Chicago Rivet & Machine Co. is engaged in the business of producing and selling rivets, cold-formed fasteners and parts, screw machine products, automatic rivet setting machines and parts and tools for such machines. The Company operates in two segments of the fastener industry: fasteners and assembly equipment. The Company's fastener segment consists of the manufacture and sale of rivets, cold-formed fasteners and parts and screw machine products. The assembly equipment segment consists primarily of the manufacture of automatic rivet setting machines, automatic assembly equipment and parts and tools for such machines. The principal market for the Company's products is the North American automotive industry.