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Tetra Tech, Inc. (NASDAQ:TTEK) is one of the 15 Best Data Center Stocks to Buy and Hold for the Next Decade.

On June 25, 2026, Tetra Tech, Inc. (NASDAQ:TTEK) announced that the U.S. Army Corps of Engineers Mobile District selected the company for a $49M multiple-award contract. The contract covers architect-engineer design and technical services for inland and coastal navigation and water resources infrastructure projects. Under the 5-year contract, Tetra Tech's engineers, scientists, and technical specialists will provide A-E services for civil works infrastructure in the Mobile District's area of responsibility in the Southeastern United States.

On June 24, Tetra Tech said California's Encina Wastewater Authority selected the company for a single-award contract to deliver digital automation and operational technology network solutions for the CLEAR project. CEO Roger Argus said Tetra Tech has been Encina Wastewater Authority's operational technology and systems integrator since 2017, citing the importance of "secure, optimized OT systems" for wastewater treatment and a "reliable, resilient solution" for managing energy resources.

Photo by ThisisEngineering RAEng on Unsplash

On June 16, Tetra Tech announced that Scotland Excel selected the company to support critical infrastructure projects and environmental resiliency across Scotland. Argus said Tetra Tech has provided engineering design services to Scotland Excel since 2013 and will continue working with local councils to deliver "resilient infrastructure and environmental outcomes" for communities across Scotland.

Tetra Tech, Inc. (NASDAQ:TTEK) provides consulting and engineering services focusing on water, environment, and sustainable infrastructure in the United States and internationally.

While we acknowledge the potential of TTEK as an investment, we believe certain AI stocks offer greater upside potential and carry less downside risk. If you're looking for an extremely undervalued AI stock that also stands to benefit significantly from Trump-era tariffs and the onshoring trend, see our free report on the best short-term AI stock.

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