Chicago Rivet & Machine Co is in the fastener industry in North America. The company operates in two segments namely fasteners and assembly equipment. Its fastener segment consists of the manufacture and sale of rivets, cold-formed fasteners, parts, and screw machine products. The assembly equipment segment consists mainly of the manufacture of automatic rivet setting machines, automatic assembly equipment, and parts and tools for such machines. The majority of revenue is from the fastener segment. Geographically, the majority is from the United States.