Tetra Tech, Inc., based in the United States, offers ESG consulting and engineering services for various markets including environmental, infrastructure, resource management, and energy. Specializing in water-related services, Tetra Tech handles complex projects in infrastructure design and resource management. The company, with a low-risk ESG score of 14.1, operates through two reportable segments - Government Services Group (GSG) serving U.S. government and development agencies, and Commercial/International Services Group (CIG) serving commercial and international clients.