Agency + NAICS + PSC page

Environmental Protection Agency NAICS 541611 and PSC R408 contractors

Administrative Management and General Management Consulting Services. SUPPORT- PROFESSIONAL: PROGRAM MANAGEMENT/SUPPORT. Use this deeper buyer cross-code page to see which visible contractors sit in the overlap between these two lanes under Environmental Protection Agency.

Environmental Protection Agency · NAICS 541611 · PSC R408
Last updated: April 6, 2026

Visible recipients

5

Mapped obligations

$10,101,204,403

State overlap

3

Top recipients

Visible recipients in the Environmental Protection Agency overlap of NAICS 541611 and PSC R408

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 $270,962,546 in visible federal obligations across 1,302 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.

$3,807,226,365

Tetra Tech, Inc.

Pasadena, CA

Tetra Tech, Inc. is a federal category business profile based in Pasadena, CA. The current public data layer shows $130,835,501 in visible federal obligations across 260 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.

$593,038,538

Abt Global LLC

Cambridge, MA

Abt Global LLC is a federal category business profile based in Cambridge, MA. The current public data layer shows $18,741,318 in visible federal obligations across 45 awards or transactions. Agency for International Development 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.

$1,881,137,604

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.

$3,807,515,704

Abt Associates INC

"boston ", MA

Abt Associates INC is a federal recipient profile based in "boston ", MA. The current public data layer shows $2,255,290 in visible federal obligations across 5 awards or transactions. Agency for International Development appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541618 (Other Management Consulting Services). The profile also shows meaningful product and service activity in PSC R421.

$12,286,192