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Department of Homeland Security 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 Homeland Security.

Department of Homeland Security · NAICS 541620 · PSC R499
Last updated: April 8, 2026

Visible recipients

8

Mapped obligations

$2,070,259,702

State overlap

4

Top recipients

Visible recipients in the Department of Homeland Security overlap of NAICS 541620 and PSC R499

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

Nv5 Geospatial, Inc.

Saint Petersburg, FL

Nv5 Geospatial, Inc. is a federal category business profile based in Saint Petersburg, FL. The current public data layer shows $90,434,064 in visible federal obligations across 132 awards or transactions. Department of the Interior appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541360 (Geophysical Surveying and Mapping Services). The profile also shows meaningful product and service activity in PSC C219.

$41,228,171

Wsp USA Environment & Infrastructure Inc.

Blue Bell, PA

Wsp USA Environment & Infrastructure Inc. is a federal category business profile based in Blue Bell, PA. The current public data layer shows $75,668,109 in visible federal obligations across 309 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 236220 (Commercial and Institutional Building Construction). The profile also shows meaningful product and service activity in PSC Z2NA.

$330,345,529

Hdr Environmental, Operations And Construction, Inc.

Englewood, CO

Hdr Environmental, Operations And Construction, Inc. is a federal category business profile based in Englewood, CO. The current public data layer shows $59,678,442 in visible federal obligations across 109 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 C211.

$209,951,141

Redhorse Corporation

Arlington, VA

Redhorse Corporation is a federal category business profile based in Arlington, VA. The current public data layer shows $30,311,976 in visible federal obligations across 101 awards or transactions. Department of Defense 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 R499.

$286,714,666

The Cadmus Group LLC

Arlington, VA

The Cadmus Group LLC is a federal category business profile based in Arlington, VA. The current public data layer shows $26,069,830 in visible federal obligations across 289 awards or transactions. Environmental Protection Agency appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541620 (Environmental Consulting Services). The profile also shows meaningful product and service activity in PSC R499.

$482,671,831

Ahtna Professional Services, Inc.

Anchorage, AK

Ahtna Professional Services, Inc. is a federal 8a program participant profile based in Anchorage, AK. The current public data layer shows $17,309,386 in visible federal obligations across 23 awards or transactions. Department of Homeland Security appears as the strongest visible awarding agency. Top industry concentration is in NAICS 561612 (Security Guards and Patrol Services). The profile also shows meaningful product and service activity in PSC S206.

$3,070,413

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