Tetra Tech EM Inc.
Tetra Tech EM, a subsidiary of Tetra Tech, provides environmental engineering and consulting services to government and commercial customers. Environmental consulting areas of expertise include site cleanup and restoration, hazardous waste management, air quality, water resources, regulatory permits and compliance, natural resources management, energy management, and environmental management systems. The company, which was established in 1982, also offers management consulting services such as strategic planning and analysis, graphic and production services, communication and conference facilitation, and information management.