ManTech-AECOM Joint Venture

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.

Wetland Studies & Solutions offers a wide range of services, such as design, integration, implementation, field services, operations and support for very small aperture terminal networks. The company specializes in advanced satellite solutions for corporate, maritime and rural telephony networks. Located in Gainesville, Va., it offers a wide range of satellite services, including engineering and field services, program management, hardware sales and support. The company s engineering services include needs assessment, and development of design specification; installation requirements, equipment selection, hardware procurement and provisioning; project planning and integration procedures. Wetland Studies & Solutions offers full-time VSAT network monitoring, management and remediation support services.