Agency + NAICS page

Department of Health and Human Services NAICS 541990 contractors

All Other Professional, Scientific, and Technical Services. Use this buyer-scoped industry page to see which visible contractors sit closest to this NAICS lane under Department of Health and Human Services.

Agency: Department of Health and Human Services
Last updated: April 8, 2026

Visible recipients

85

Mapped obligations

$21,677,543,178

Top PSC links

4

Top recipients

Visible recipients tied to Department of Health and Human Services and NAICS 541990

Optumserve Health Services, Inc.

La Crosse, WI

Optumserve Health Services, Inc. is a federal category business profile based in La Crosse, WI. The current public data layer shows $3,482,949,179 in visible federal obligations across 61 awards or transactions. Department of Veterans Affairs appears as the strongest visible awarding agency. Top industry concentration is in NAICS 621111 (Offices of Physicians (except Mental Health Specialists)). The profile also shows meaningful product and service activity in PSC Q403.

$29,100,187

Deloitte Consulting LLP

Arlington, VA

Deloitte Consulting LLP is a federal category business profile based in Arlington, VA. The current public data layer shows $2,409,075,725 in visible federal obligations across 1,829 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 R408.

$1,127,451,787

Caci Premier Technology, LLC

Chantilly, VA

Caci Premier Technology, LLC is a federal category business profile based in Chantilly, VA. The current public data layer shows $1,735,863,999 in visible federal obligations across 5 awards or transactions. Office of Personnel Management appears as the strongest visible awarding agency. Top industry concentration is in NAICS 561611 (Investigation and Personal Background Check Services). The profile also shows meaningful product and service activity in PSC R422.

$10,159,764

Bearingpoint, Inc.

Dallas, TX

Bearingpoint, Inc. is a federal category business profile based in Dallas, TX. The current public data layer shows $1,534,132,715 in visible federal obligations across 5 awards or transactions. Agency for International Development 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 U009.

$583,103,698

Alion Science And Technology Corporation

Chicago, IL

Alion Science And Technology Corporation is a federal category business profile based in Chicago, IL. The current public data layer shows $1,391,195,185 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 541710 (Research and Development in the Physical, Engineering, and Life Sciences). The profile also shows meaningful product and service activity in PSC AZ12.

$83,417,602

Amentum Government Services, Inc.

Chantilly, VA

Amentum Government Services, Inc. is a federal category business profile based in Chantilly, VA. The current public data layer shows $1,102,374,198 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 811118 (Other Automotive Mechanical and Electrical Repair and Maintenance). The profile also shows meaningful product and service activity in PSC J023.

$237,693,939

The Mitre Corporation

Mc Lean, VA

The Mitre Corporation is a federal category business profile based in Mc Lean, VA. The current public data layer shows $995,825,139 in visible federal obligations across 880 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 R425.

$9,981,400,087

Leidos Biomedical Research INC

Frederick, MD

Leidos Biomedical Research INC is a federal category business profile based in Frederick, MD. The current public data layer shows $651,706,968 in visible federal obligations across 237 awards or transactions. Department of Health and Human Services 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 M181.

$2,016,386

Westat, Inc.

Bethesda, MD

Westat, Inc. is a federal category business profile based in Bethesda, MD. The current public data layer shows $343,608,618 in visible federal obligations across 469 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 AN11.

$814,483,185

Cognosante Mvh LLC

Arlington, VA

Cognosante Mvh LLC is a federal category business profile based in Arlington, VA. The current public data layer shows $271,236,755 in visible federal obligations across 60 awards or transactions. Department of Veterans Affairs 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.

$36,459,384
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