Verified Nov 2026
Metal Fabrication
·

Duluth, Minnesota
·
Since 1997
United Piping, Inc. is a pipeline contractor headquartered in Duluth, Minnesota, founded in 1997 and estimated to have 100 to 200 employees with revenue in the $100 to $250 million range. It became a subsidiary of APi Group Inc. in 2009. The company builds and modifies pipeline facilities and provides custom pipe fabrication, hydrostatic testing, horizontal directional drilling, and surface protection services such as blasting, coating, and painting. It serves the oil and gas industry and the construction sector, with regional offices in Morris, Illinois, Mount Pleasant, Michigan, and Claysville, Pennsylvania.
United Piping, Inc. at a glance
Revenue
$100-250M
Est. band
Employees
100-200
Founded
1997
Headquarters
Duluth, Minnesota
Industries
Automotive
Construction
Overview
United Piping, Inc. is a pipeline contractor headquartered in Duluth, Minnesota, founded in 1997 and estimated to have 100 to 200 employees with revenue in the $100 to $250 million range. It became a subsidiary of APi Group Inc. in 2009. The company builds and modifies pipeline facilities and provides custom pipe fabrication, hydrostatic testing, horizontal directional drilling, and surface protection services such as blasting, coating, and painting. It serves the oil and gas industry and the construction sector, with regional offices in Morris, Illinois, Mount Pleasant, Michigan, and Claysville, Pennsylvania.
At a glance
Attribute | Detail |
|---|---|
Founded | 1997 |
Headquarters | Duluth, Minnesota |
Employees | 100-200 |
Revenue | $100-250M (estimated) |
Primary capability | Metal Fabrication |
What United Piping, Inc. makes
Its listed products and capabilities include welding, steel fabrication, coating, and pump-related work, alongside pipeline construction and hydrostatic testing.
Products and capabilities described on the company's own site include Welding, Steel, Coating, Pump (source: unitedpiping.us).
Latest developments
2026-10-08 — From local communities to projects across the country, United Piping brings the same commitment to safety, quality, and dependable execution wherever the work takes us. | United Piping, Inc. (linkedin.com)
2026-09-28 — We’re looking for an experienced, strategic leader to join United Piping, Inc. as our Vice President of Engineering & Project Controls. | Timothy Darif (linkedin.com)
2026-09-10 — We’re hiring a Safety and Risk Director | United Piping, Inc. (linkedin.com)
2026-04-24 — Another project moving forward thanks to the hard work and dedication of the United Piping team. Our crews continue to focus on safety, quality, and teamwork every step of the way. | United Piping, Inc. (linkedin.com)
2026-04-13 — It’s Member Monday, and today we’re highlighting our friends at United Piping, Inc. Based in Duluth MN, UPI has built a strong reputation for excelling in the construction of oil and gas … | Pipe Line Contractors Association (PLCA) (linkedin.com)
2026-04-06 — North Riverside, IL: In March, Marcus Guzman of UPI--United Piping Inc.--received the Employer Support of the Guard & Reserve (ESGR) Patriotic Employer Award. | Illinois ESGR (linkedin.com)
Company details
The company is a subsidiary of APi Group Inc. and reports its focus on the oil and gas sector. United Piping, Inc. was founded in 1997, has an estimated 100-200 employees, and is headquartered in Duluth, Minnesota.
Frequently asked questions
What does United Piping, Inc. make?
United Piping, Inc. is a pipeline contractor headquartered in Duluth, Minnesota, founded in 1997 and estimated to have 100 to 200 employees with revenue in the $100 to $250 million range. It became a subsidiary of APi Group Inc. in 2009. The company builds and modifies pipeline facilities and provides custom pipe fabrication, hydrostatic testing, horizontal directional drilling, and surface protection services such as blasting, coating, and painting. It serves the oil and gas industry and the construction sector, with regional offices in Morris, Illinois, Mount Pleasant, Michigan, and Claysville, Pennsylvania.
Where is United Piping, Inc. headquartered?
United Piping, Inc. is headquartered in Duluth, Minnesota (4510 Airport Rd, Duluth, Minnesota, 55811).
When was United Piping, Inc. founded?
United Piping, Inc. was founded in 1997.
How big is United Piping, Inc.?
United Piping, Inc. has an estimated 100-200 employees, with revenue in the $100-250M range (estimated).
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Last verified Nov 2026. Is this your company? Request a correction.
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