Norminn Industrial, LLC is a mechanical contractor specializing in industrial and commercial projects. We serve North Dakota, Minnesota, South Dakota, Montana, Wisconsin, Iowa, and Nebraska, offering a full range of services including general contracting, new equipment installations, boiler repair and service, major repairs and rebuilds, routine maintenance, shutdown maintenance, pipe fabrication, tank fabrication, and demolition. With our operations office located in Hillsboro, ND, Norminn Industrial is well-positioned to provide timely service to customers throughout the Upper Midwest. In addition, our state-of-the-art 120’ x 120’ fabrication shop in Clearbrook, MN enables us to fabricate ASME pressure vessels, large piping spools, and structural assemblies. Norminn Industrial holds the following certifications and licenses: • ASME “R” Stamp – Repairs and alterations of boilers and pressure vessels • ASME “S” Stamp – Power boiler manufacturing • ASME “PP” Stamp – Pressure piping fabrication • ASME “U” Stamp – Pressure vessel manufacturing • Minnesota High Pressure Piping License – Certified for high-pressure piping installations in Minnesota