| Thu, Jul 9, 2009 | | | Tetra Tech Earnings Call scheduled for Thu, July 30 CCBN (Thu 12:31am)
| | Wed, Jul 8, 2009 | | | Tetra Tech Announces Planned Dates for Third Quarter 2009 Results and Conference Call Business Wire (Wed, Jul 8)
| | Tue, Jul 7, 2009 | | | One Year Later, Pickens Plan Hits Headwinds Indie Research (Tue, Jul 7)
| | Tue, Jun 30, 2009 | | | Tetra Tech buys Diamond Bar firm at bizjournals.com (Tue, Jun 30)
| | | Tetra Tech buys Bryan A. Stirrat & Associates AP (Tue, Jun 30)
| | | Tetra Tech Acquires Bryan A. Stirrat & Associates Business Wire (Tue, Jun 30)
| | Mon, Jun 22, 2009 | | | 5-Star Stocks on the Upswing at Motley Fool (Mon, Jun 22)
| | Tue, Jun 16, 2009 | | | Tetra Tech buys Tesoro, Mussetter AP (Tue, Jun 16)
| | | UPDATE - Tetra Tech says completes acquistion of 3 companies at Reuters (Tue, Jun 16)
| | | Tetra Tech Completes Three Acquisitions With Combined Revenue of $85 Million Business Wire (Tue, Jun 16)
| | Fri, Jun 12, 2009 | | | "Mad Money Lightning Round': Take a Ride on Union Pacific. at TheStreet.com (Fri, Jun 12)
| | Thu, Jun 4, 2009 | | | [$$] The Answer is Blowin' in the Wind at Barron's Online (Thu, Jun 4)
| | Thu, May 28, 2009 | | | Hidden Trades: Infrastructure & Engineering Plays at CNBC (Thu, May 28)
| | Tue, May 19, 2009 | | | Prospects for Water Utilities Examined in Wall Street Transcript Utilities Report Wall Street Transcript (Tue, May 19)
| | Fri, May 8, 2009 | | | TETRA TECH INC Financials EDGAR Online Financials (Fri, May 8)
| | Thu, May 7, 2009 | | | Tetra Tech Awarded USACE Programs Valued at $20 Million Business Wire (Thu, May 7)
| | Tue, May 5, 2009 | | | Tetra Tech Awarded $17.9 Million Governance Program for USAID in Haiti Business Wire (Tue, May 5)
| | Fri, May 1, 2009 | | | Sam Adams Losing Its Fizz? at Minyanville.com (Fri, May 1)
| | | Sam Adams Losing Its Fizz? at Minyanville.com (Fri, May 1)
| | | TETRA TECH INC Files SEC form 10-Q, Quarterly Report EDGAR Online (Fri, May 1)
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