About Polar

As leading distributors for most major brands of tank trailer parts and components, Polar Service Centers can provide national parts and service contracts to both regional and nationwide carriers.

About Polar

Polar Corporation is North America’s largest tank trailer manufacturing, parts, and service organization. Working with commercial and private fleets of all sizes, we design, build, and support the best trailers for hauling dry and liquid bulk freight.

Based in St. Cloud, MN, Polar employs more than 1,700 and is comprised of three companies: 

  • Polar Tank Trailer produces custom-built aluminum, stainless steel, and carbon steel tank trailers. With three manufacturing facilities and the industry’s most experienced sales and engineering teams, we produce a full line of liquid and pneumatic tanks for crude oil, hot oil, refined fuels, propane, chemicals, corrosives, food products, and other bulk commodities.
  • Polar Service Centers is the industry’s only national network of factory-owned parts and service locations. We provide reliable, consistent access to new and used trailer inventory, all-makes parts, and technicians who can work on any brand of tank vehicle.
  • Rockwell American manufactures and sells parts and components for light-duty trailers, and is a leading supplier of fenders, axles, brakes, and wheels. Our brands include Century Wheel & Rim and Rockwell American.

Across all levels of our businesses, Polar’s reputation for quality, expertise, and innovation is unmatched. Learn more about Polar and how why we’re a preferred supplier to tank-truck fleets across North America.