Caster Concepts is an American manufacturer of heavy-duty industrial caster wheels. Customers can order custom and standard casters (medium duty, medium heavy duty, heavy duty, extra heavy duty, and super heavy duty) in any quantity. Medium duty casters have a load capacity of less than 900 pounds, super heavy duty casters can carry more than 20,000 pounds. The casters are made in the U.S. from a variety of materials, ranging from polyurethane and rubber to forged steel and cast iron, depending on the desired application. The company also offers shock-absorbing casters, pneumatic wheel casters as well as V-groove wheels that run on tracks for guided industrial applications such as assembly lines and paint lines.