| Date | Event |
| 16-Nov-09 | TETRA TECH INC Files SEC form 10-K, Annual Report |
| 12-Nov-09 | Tetra Tech Earnings Call scheduled for 11:00 am ET today |
| 12-Nov-09 | TETRA TECH INC Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and Exhibits |
| 11-Nov-09 | Earnings announcement |
| 21-Aug-09 | Price hit new 52-week high ($32.00) |
| 20-Aug-09 | Price hit new 52-week high ($31.98) |
| 13-Aug-09 | Price hit new 52-week high ($31.55) |
| 31-Jul-09 | TETRA TECH INC Files SEC form 10-Q, Quarterly Report |
| 30-Jul-09 | Tetra Tech Earnings Call scheduled for 11:00 am ET today |
| 30-Jul-09 | TETRA TECH INC Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and Exhibits |
| 1-May-09 | TETRA TECH INC Files SEC form 10-Q, Quarterly Report |
| 30-Apr-09 | TETRA TECH INC Files SEC form 8-K, Amendments to Articles of Inc. or Bylaws; Change in Fiscal Year, Financial Stateme |
| 27-Feb-09 | TETRA TECH INC Files SEC form 8-K, Amendments to Articles of Inc. or Bylaws; Change in Fiscal Year, Financial Stateme |
| 30-Jan-09 | TETRA TECH INC Files SEC form 10-Q, Quarterly Report |
| 29-Jan-09 | TETRA TECH INC Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and Exhibits |
| 19-Nov-08 | TETRA TECH INC Files SEC form 10-K, Annual Report |
| 13-Nov-08 | TETRA TECH INC Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and Exhibits |