| Sponsor / Plan | Location | Service | Participants | Assets | Direct comp |
|---|---|---|---|---|---|
| TETRA TECH, INC. TETRA TECH, INC. AND SUBSIDIARIES RETIREMENT PLAN | PASADENA, CA | TPA / Administrator CONTRACT ADMINISTRATOR | 12,307 | $2.0B | $81K |
| TETRA TECH, INC. TETRA TECH, INC. AND SUBSIDIARIES RETIREMENT PLAN | PASADENA, CA | Advisor / Consultant INVESTMENT ADVISORY | 10,360 | $1.5B | $85K |