Established in 1961, Cincinnati-based Positrol designs and builds industrial workholding devices, with a particular focus on custom solutions for demanding manufacturing applications. The privately held small business approaches its work as an engineering problem, developing and testing customer-driven designs and guaranteeing repeatable part holding to the provided specifications. Its brands include Superior Cincinnati for standard collet chucks and pads, Langlois for aerospace workholding, and City Machine for prismatic applications.
Riten Industries, IncSince 1933, family-owned Riten Industries has made precision workholding equipment in central Ohio, with live and dead centers and face drivers as its sole business. The company also engineers custom tools for demanding applications and operates a full-service repair and rebuilding program, including work on competitors’ equipment. Riten’s 35,000-square-foot American manufacturing facility maintains an ISO 9001:2015-certified quality system.WASHINGTON COURT HOUSE, OH
Kalamazoo Chuck Manufacturing (KCM)Founded in 1998 by a former Buck Chuck Company owner, Kalamazoo Chuck Manufacturing is a Lancaster, Pennsylvania manufacturer known for carrying forward historical Buck chuck designs. KCM also develops custom workholding equipment for manufacturers with large, complicated, or otherwise non-standard applications.LANCASTER, PA
Forkardt HardingeForkardt Hardinge designs and manufactures precision workholding products and machine-tool accessories for manufacturers. Its heritage combines Forkardt, founded in 1923 in Düsseldorf, and Hardinge, founded in 1890 in Chicago; Hardinge acquired the Forkardt operations in 2013. The company reports more than 130 years of workholding history and manufacturing facilities in Elmira, New York, Traverse City, Michigan, and Reutlingen, Germany.ELMIRA, NY