News & Events

April 2010

Tetra Tech CSO employees are very conscious of the environment and the difference their work can make on the quality of life for citizens of our planet.  On this Earth Day, 

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March 2010

Please see our Career page to listen to one of our young engineers talk about her passion for her work and her career with Tetra Tech CSO.


March 2010

Yves Dion, Project Director for Tetra Tech CSO, was invited to participate in various workshops at a seminar organized by the “École Plytechnique de Montréal”, March 4-5, 2010, for the reconstruction of Haiti. 

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October 2009

Tetra Tech CSO is pleased to announce the expansion of its services to Texas. This is an important step towards better serving our clients in the United States. You can reach our Texas team at 817-719-4038.


March 2009

Hubert Colas, President and General Manager of Tetra Tech CSO, was interviewed during Americana, March 17-19, 2009, in Montreal, QC, Canada. The interview was organized by the Government of Canada, through the Quebec Regional Office of Foreign Affairs and international Trade Canada. Click here to view the video.


December 2008

Tetra Tech CSO and its partner, Stantec, were selected by the City of Hamilton for the implementation of a comprehensive Real Time Control (RTC) System. Click here to learn more.


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Key Contact

Diana Tao

Director of Business Development
This email address is being protected from spambots. You need JavaScript enabled to view it.
514-257-2427 Ext: 3306
Toll Free: 877-292-5100