Tetra Tech serves public and private clients by addressing fundamental needs for water, environment, infrastructure, resource management, energy, and international development services. We provide clients with technical studies, planning, engineering, design, and construction management solutions to address their needs.

Our clients vary in size and scope from small, local public agencies and private companies to national governments and large multi-national corporations. These clients come to Tetra Tech for high-caliber technical expertise, practical experience, multi-disciplinary capabilities, and the global reach needed to analyze their problems, and develop and implement the most appropriate, cost-effective solutions.