From its Marion, Ohio foundry and machine shop, Hildreth Manufacturing makes beryllium-copper plunger tips for die-casting operations. The company also handles custom non-ferrous casting and machining, using proprietary HM-10 and HM-20 alloys, patented Center Cast Technology, and MAZAK CNC equipment. Its quality lab uses a Spectrolab Model F spectrometer, while stocked tip sizes and same-day shipping support customers needing quick turnaround.
EPA and OSHA compliant foundry
Compliance program
EPA
Quality certification
General Die Casters, IncSince 1957, General Die Casters has built its name around complex custom aluminum and zinc die castings for demanding industrial applications. The company operates three manufacturing facilities in two Northeast Ohio locations, with a 90,000-square-foot casting expansion opened in 2015 that brings casting and CNC machining together. With more than 25 casting machines and ISO 9001:2015 registration, General Die Casters handles challenging geometries, stringent porosity requirements and tight-tolerance machining from its own operations.TWINSBURG, OH
Advance Bronze IncSince 1969, Advance Bronze Inc. has cast and machine-made custom bronze components in Lodi, Ohio, beginning with hydraulic-cylinder wear rings and growing into an in-house foundry and machine shop serving demanding industrial applications. Its specialty is centrifugal casting across most castable bronze alloys, with the capacity to produce anything from semi-finished bars to close-tolerance bearings and wear plates, including urgent replacement parts when equipment breaks down. The company has grown from 12 employees to more than 65 and operates under an AS9100/ISO 9001-compliant quality management system.LODI, OH
Cast Specialties, IncSince 1960, Cast Specialties has produced high-pressure zinc and aluminum die castings in Warrensville Heights, Ohio, pairing them with machining and coordinated finishing so customers can receive production-ready components from one supplier. Its 35,000-square-foot facility supports a broad range of die-casting equipment, while ISO 9001:2015-certified quality processes cover inspection from incoming material through final shipment. The company emphasizes direct communication and long-term production support for OEM and industrial customers.CLEVELAND, OH
Krengel ManufacturingWoman-owned Krengel Manufacturing brings more than 50 years of die-casting experience to custom production work in Eastlake. The company pairs its high-pressure aluminum castings with an in-house tool and die shop, giving customers one experienced team for specialized parts and the tooling behind them.EASTLAKE, OH