Golder Associates

Gilmore & Associates has provided professional technical services to southeastern Pennsylvania since 1918. The company has also expanded its service to central New Jersey. Gilmore & Associates provides engineering and consulting services from its five offices in Pennsylvania and one in New Jersey. The company provides survey services, such as wave- and code-based global positioning surveys, boundary and topographical surveys; site and civil engineering, which includes subdivision and land development design, site planning and feasibility studies; construction services, including contract administration, bid procurement, scheduling and materials testing; and environmental services, such as site characterizations and environmental site assessments. In addition, Gilmore & Associates also provides geotechnical, landscape architecture, municipal engineering and planning, traffic and transportation, waste and wastewater services.

EarthRes Group Inc. is an engineering and consulting firm providing services to private and public clients. It caters with a range of services that include solid waste management, landfill gas and gas-to-energy services, geology/hydrogeology, wastewater treatment, compliance management systems and construction management assistance, to name a few. The firm serves various sectors, such as industrial, mining, solid waste and commercial. It also specializes in working with federal, state and local agencies, municipal sewer, zoning/planning commission authorities and regional agencies throughout the United States.

With more than 15 offices throughout the United States, Tetra Tech NUS provides environmental consulting and engineering, remediation, construction and information technology services to government and commercial clients. It offers air quality, regulatory compliance, environmental analysis, planning, hazardous waste management, nuclear plant licensing and risk assessment solutions. The company also specializes in the water and wastewater treatment services. Tetra Tech NUS is a subsidiary of Tetra Tech, which is one of the world s leading companies that provides consulting, engineering and technical services. Founded in 1996, the parent company maintains a staff of over 10,000 employees. It offers solutions for waterways, harbors and coastal areas. Tetra Tech operates various subsidiaries, including Tetra Tech FC, Tetra Tech International and Tetra Tech International.