Tetra Tech

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About Company

Tetra Tech is a leading, global provider of high-end consulting and engineering services. We are 28,000 employees dedicated to solving water, environment, sustainable infrastructure, renewable energy, and international development challenges for our clients and communities.

We use our Leading with Science® approach and leverage our Tetra Tech Delta technologies to create sustainable solutions for 100,000 projects in more than 100 countries on 7 continents each year.

Corporate headquarters

3475 East Foothill Boulevard
Pasadena, California 91107-­6024, USA

P +1 (626) 351-4664
F +1 (626) 351-5291
[email protected]

Media and public relations

Charlie MacPherson
3475 East Foothill Boulevard
Pasadena, California 91107-­6024, USA

+1 (626) 470-2439
[email protected]

Investor relations

Jim Wu
3475 East Foothill Boulevard
Pasadena, California 91107-­6024, USA

+1 (626) 470-2844
[email protected]

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