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Department of Health and Human Services NAICS 541712 and PSC R499 contractors

Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology). 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 541712 · PSC R499
Last updated: April 8, 2026

Visible recipients

13

Mapped obligations

$30,432,232,619

State overlap

4

Top recipients

Visible recipients in the Department of Health and Human Services overlap of NAICS 541712 and PSC R499

Booz Allen Hamilton INC

Mclean, VA

Booz Allen Hamilton INC is a federal category business profile based in Mclean, VA. The current public data layer shows $5,575,467,868 in visible federal obligations across 3,955 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 R499.

$21,444,319,304

Battelle Memorial Institute

Richland, WA

Battelle Memorial Institute is a federal category business profile based in Richland, WA. The current public data layer shows $1,605,472,967 in visible federal obligations across 103 awards or transactions. Department of Energy 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 M181.

$2,229,545,749

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.

$580,831,024

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.

$2,072,438,106

Sev1tech, LLC

Woodbridge, VA

Sev1tech, LLC is a federal category business profile based in Woodbridge, VA. The current public data layer shows $133,265,250 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.

$434,701,530

Src INC

Syracuse, NY

Src INC is a federal category business profile based in Syracuse, NY. The current public data layer shows $104,656,859 in visible federal obligations across 271 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 334511 (Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing). The profile also shows meaningful product and service activity in PSC R425.

$469,057,804

Analytic Services Inc.

Arlington, VA

Analytic Services Inc. is a federal category business profile based in Arlington, VA. The current public data layer shows $69,503,700 in visible federal obligations across 91 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 R499.

$880,647,313

The Emmes Company, LLC

Rockville, MD

The Emmes Company, LLC is a federal category business profile based in Rockville, MD. The current public data layer shows $67,428,540 in visible federal obligations across 69 awards or transactions. Department of Health and Human Services 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 R702.

$474,594,224

Social & Scientific Systems, Inc.

Silver Spring, MD

Social & Scientific Systems, Inc. is a federal category business profile based in Silver Spring, MD. The current public data layer shows $34,734,611 in visible federal obligations across 84 awards or transactions. Department of Health and Human Services 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 AZ11.

$270,840,073

Riverside Research Institute

New York, NY

Riverside Research Institute is a federal category business profile based in New York, NY. The current public data layer shows $32,168,228 in visible federal obligations across 45 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 R499.

$876,054,343
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