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Trusted Industrial Mechanical Contracting Services
Norminn Industrial is a mechanical contracting firm dedicated to delivering industrial and commercial solutions with a focus on safety, quality, and timeliness. Our expertise spans boiler repair and service, general contracting, equipment installation, and comprehensive maintenance programs tailored to the Upper Midwest. With operations in Hillsboro, ND, and a state-of-the-art fabrication shop in Clearbrook, MN, we provide ASME-certified pressure vessel fabrication, piping systems, and code-compliant repairs.

Our team serves diverse industries including energy, agriculture, and chemical processing, supported by NBIC R-stamp and ASME U/PP/S certifications. We prioritize customer satisfaction through emergency repair capabilities, project management, and precision welding services across five states.
Services
Boiler Repair Boiler Service General Contracting New Equipment Installs Major Repairs & Rebuilds Routine Maintenance Shut Down Maintenance Fabrication & Machining Emergency Repair Project Management
Highlights and features
  • ASME and NBIC certified specialists
  • State-of-the-art fabrication shop in Minnesota
  • Serving 5 states across the Upper Midwest
  • Experienced in diverse industries including energy and agriculture
  • Emergency repair services available 24/7
Associations and certifications
  • ASME
  • NBIC
Services
Boiler Repair
Our certified technicians specialize in boiler repairs for industrial and commercial systems. We handle tube replacements, mud leg repairs, and pressure vessel modifications with NBIC R-stamp compliance. Emergency services ensure minimal downtime for critical operations.
Fabrication & Machining
ASME-certified pressure vessel fabrication using advanced welding techniques. Our 120' x 120' shop produces piping spools, structural assemblies, and custom equipment. Capabilities include CNC machining and GTAW/GMAW/SMAW/SAW welding processes.
Emergency Repair
Industrial emergency repair services available through dedicated hotlines. Our rapid response team handles boiler failures, piping leaks, and equipment breakdowns across five states. Minimize operational disruptions with our on-call specialists.
General Contracting
Full-scope contracting for mechanical systems installation and upgrades. We manage projects from planning to execution, including pollution control upgrades and material handling systems. Experienced in power generation and chemical processing facilities.
Routine Maintenance
Scheduled maintenance programs to extend equipment lifespan and prevent failures. Services include inspections, cleaning, and component replacements. Our proactive approach reduces unexpected breakdowns in agricultural and energy sector operations.
Questions
What industries do you serve?
We serve agricultural processing, energy production, chemical manufacturing, pulp & paper, and food/pharmaceutical industries across the Upper Midwest.
Are you ASME-certified?
Yes, we hold ASME S, U, and PP stamps for boiler construction, pressure vessel fabrication, and power piping systems.
Do you offer emergency services?
Emergency repair services are available 24/7 through our dedicated hotline at (701) 929-1691.
Where are your service areas?
We operate throughout Minnesota, North Dakota, South Dakota, Montana, and Wisconsin with rapid response capabilities.
What fabrication capabilities do you have?
Our Clearbrook facility handles ASME pressure vessel fabrication, CNC machining, conveyor systems, and structural assemblies up to 120' x 120' dimensions.