Family-owned since 1991, MRF Machine and Hydraulics is a Kent, Ohio manufacturer whose cylinders have become original equipment on heavy-construction attachments. It serves OEM customers with custom fluid-power components and precision-machined parts, producing everything from individual components to complex assemblies.
Quality assurance per MIL-I-45208
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R&J Cylinder and MachineFounded in 1990 in a small Dover garage, family-owned R&J Cylinder and Machine now builds custom welded hydraulic cylinders and handles demanding industrial machining and repair work from more than 120,000 square feet in New Philadelphia. Its Ohio operations pair large-scale CNC machining with a dedicated honing division in Bolivar, allowing the company to take projects from engineering and fabrication through finishing and inspection. R&J is ISO 9001 certified and serves customers across the Midwest and beyond.NEW PHILADELPHIA, OH
Ohio Hydraulics, IncFounded in a Mt. Healthy garage in 1944, Ohio Hydraulics makes hydraulic hose assemblies and fittings while also repairing cylinders and fabricating custom components for Cincinnati-area industry. Now led by the third and fourth generations of the Davis family, the company works from a 21,000-square-foot Sharonville facility and is known for its “Assemblies While U Wait” service.CINCINNATI, OH
Sheffer CorporationFounded by brothers Don and Harvey Sheffer in Reading, Ohio, in 1952, Sheffer Corporation manufactures hydraulic and pneumatic cylinders, with a specialty in custom designs for demanding applications. The company has grown from a family-founded machine shop into a multi-facility American manufacturer whose cylinders have supported the Space Shuttle, the Joint Strike Fighter and aerospace programs for SpaceX and Blue Origin. Sheffer still pairs direct access to engineers with the capacity to build everything from standard units to large-bore, highly specialized cylinders.CINCINNATI, OH