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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

Center For Applied Research Solutions Cars

Santa Rosa, CA

Center For Applied Research Solutions Cars is a federal category business profile based in Santa Rosa, CA. The current public data layer shows $40,138,407 in visible federal obligations across 5 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 R425.

$16,778,853

Digital Infuzion, LLC

Rockville, MD

Digital Infuzion, LLC is a federal category business profile based in Rockville, MD. The current public data layer shows $36,925,179 in visible federal obligations across 42 awards or transactions. Department of Health and Human Services 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 D399.

$49,937,027

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.

$216,511,106

Prometheus Federal Services LLC

Chantilly, VA

Prometheus Federal Services LLC is a federal category business profile based in Chantilly, VA. The current public data layer shows $33,302,245 in visible federal obligations across 95 awards or transactions. Department of Veterans Affairs appears as the strongest visible awarding agency. Top industry concentration is in NAICS 561320 (Temporary Help Services). The profile also shows meaningful product and service activity in PSC R499.

$23,310,488

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.

$784,199,496

Lcg Systems LLC

Rockville, MD

Lcg Systems LLC is a federal black american owned business profile based in Rockville, MD. The current public data layer shows $31,956,062 in visible federal obligations across 40 awards or transactions. Department of Health and Human Services 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 D399.

$90,269,218

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 66 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.

$48,183,204

Digital Management LLC

Mc Lean, VA

Digital Management LLC is a federal category business profile based in Mc Lean, VA. The current public data layer shows $28,802,248 in visible federal obligations across 73 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 D399.

$204,894,604

Bixal Solutions Incorporated

Rileyville, VA

Bixal Solutions Incorporated is a federal category business profile based in Rileyville, VA. The current public data layer shows $26,166,363 in visible federal obligations across 98 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 R499.

$110,190,772

Chenega Professional & Technical Services LLC

Chesapeake, VA

Chenega Professional & Technical Services LLC is a federal 8a program participant profile based in Chesapeake, VA. The current public data layer shows $25,255,069 in visible federal obligations across 75 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 R499.

$164,961,987
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