Find my Tetra Tech Inc 401(k) plan

Tetra Tech Inc. is a leading provider of consulting, engineering, and technical services in the United States. Founded in 1966 as Tetra Design Corporation, their roots began in Pasadena, California where three friends decided to start a geotechnical engineering firm that could provide research and consulting services to clients across multiple industries. Throughout their growth they maintained an emphasis on practical solutions while also focusing on innovative approaches to challenging projects. By 1971 they had expanded into environmental sciences and renamed themselves Tetra Tech Inc., offering specialized services such as hazardous waste management and remediation. Today they are a publicly traded company (NASDAQ: TTEK) with over 18,000 employees in 500 offices worldwide serving a diverse client base ranging from federal agencies to commercial businesses. With almost fifty years of experience behind them Tetra Tech continues to strive for excellence in their commitment to providing quality technological solutions while maintaining their core values of safety, integrity, innovation and responsiveness towards all of their clients' needs.