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Environmental Research Group, LLC (ERG) is an 8(a) certified, service-disabled veteran-owned (SDVO), economically disadvantaged woman-owned (EDWO) small business (SB).

DOT MBE/DBE certified

ERG is a small business (SB) under the following NAICS Codes:


Primary: 541620








DUNS: 141876594

CAGE Code: 1P0W9








ERG’s reputation for providing solution-based, high-quality services has made us a leader for environmental consulting services.


We have served as prime contractor on approximately 20 contracts with U.S. Army Corps of Engineers Districts , as well as tasks located outside of the U.S. (OCONUS), spanning ten foreign countries (Spain, Brazil, Chile, Australia, New Zealand, South Africa, India, Norway, Japan, and Antarctica).


ERG’s highly specialized staff has had the honor of providing expertise to environmental and planning projects worldwide.



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U.S. Army Corps of Engineers Districts: Baltimore, Fort Worth, Kansas City, Mobile, New England, New Orleans, Norfolk, Omaha, Savannah and Tulsa.

Department of Defense

10 US Army Corps of Engineers Districts

6 Commands (Army, Navy, Marine Corps)

US Army Reserve facilities in 19 states

40 US Army and US Air Force installations

11 US Navy facilities

2 Joint Bases

23 US Marine Corps installations

2 US Army National Guard states

US Department of Veteran Affairs

Federal Emergency Management Agency (FEMA)

National Oceanic and Atmospheric Administration (NOAA)

Confidential Federal Client

US Fish and Wildlife Service

Maryland Department of Transportation

Commonwealth of Virginia Department of Transportation

Florida Department of Transportation

Commonwealth of Kentucky Transportation Cabinet

Tennessee Department of Transportation

Federal Highway Administration, Department of Transportation

30 Commercial partner firms