09:54 AM EDT, 04/08/2025 (MT Newswires) -- Tetra Tech (TTEK) said Tuesday that it has been awarded an expanded contract under the Government Services Administration's One Acquisition Solution for Integrated Services, or OASIS+ unrestricted program.

Tetra Tech said it has been selected under a five-year, multiple-award indefinite delivery indefinite quantity contract with an unlimited ceiling value to provide a wide range of technical services to federal agencies, such as management, research and development, engineering, environmental, facilities, intelligence, and logistics.

Shares of Tetra Tech were up more than 1% in recent Tuesday trading.

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