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Department of Health and Human Services NAICS 541620 and PSC R499 contractors

Environmental Consulting 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 541620 · PSC R499
Last updated: April 8, 2026

Visible recipients

6

Mapped obligations

$4,531,316,003

State overlap

4

Top recipients

Visible recipients in the Department of Health and Human Services overlap of NAICS 541620 and PSC R499

Icf Incorporated, L.l.c.

Reston, VA

Icf Incorporated, L.l.c. is a federal category business profile based in Reston, VA. The current public data layer shows $271,970,237 in visible federal obligations across 1,306 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.

$1,867,919,193

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.

$651,026,025

Kawerak, Inc.

Nome, AK

Kawerak, Inc. is a federal category business profile based in Nome, AK. The current public data layer shows $90,174,939 in visible federal obligations across 100 awards or transactions. Department of the Interior appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541690 (Other Scientific and Technical Consulting Services). The profile also shows meaningful product and service activity in PSC R499.

$371,788

Wsp USA Solutions INC

Arlington, VA

Wsp USA Solutions INC is a federal category business profile based in Arlington, VA. The current public data layer shows $36,524,205 in visible federal obligations across 228 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 C219.

$78,827,878

Advanced Technologies And Laboratories (atl) International, Inc.

Gaithersburg, MD

Advanced Technologies And Laboratories (atl) International, Inc. is a federal asian pacific american owned business profile based in Gaithersburg, MD. The current public data layer shows $7,100,166 in visible federal obligations across 36 awards or transactions. Department of Energy appears as the strongest visible awarding agency. Top industry concentration is in NAICS 562910 (Remediation Services). The profile also shows meaningful product and service activity in PSC M300.

$65,251,926

Icf Incorporated

Fairfax, VA

Icf Incorporated is a federal government profile based in Fairfax, VA. The current public data layer shows $5,505,384 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 541611 (Administrative Management and General Management Consulting Services). The profile also shows meaningful product and service activity in PSC R499.

$1,867,919,193