ADR & Associates, founded in 1997, is an engineering firm specializing in design-build services. Its services include civil, municipal, structural, traffic, transportation and aviation engineering. It also provides environmental services, stormwater management, geotechnical services, land surveying and planning, and construction management. Its additional services include client information hosting, hydrology, geographical information system services, and handling of freshwater and wastewater systems. ADR serves a broad range of clients, including municipalities, architects, county engineers, the Ohio Department of Natural Resources, schools, universities, rural water and sewer districts, corporations, industrial, parks, and recreation departments. The firm is licensed in Ohio, West Virginia and North Carolina. ADR & Associates has offices in Medina, Westerville, Newark and Marietta, Ohio, and Goldsboro, N.C.