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Department of Health and Human Services NAICS 541990 and PSC R499 contractors

All Other Professional, Scientific, and Technical Services. SUPPORT- PROFESSIONAL: OTHER. Use this deeper buyer cross-code page to see which visible contractors sit in the overlap between these two lanes under Department of Health and Human Services.

Department of Health and Human Services · NAICS 541990 · PSC R499
Last updated: April 8, 2026

Visible recipients

70

Mapped obligations

$33,424,245,070

State overlap

4

Top recipients

Visible recipients in the Department of Health and Human Services overlap of NAICS 541990 and PSC R499

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.

$1,434,515,758

Index Analytics LLC

Windsor Mill, MD

Index Analytics LLC is a federal 8a program participant profile based in Windsor Mill, MD. The current public data layer shows $128,318,436 in visible federal obligations across 85 awards or transactions. Department of Health and Human Services 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.

$91,389,563

Asrc Federal Technology Solutions, LLC

Reston, VA

Asrc Federal Technology Solutions, LLC is a federal 8a program participant profile based in Reston, VA. The current public data layer shows $108,760,400 in visible federal obligations across 146 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 R408.

$72,861,684

Mathematica Inc.

Princeton, NJ

Mathematica Inc. is a federal category business profile based in Princeton, NJ. The current public data layer shows $108,612,602 in visible federal obligations across 183 awards or transactions. Department of Health and Human Services appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541720 (Research and Development in the Social Sciences and Humanities). The profile also shows meaningful product and service activity in PSC R499.

$1,874,230,179

Planned Systems International INC

Columbia, MD

Planned Systems International INC is a federal asian pacific american owned business profile based in Columbia, MD. The current public data layer shows $86,857,253 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 541519 (Other Computer Related Services). The profile also shows meaningful product and service activity in PSC D399.

$342,493,806

Qlarant Integrity Solutions LLC

Easton, MD

Qlarant Integrity Solutions LLC is a federal category business profile based in Easton, MD. The current public data layer shows $84,807,227 in visible federal obligations across 24 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.

$1,752,105,085

Reli Group INC

Windsor Mill, MD

Reli Group INC is a federal 8a program participant profile based in Windsor Mill, MD. The current public data layer shows $79,433,948 in visible federal obligations across 119 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 R408.

$185,329,799

Acumen LLC

Burlingame, CA

Acumen LLC is a federal category business profile based in Burlingame, CA. The current public data layer shows $77,028,975 in visible federal obligations across 73 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.

$784,596,290

Janus Research Group, LLC

Evans, GA

Janus Research Group, LLC is a federal category business profile based in Evans, GA. The current public data layer shows $76,610,451 in visible federal obligations across 103 awards or transactions. General Services Administration appears as the strongest visible awarding agency. Top industry concentration is in NAICS 611430 (Professional and Management Development Training). The profile also shows meaningful product and service activity in PSC R425.

$108,405,882

Catapult Consultants LLC

Fredericksburg, VA

Catapult Consultants LLC is a federal category business profile based in Fredericksburg, VA. The current public data layer shows $73,414,716 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 541611 (Administrative Management and General Management Consulting Services). The profile also shows meaningful product and service activity in PSC R703.

$21,328,808
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