Tetra Tech Ec, Inc

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Tetra Tech EC Inc. (TtEC) is one of the leading providers of consulting, engineering, remediation and construction services. The company offers a range of services, such as construction, design and engineering, economic, social, and cultural resources and environmental sciences. Based in Richland, Wash., it is a subsidiary of Tetra Tech Inc. The company's projects span industrial and sediments, ports, harbors and waterways, nuclear, energy and Department of Defense. In addition, Tetra Tech EC Inc. serves federal, state, and local government agencies.