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Department of Homeland Security NAICS 541611 and PSC R408 contractors in Virginia

Administrative Management and General Management Consulting Services. SUPPORT- PROFESSIONAL: PROGRAM MANAGEMENT/SUPPORT. 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 6, 2026

Visible recipients

27

Mapped obligations

$43,706,244,160

Cross-code depth

4 filters

Top recipients

Visible recipients tied to Department of Homeland Security, Virginia, NAICS 541611, and PSC R408

Mantech Information Systems & Technology Corporation

Fairfax, VA

Mantech Information Systems & Technology Corporation is a federal category business profile based in Fairfax, VA. The current public data layer shows $165,706,223 in visible federal obligations across 5 awards or transactions. Department of Justice 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 D399.

$85,101,912

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

Guidehouse LLP

Mc Lean, VA

Guidehouse LLP is a federal category business profile based in Mc Lean, VA. The current public data layer shows $140,750,981 in visible federal obligations across 132 awards or transactions. Department of State 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.

$2,807,918,222

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

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

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

Excella, LLC

Arlington, VA

Excella, LLC is a federal category business profile based in Arlington, VA. The current public data layer shows $36,408,186 in visible federal obligations across 47 awards or transactions. Department of Homeland Security appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541519 (Other Computer Related Services). The profile also shows meaningful product and service activity in PSC DA01.

$36,005,747

Concept Plus, LLC

Fairfax, VA

Concept Plus, LLC is a federal 8a program participant profile based in Fairfax, VA. The current public data layer shows $31,091,746 in visible federal obligations across 68 awards or transactions. Department of Defense 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 DA01.

$111,130,974
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