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About Us
Tessier’s Inc. is a premier mechanical contracting organization that performs the design, installation and management of mechanical systems for commercial, institutional and industrial building.

Tessier’s Inc. was founded in Mitchell, South Dakota in 1919. The company currently maintains offices in Mitchell, Sioux Falls, and Rapid City, South Dakota; and performs mechanical construction work throughout the state of South Dakota and each of the surrounding states.

Examples of projects on which Tessier’s is or has been involved include the Sanford Premier Center in Sioux Falls, the Avera Grasslands Clinic in Mitchell and the Black Hills Corporation Headquarters Building in Rapid City.