Customer Testimonials:

"We can count on United Piping for reliable and quality fabrication work."
- Richard Boyer, area foreman, Dome Petroleum Co.

Contact Us

Corporate Office - Duluth, MN

4510 Airport Road
Duluth, MN 55811
Ph: 218-727-7676
Fax: 218-727-1536

Office Manager: Connie Cooley

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Pipe Fabrication

United Piping, Inc.'s experienced pipefitters have also developed highly-specialized fabrication techniques. Our processes include:…

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Facility Construction

Our experienced professionals will help you draft and engineer an efficient system, solve operational problems, and install your new system ready for operation.

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Maintenance & Special Services

Operating facilities need on-going maintenance to ensure integrity and maximize production.