United Piping, Inc.

United Piping, Inc. United Piping Inc. (UPI) is a general contracting company in the oil and gas industry. We're experts in pipeline right-of-way restoration.

(UPI) is an oil and gas industry general contractor serving clients across the country. We are headquartered in Duluth, Minnesota; with regional offices in Morris, Illinois; Mount Pleasant, Michigan; and Claysville, Pennsylvania. We pride ourselves on our new and existing pipeline facility construction, pipeline maintenance, pipeline fabrication, horizontal directional drilling, access services, a

nd blasting, coating and painting services to the oil and gas pipeline industry. In our 25,000 square foot shop facility, we fabricate high yield carbon pipe for our self-performed projects as well as standalone fabrication projects. Since our founding, we've built an outstanding reputation for innovative, uncompromising fabrication work. We've continued our dedication to high quality performance in constructing oil and gas facilities, performing on-site installations of complex piping systems, and excelling in integrity maintenance projects. We have equipment and capabilities for swamp/marsh, and marine excavation, as well as hydro-excavation services. We have a custom built, one-of-a-kind truck mounted l**e oil flushing and filtering machine to perform l**e oil flushing services for multi-million-dollar gas compression turbine engines. We provide large bore horizontal directional drilling where traditional trenching and excavation methods are not possible. UPI also offers other special project services, including pipeline sleeving and recoating, and right-of-way maintenance and clearing. See our Services page for complete list and details. The energy industry is constantly evolving to meet the needs of our country's high demand while respecting and protecting the environment in which it operates. Since 1997, United Piping Inc. has grown and innovated to be a leader in general contracting serving the oil and gas industry. No matter the size of the project, UPI has the staff, experience and equipment necessary for the job. UPI has pioneered innovative new technologies for more than two decades, and has an outstanding set of core values and an uncompromising drive to be an industry leader for safety and quality. For more information on our company and what we can do for you, contact us today.

Heavy equipment, experienced crews, and the work to get the job done. United Piping brings the people and resources need...
08/24/2026

Heavy equipment, experienced crews, and the work to get the job done. United Piping brings the people and resources needed to keep projects moving across the country.

When you spot a UPI Hydrovac truck on the road, you know the work is moving. 🚛Our crews are out there putting in the mil...
08/19/2026

When you spot a UPI Hydrovac truck on the road, you know the work is moving. đźš›

Our crews are out there putting in the miles and getting the job done!

We’re ready when you are.United Piping works across the country with the equipment, experience, and crews to get the job...
08/14/2026

We’re ready when you are.

United Piping works across the country with the equipment, experience, and crews to get the job done.

From local projects to large-scale work nationwide, we’re ready to put in the work.

Looking down on the details that make the difference.Precision. Teamwork. Experience.That's how the job gets done. 
08/06/2026

Looking down on the details that make the difference.

Precision. Teamwork. Experience.

That's how the job gets done.



UPI had a great time attending the Naperville Youth Club 14th annual golf outing this past Wednesday! We cannot wait to ...
07/31/2026

UPI had a great time attending the Naperville Youth Club 14th annual golf outing this past Wednesday! We cannot wait to attend next year!

Our Fab Shop has been busy, and we’re proud to capture the hard work and craftsmanship happening every day. Exciting thi...
07/29/2026

Our Fab Shop has been busy, and we’re proud to capture the hard work and craftsmanship happening every day. Exciting things are coming soon—stay tuned!

Safety starts long before the job gets underway.Every project presents new challenges, but one thing never changes—our c...
07/22/2026

Safety starts long before the job gets underway.

Every project presents new challenges, but one thing never changes—our commitment to protecting our crews. Through planning, communication, and attention to detail, we build a culture where safety comes first and everyone looks out for each other.

At United Piping, safety isn't just a priority—it's part of who we are.

A look back at one of the many projects that has shaped United Piping.No matter the state or the season, our crews have ...
07/17/2026

A look back at one of the many projects that has shaped United Piping.

No matter the state or the season, our crews have always shown up with the same goal: work safely, work hard, and deliver quality that lasts. It's a commitment that's carried us to projects across the country—and continues to define who we are today.

You never know what you'll see when you spend your days in the field.This was the view from one of our jobsites after th...
07/13/2026

You never know what you'll see when you spend your days in the field.

This was the view from one of our jobsites after the rain rolled through. It's a good reminder that even on busy days, it's worth taking a moment to appreciate where the work takes us.

Wherever the work takes us, our crews show up ready!Across the country, our teams put in the miles, the long hours, and ...
07/08/2026

Wherever the work takes us, our crews show up ready!

Across the country, our teams put in the miles, the long hours, and the hard work needed to get the job done right. It’s the people in the field who make it happen—bringing experience, teamwork, and a commitment to safety every day.

Proud of our crews and the work they do representing United Piping.

Address

4510 Airport Road
Duluth, MN
55811

Opening Hours

Monday 7am - 5pm
Tuesday 7am - 5pm
Wednesday 7am - 5pm
Thursday 7am - 5pm
Friday 9am - 5pm

Telephone

(218) 727-7676

Website

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