Serving MN, ND, SD,


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High-quality boilermaker services

When you need a construction project done right the first time, contact A & B Welding & Construction Inc. Our union boilermakers meet the highest standards of the ASME Boiler and Pressure vessel codes.


Make sure your jobs are done safely and on schedule by hiring our team. Call us today to schedule your project.

Assembly, maintenance & repairs

  • Tank and Vessel

  • Fuel refineries

  • Ethanol plants

  • Water towers

  • Communcation towers

  • Recycling processing plants

  • Power and heat generation facilities

We carry ASME "S" Stamp.


S - Allows us to manufacturer and assemble power boilers


We carry NBIC "R" Stamp.


R - Repairs, alterations & extended field repairs on boilers and pressure vessels

Saftey for all jobs

At A & B Welding & Construction all of our welders are certified and very experienced. Visit our Facebook to view more of our work!

Reach out to us and learn more about our Boilermaker Services


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