Tetra Tech, Inc. (NASDAQ: TTEK) today announced results for the first quarter ended January 1, 2012. First Quarter Results ... read more

Tetra Tech, Inc. (NASDAQ: TTEK) today announced the planned dates for its first quarter 2012 results and conference call. On Wednesday, February 1, 2012, after market close, Tetra ... read more

Tetra Tech, Inc. (NASDAQ: TTEK) announced today that it has been awarded a $225 million contract to provide a broad spectrum of environmental restoration and remediation services for ... read more

Tetra Tech, Inc. (NASDAQ: TTEK) today announced results for the fourth quarter and fiscal year ended October 2, 2011. Fourth Quarter ... read more

Tetra Tech, Inc. (NASDAQ: TTEK) today announced the planned dates for its fourth quarter 2011 results and conference call. On Wednesday, November 9, 2011, after market close, Tetra ... read more

Tetra Tech, Inc. (NASDAQ: TTEK) announced today that it has been awarded a contract valued at up to $55 million to continue its support for high priority pollution ... read more

Tetra Tech, Inc. (NASDAQ: TTEK) announced today that it has signed a definitive agreement to acquire Department of State consulting firm PRO-telligent, LLC. PRO-telligent provides a wide range ... read more

Tetra Tech, Inc. (NASDAQ: TTEK) announced today that Company executives will deliver presentations to investors at the following investor conferences in September: ... read more

Tetra Tech, Inc. (NASDAQ: TTEK) announced today that it has acquired engineering firm Metalica Consultores, S.A. of Santiago, Chile. This is Tetra Tech’s first acquisition in Latin America. ... read more