Tetra Tech Information
Summary
Tetra Tech is the leader in water, environment, and sustainable infrastructure, providing high-end consulting and engineering services for projects worldwide. With 25,000 employees working together, T...Show more
Organization Website | tetratech.com |
Social Links |    |
Phone Number | 1(626) 351-4664 |
Industries | |
Headquarters Location | 3475 East Foothill Blvd., Pasadena, CA, 91107 US |
Employees Size | 10000+ employees |
Specialties | Water, Energy, Environment, Infrastructure, International Development, Resource Management, Technology Solutions, High Performance Buildings, Data Analytics, Artificial Intelligence, Asset Management, Design and Engineering, Emergency Management, Disaster Recovery, Laboratory Services, Solid Waste Solutions, Surveying and Mapping |
Competitors
Founded | Type | Employees | Revenue | Funding | |
|---|---|---|---|---|---|
| 1914 | Public Company | 25 - 100 | 28.1M | $4.4M | |
| 1879 | Public Company | 10K - 50K | 119.3B | $0 | |
| 1923 | Public Company | 10K - 50K | 12.1B | $0 | |
| 1919 | Public Company | 10K - 50K | 13.4B | $0 |
Subsidiaries and Affiliated Companies
Estimated Website Traffic
The chart shows a decline in traffic to the tetratech.com website. In January, traffic decreased to 139468, compared to 144155 in the previous month. The highest traffic in 2026 was recorded in January, reaching 139468 visits.
Employees Turnover 4 quarter 2025
Number of employees switched from or switched to
Number of employees by department
Length of Employment
Employee tenure at Tetra Tech shows a diverse range of experience levels:
16% for 1–2 years16% for 3–4 years19% for 5–7 years13% for 8–10 years35% have over 11 years of service at Tetra TechEx-employees positions
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