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Department of Defense NAICS 541620 and PSC C219 contractors

Environmental Consulting Services. ARCHITECT AND ENGINEERING- GENERAL: 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 C219
Last updated: April 8, 2026

Visible recipients

21

Mapped obligations

$4,925,279,653

State overlap

4

Top recipients

Visible recipients in the Department of Defense overlap of NAICS 541620 and PSC C219

Kleinfelder INC

Rancho Cordova, CA

Kleinfelder INC is a federal category business profile based in Rancho Cordova, CA. The current public data layer shows $30,745,589 in visible federal obligations across 5 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.

$12,809,124

Arcadis U.s., Inc.

Highlands Ranch, CO

Arcadis U.s., Inc. is a federal category business profile based in Highlands Ranch, CO. The current public data layer shows $28,235,915 in visible federal obligations across 100 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 F999.

$228,355,097

Mantech-aecom Joint Venture

Herndon, VA

Mantech-aecom Joint Venture is a federal category business profile based in Herndon, VA. The current public data layer shows $25,386,140 in visible federal obligations across 5 awards or transactions. Department of Defense 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 C219.

$50,772,280

Michael Baker International Holdco Corporation

Moon Township, PA

Michael Baker International Holdco Corporation is a federal category business profile based in Moon Township, PA. The current public data layer shows $23,540,961 in visible federal obligations across 5 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.

$20,234,686

Stantec Consulting Services Inc.

Denver, CO

Stantec Consulting Services Inc. is a federal category business profile based in Denver, CO. The current public data layer shows $21,902,417 in visible federal obligations across 138 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.

$467,816,713

Aecom International Inc.

Frankfurt Am Main

Aecom International Inc. is a federal category business profile based in Frankfurt Am Main. The current public data layer shows $19,815,799 in visible federal obligations across 104 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 C212.

$73,130,115

Power Engineers INC

Hailey, ID

Power Engineers INC is a federal category business profile based in Hailey, ID. The current public data layer shows $19,792,678 in visible federal obligations across 19 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.

$80,858,377

Hdr, INC

Omaha, NE

Hdr, INC is a federal category business profile based in Omaha, NE. The current public data layer shows $11,276,362 in visible federal obligations across 5 awards or transactions. Department of Veterans Affairs appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541310 (Architectural Services). The profile also shows meaningful product and service activity in PSC C114.

$998,279

Atkins North America, Inc.

Dallas, TX

Atkins North America, Inc. is a federal category business profile based in Dallas, TX. The current public data layer shows $732,372 in visible federal obligations across 8 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.

$53,656,258

Rs&h, Inc.

Merritt Island, FL

Rs&h, Inc. is a federal category business profile based in Merritt Island, FL. The current public data layer shows $587,230 in visible federal obligations across 21 awards or transactions. National Aeronautics and Space Administration appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541310 (Architectural Services). The profile also shows meaningful product and service activity in PSC C211.

$43,569,774
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