TranSystems Corp

Founded in 1946, CH2M Hill is one of the global leaders in full-service consulting, design, design-build, operations and program management. Based in Philadelphia, Pa., the firm's work is concentrated in the areas of water, transportation, environmental, energy, power, facilities and infrastructure. It provides a number of services, such as environmental management, applied science laboratory, energy management, industrial safety and construction management. CH2M Hill has clients in the government, civil, energy and industrial sectors and is an Equal Opportunity Employer.

Founded in 1992, Advanced GeoServices offers a range of environmental, geotechnical and civil engineering services. The company provides a variety of site design, land planning, surveying, landscape architecture and municipal support services. It serves various clients in the private, public and institutional sectors. Advanced GeoServices offers a range of geosynthetic design, construction monitoring, pavement rehabilitation, foundation evaluation and remediation services. The company also provides zoning and land development, streetscape design, site lightning and wetland delineation solutions. Additionally, Advanced GeoServices specializes in stormwater management, hydraulic modeling and property surveying services. Its affiliate firm GeoServices Engineering offers a variety of landscape architecture services.

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.