

Tetra Tech: Detailed Company Information & Corporate Profile
Summary
The business currently specializes in Civil Engineering area. The company has 10000+ employees. Register with SignalHire to connect with Tetra Tech employees and management.
| Tetra Tech Website | tetratech.com |
| Social Links | |
| Phone Number | 1(626) 351-4664 |
| Industries | |
| Tetra Tech Headquarters address | 3475 East Foothill Blvd., Pasadena, CA, 91107 US |
| Company 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 |
| Estimated Annual Revenue | $1B - 5B |
Competitors
Name | Founded | Type | Employees |
|---|---|---|---|
| 1914 | Public Company | 25 - 100 | |
| 1879 | Public Company | 10K - 50K | |
| 1923 | Public Company | 10K - 50K | |
| 1919 | Public Company | 10K - 50K |
Subsidiaries and Affiliated Companies
Estimated Website Traffic
The chart shows a decline in traffic to the tetratech.com website. In June, traffic decreased to 66852, compared to 86814 in the previous month. The highest traffic in 2026 was recorded in February, reaching 140549 visits.
Workforce Turnover
Number of employees switched from or switched to
Departmental sample breakdown
Length of Employment
Tetra Tech's workforce includes employees across a wide range of tenure levels.
8% have been with the company for 1 to 2 years14% have been with the company for 3 to 4 years19% have been with the company for 5 to 7 years16% have been with the company for 8 to 10 years43% have been with the company for more than 11 yearsCompanies Similar to Tetra Tech
Tetra Tech Corporate Information: FAQ
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