


Richard Grubb & Associates (RGA) is an Archaeological and Historical Consulting Firm. Established in 1988, we have become one of the largest independent firms in the Mid-Atlantic and Northeast. We handle projects in the following areas: Transportation; Water, Sewer & Wastewater; Municipalities; Zooarchaeology; Private Development; Superfund, Brownfield & Hazardous Waste; Schools; Historic Tax Credits; Energy Infrastructure; and Telecommunication. For more information on any of these areas check out the Services page.
Certifications: RGA is certified as a Small, Woman Owned, Disadvantaged Business:
DBE by the New Jersey Transit (UCP)
NJ Department of Transportation (NJDOT)
Port Authority of NY and NJ
DBE by the Delaware Department of Transportation (UCP)
Delaware Transit Corporation
Sussex County, DE Dept. of Engineering
DBE by the New York Department of Transportation (UCP)
City of Philadelphia Minority Business Enterprise Council (MBEC)
WBE by the New Jersey Department of Treasury
SBE by the New Jersey Department of Treasury, Categories II and IV