NAICS 541620 and PSC C219 contractors

Environmental Consulting Services. ARCHITECT AND ENGINEERING- GENERAL: OTHER. Cross-code contractor overlap.

NAICS 541620 + PSC C219

Last updated: April 8, 2026

Visible recipients

Mapped obligations

$4,925,410,462

State overlap

Top recipients

Visible recipients in the NAICS 541620 and PSC C219 overlap

Kleinfelder INC

Rancho Cordova, CA

Rancho Cordova, CA | 5 awards | Top agency Department of Defense | NAICS 541330

$12,809,124

Arcadis U.s., Inc.

Highlands Ranch, CO

Highlands Ranch, CO | 100 awards | Top agency Department of Defense | NAICS 541330

$228,355,097

Mantech-aecom Joint Venture

Herndon, VA

Herndon, VA | 5 awards | Top agency Department of Defense | NAICS 541620

$50,772,280

Michael Baker International Holdco Corporation

Moon Township, PA

Moon Township, PA | 5 awards | Top agency Department of Defense | NAICS 541330

$20,234,686

Stantec Consulting Services Inc.

Denver, CO

Denver, CO | 138 awards | Top agency Department of Defense | NAICS 541330

$467,816,713

Aecom International Inc.

Frankfurt Am Main

Frankfurt Am Main | 104 awards | Top agency Department of Defense | NAICS 541330

$73,130,115

Power Engineers INC

Hailey, ID

Hailey, ID | 19 awards | Top agency Department of Defense | NAICS 541330

$80,858,377

Hdr, INC

Omaha, NE

Omaha, NE | 5 awards | Top agency Department of Veterans Affairs | NAICS 541310

$998,279

Atkins North America, Inc.

Dallas, TX

Dallas, TX | 8 awards | Top agency Department of Defense | NAICS 541330

$53,656,258

Rs&h, Inc.

Merritt Island, FL

Merritt Island, FL | 21 awards | Top agency National Aeronautics and Space Administration | NAICS 541310

$43,569,774

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