All 3 companies
A–Z by legal name| Company | Registry number | Registered | Status | City |
|---|---|---|---|---|
| TETRA TECH NUS, INC. | 0000048441 | 2004-03-25 | Merged | PASADENA |
| Timec Services Company, Inc. | 0000049827 | 2004-04-29 | Active | PASADENA |
| TMAD TAYLOR & GAINES ENGINEERS, INC. | 0000050409 | 2004-04-23 | Dissolved | PASADENA |