Union Rubber Company is part of Six Robblees', which offers tire shop supply and equipment. Once a small family-owned company, Six Robblees' has grown to have 17 locations in 5 states. Rohnert's Union Rubber Co. was purchased in 1986, and offers car, truck and trailer wheels, as well as small trailer components, tire shop supplies, equipment and heavy-duty parts. You can visit the Web site for a complete list of products and brands.