In selecting Tetra Tech EC, Inc., you will be choosing an experienced, quality-driven firm with a long tradition of providing reliable, permanent solutions to the most complex environmental problems. The successful application of technology and the ultimate success of a project of any size require the highest levels of skill. Our highly capable professionals are ready to ensure that you achieve this success. Our staff is comprised of over 2,000 engineers, scientists, technicians, construction experts, and other specialists. These professionals are able to draw upon the latest research, design, engineering, construction, and management tools and facilities that enable single-source project execution, consulting, and equipment supply services to meet all of our clients' needs.

In April 1998, Tetra Tech EC, Inc. received its ISO 14001 Certification. The ANSI/RAB ISO 14001 Certificate, issued by SGS International Certification Services (SGS), covers all of our services, including consulting, engineering, remediation, and construction management through all of its domestic offices and numerous project sites. We are the first major full-service environmental consulting, engineering, remediation, and construction firm to earn ISO 14001 Certification with such broad coverage.