Plumbers and Steamfitters

Duluth, Minn., ABE Environmental Systems specializes in providing building automation and temperature controls. The company has been operational for more than 40 years and serves customers in Northland, Iron Range and portions of north-eastern Minnesota. It is a division of Uhl Company Inc. that was founded in 1917. The company offers services, such as full mechanical systems replacement, electrical services, security solutions, preventative maintenance, seasonal tune ups, fully stocked warehouse, service vans and many more.

Johnstone Supply in Duluth, MN is a reputable provider of HVAC equipment and supplies. They offer a wide range of products for heating, ventilation, and air conditioning systems. With a focus on quality and reliability, Johnstone Supply caters to contractors and businesses in need of HVAC solutions. Their knowledgeable staff is dedicated to assisting customers in finding the right products for their projects. Generated from their business information

Operational for over 40 years, United Piping is a general contracting company that serves the oil and gas industry in the state of Minnesota. It specializes in pipeline station construction and custom pipe fabrication services. The company also offers pipeline anomaly investigations and repairs, as well as recoating, erosion control and equipment alignment services. In addition, United Piping provides lube oil flushing and filtering, directional drilling and marine excavation services. The company is affiliated with the Pipe Line Contractors Association, American Society of Mechanical Engineers, United Association of Plumbers and Pipefitters and Duluth Builders Exchange. It has completed projects for Great Lakes Gas Transmission Company, Enbridge Energy and Vector Pipeline. United Piping is located in Duluth, Minn.