Tetra Tech, Inc. operates primarily through two business segments: the Government Services Group (GSG) and the Commercial/International Services Group (CIG). The GSG segment primarily serves U.S. government clients and international development agencies, while the CIG segment focuses on U.S. commercial clients and international markets, including the energy, industrial, and sustainable infrastructure sectors. The company's services include early data collection and monitoring, data analysis, feasibility studies, engineering design, project management, and operations and maintenance. With a geographic footprint spanning over 100 countries and a workforce of more than 25,000 employees, Tetra Tech is a major player in environmental consulting and engineering. Its expertise is highly sought after for projects involving decarbonization, urban resilience, and regulatory compliance.
