Tetra Tech Mining & Minerals: Detailed Company Information & Corporate Profile
Summary
Tetra Tech Mining & Minerals, founded in 1966 and headquartered in Pasadena, CA, operates independently within the mining sector. With a workforce exceeding 10,000 professionals, the company delivers end‑to‑end solutions that span feasibility studies, pre‑development, final design, construction, operations, and closure services. Its expertise is supported by specialized consulting engineering and electrical design capabilities.
Revenue for the firm falls between $1.0 B and $5.0 B, reflecting its substantial scale in the industry. Tetra Tech Mining & Minerals serves the Los Angeles Metropolitan Area and adheres to SIC codes 8900, 4950, and 7380. Leadership includes Jeff Robson, Resident Engineering Representative; Marthe Bijman, Communications Specialist for Global Mining Practice; and Michael Casados, Senior Electrical Design Engineer.
| Tetra Tech Mining & Minerals Website | tetratech.com |
| Social Links |    |
| Phone Number | 626-351-4664 |
| Industries | |
| Tetra Tech Mining & Minerals Headquarters Address | 3475 E. Foothill Blvd, Pasadena, CA, 91107 US |
| Company Size | 10000+ employees |
| Specialities & Services | Mining, Consulting Engineering, Feasibility Studies, Pre-Development, Final Design, Construction, Operations, Closure |
| SIC Code | 8900, 4950, 7380 |
| DMA Code | Los Angeles Metropolitan Area |
| Founded | 1966 |
| Estimated Annual Revenue | $1.0B - 5.0B |
| Operating Status | Independent Company |
| Updated: | 2026-09-04 |
Competitors
Name | Founded | Type | Employees |
|---|---|---|---|
| 1990 | Public Company | 50K - 100K | |
| 1914 | Partnership | 10K - 50K | |
| 1947 | Privately Held | 5.0K - 10K | |
| 1888 | Public Company | 10K - 50K |
Estimated Website Traffic
The chart shows a growth in traffic to the tetratech.com website. In September, traffic increased to 63920, compared to 58822 in the previous month. The highest traffic in 2026 was recorded in February, reaching 140549 visits.
Workforce Turnover
Length of Employment
Tetra Tech Mining & Minerals's workforce includes employees across a wide range of tenure levels.
11% have been with the company for 5 to 7 years11% have been with the company for 8 to 10 years78% have been with the company for more than 11 years
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Tetra Tech Mining & Minerals Corporate Information: FAQ
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