Heat and Frost Insulators Local 133 covering North Dakota

Heat & Frost Insulators Local 133 offers a hands on training facility to its members and classrooms for meticulous training for their success. Our apprentices and members are trained in the latest mechanical insulation technologies to keep up with the new thermal demands. Local 133’s contractors gain work in the most challenging environments: powerhouses, ethanol plants, refineries, chemical plants, food processing plants, hospitals, schools, colleges and more throughout the state of North Dakota and Northwest Minnesota region. We are proud to offer our contractors professional mechanical insulators to meet their customer’s request, so they can meet the challenges of building a safer, healthier, greener, and more efficient region.

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