Our mission is to provide our customers with the highest quality products at a competitive price. We attain this standard through complying with all customer requirements and continually striving to improve our quality management system. We've been supporting industry since 1920 - let us help you with your assembly needs. Chicago Rivet & Machine is the parent company of H & L Tool Company, Inc., which is located in Madison Heights, Michigan. H & L Tool is an ISO/TS 16949:2009 registered leading manufacturer of products manufactured through precision turning and cold forming technology.