deeper buyer cross-code page to see which visible contractors sit in the overlap between these two lanes under General Services Administration.

General Services Administration · NAICS 541611 · PSC R408
Last updated: April 6, 2026

Visible recipients

38

Mapped obligations

$46,189,922,630

State overlap

4

Top recipients

Visible recipients in the General Services Administration overlap of NAICS 541611 and PSC R408

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.

$629,145,894

Sev1tech, LLC

Woodbridge, VA

Sev1tech, LLC is a federal category business profile based in Woodbridge, VA. The current public data layer shows $134,333,750 in visible federal obligations across 225 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 R425.

$164,065,301

Mantech Srs Technologies, Inc.

Herndon, VA

Mantech Srs Technologies, Inc. is a federal category business profile based in Herndon, VA. The current public data layer shows $74,933,149 in visible federal obligations across 78 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.

$728,333,969

Cognosante, LLC

Arlington, VA

Cognosante, LLC is a federal category business profile based in Arlington, VA. The current public data layer shows $74,560,353 in visible federal obligations across 48 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.

$807,607,221

Calibre Systems INC

Alexandria, VA

Calibre Systems INC is a federal category business profile based in Alexandria, VA. The current public data layer shows $70,786,019 in visible federal obligations across 129 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 R499.

$806,093,168

Brillient Corporation

Reston, VA

Brillient Corporation is a federal category business profile based in Reston, VA. The current public data layer shows $70,430,051 in visible federal obligations across 55 awards or transactions. Department of Homeland Security 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 R699.

$276,896,816

Imagine One Technology & Management LTD

Lexington Park, MD

Imagine One Technology & Management LTD is a federal category business profile based in Lexington Park, MD. The current public data layer shows $64,402,106 in visible federal obligations across 49 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 D306.

$96,630,792

Sehlke Consulting LLC

Vienna, VA

Sehlke Consulting LLC is a federal category business profile based in Vienna, VA. The current public data layer shows $42,854,613 in visible federal obligations across 80 awards or transactions. General Services Administration 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.

$117,159,198

Goldbelt C6, LLC

Chesapeake, VA

Goldbelt C6, LLC is a federal 8a program participant profile based in Chesapeake, VA. The current public data layer shows $41,298,630 in visible federal obligations across 338 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 R499.

$120,194,926

Goldbelt Glacier Health Services, LLC

Herndon, VA

Goldbelt Glacier Health Services, LLC is a federal 8a program participant profile based in Herndon, VA. The current public data layer shows $34,694,720 in visible federal obligations across 69 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 Q201.

$128,875,988
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