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Department of Defense 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 Defense.

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

Visible recipients

16

Mapped obligations

$7,316,999,548

State overlap

4

Top recipients

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

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

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

Cardinal Point Captains, Inc.

San Diego, CA

Cardinal Point Captains, Inc. is a federal category business profile based in San Diego, CA. The current public data layer shows $20,710,886 in visible federal obligations across 67 awards or transactions. Department of Commerce 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.

$22,870,844

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

Paragon Technical Services, Inc.

Hilliard, OH

Paragon Technical Services, Inc. is a federal category business profile based in Hilliard, OH. The current public data layer shows $16,565,776 in visible federal obligations across 16 awards or transactions. Department of Energy 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 R499.

$271,772,263

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
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