Founded by James F. Cain in 1960, Marlboro Manufacturing makes industrial hinges for original equipment manufacturers, with standard inventory and custom designs supporting domestic and international customers. Still owned and operated by the Cain family, the Alliance, Ohio company shifted from storm-door hardware to industrial hinges in the mid-1970s and now serves applications ranging from manufacturing equipment to emergency vehicles.
Keystone Friction Hinge CoFounded in 1905 as a maker of friction hinges and furniture hardware, Keystone Friction Hinge Co. is a privately held Pennsylvania manufacturer with an 88,000-square-foot facility in South Williamsport. It now specializes in contract metal stamping, CNC machining, and assembly, and has supplied industrial customers for decades. The company describes its work as progressing from concept and prototyping through full production.SOUTH WILLIAMSPORT, PA
AdaletFounded in 1928, Adalet is a Cleveland manufacturer known for nearly a century of work serving hazardous and rugged industrial environments. The Marmon/Berkshire Hathaway company supports customers with engineered enclosure systems, including custom applications, from a 120,000-square-foot facility with its own cast aluminum foundry and ISO 9001-certified manufacturing operation.CLEVELAND, OH
The Hollaender Manufacturing CompanyNow in its fourth generation of family ownership, The Hollaender Manufacturing Company has grown from Pete Hollaender’s 1930 Cincinnati plumbing shop into a U.S. manufacturer known for keeping production at home. Incorporated in 1946, the company makes aluminum pipe fittings and architectural railing systems for demanding settings ranging from industrial facilities to Kennedy Space Center launch towers. Its Cincinnati headquarters and Somerset, Kentucky operation now support more than 85 associates.CINCINNATI, OH