GTI has been serving businesses in Minnesota, the Dakotas, Wisconsin, Iowa and Nebraska for more than 12 years. We provide complete geothermal heating and air conditioning systems for nearly any need. We also offer excavation and pipeline construction, as well as new and restorative asphalt paving.
Our main lines of business include: Excavating Contractors, Paving Contractors, Pipeline Contractors, Road Construction--Heavy & Highway, Geothermal Energy Systems.
What We Do
Products and Services
Blue Book Network Classifications
Our standard scope of services includes the following CSI Master Format™ code(s).
Commercial Construction Project Specializations
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