Thybar Corporation has been manufacturing custom sheet metal products for more than 40 years. It offers roof and prefabricated equipment base curbs of Retro-Mate brand. The company provides services for the heating, ventilation and air conditioning and sheet metal industries. It also offers pipe and metal building curbs, equipment mounting supports and prefabricated joint systems. Thybar Corporation provides assembling and installation services. Its clients include General Motors, Ford Motor Company, Chrysler, W.W. Wrigley Company, Sears and General Mills. The company offers an online inquiry service and order forms. With one of its locations in Addison, Ill., Thybar Corporation serves clients in Texas, Kentucky and Ohio.