Post by Tetra Tech

Engineering News-Record (ENR) has recognized Tetra Tech with #1 rankings in its “Top 200 Environmental Firms” and “Top 100 Green Design Firms and Contractors” issues. Our rankings include: #1 in Environmental Management (17th year in a row) #1 in Environmental Science #1 in Government Offices for Top Green Design Firms Tetra Tech also holds the top spot in these 2025 ENR Sourcebook categories: #1 in Water Treatment/Desalination #1 in Hazardous Waste #1 in Asbestos and Lead Abatement #1 in Site Assessment and Compliance #1 in Hydro Plants #1 in Wind Power We thank our employees for their ongoing dedication to excellence, innovation, and service to our clients and communities around the world. And to our clients, thank you for your trust and the opportunity to partner with you to solve your most complex challenges. #LeadingWithScience