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
Forkardt HardingeWith roots reaching back to Hardinge’s 1890 founding in Chicago and Forkardt’s 1923 founding in Düsseldorf, Forkardt Hardinge carries more than a century of workholding history. Today, the company designs and manufactures precision equipment for machining operations, with more than 90% of its products made in-house at facilities in New York, Michigan, and Germany. Its specialized capsule collets reflect a 50-year relationship with capsule manufacturers.ELMIRA, NY
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