Marsh Bellofram is a Newell, West Virginia manufacturing group whose roots reach back to 1865 and whose modern identity took shape when Marsh and Bellofram became one company in 1995. Its 11 divisions serve industrial customers worldwide, with a particular heritage in precision instrumentation and rolling diaphragms. The group operates from a 215,000-square-foot U.S. headquarters and maintains ISO 9001:2015 certification, while Bellofram Elastomers also holds AS9100D certification.
AS9100D
ISO9001:2015
Bellofram ElastomersBellofram Elastomers brings together Bellofram Diaphragm, which invented the original rolling diaphragm in 1950, and Bellofram Silicones under one U.S. manufacturing operation. From Newell, West Virginia, it develops custom elastomer sealing solutions for industrial customers, with particular expertise in pressure-responsive diaphragms and closed-cell silicone sponge.NEWELL, WV
Bellofram Precision ControlsBellofram Precision Controls has been part of the process-controls industry since 1957, drawing on a long-tenured engineering and manufacturing staff. The company makes precision pressure regulators for OEM and industrial customers, with products designed for reliable service in demanding applications. Its quality system is certified to ISO 9001:2015.NEWELL, WV
The Armor Group, IncFounded by the Edward C. Bott family in Cincinnati in 1927 as a maker of steel workbenches and shop cabinets, The Armor Group has grown into a multi-division manufacturer of engineered products and contract-manufactured components. Headquartered in Mason, Ohio, the company operates more than 475,000 square feet of manufacturing space across the United States and overseas, with over 250 employees and ISO 9001:2015 certification. Its divisions also support customers after delivery through aftermarket services and OEM parts.MASON, OH
Marathon Special ProductsMarathon Special Products has been part of Bowling Green, Ohio’s manufacturing community since 1965, when it became an independent company after operating under Marathon Electric Motors. Its history reaches back to a first patent in 1932, and today its engineers work with electrical professionals worldwide to develop dependable power-distribution solutions tailored to demanding applications. The company has maintained ISO 9001 certification since 2003 and became ISO 9001:2015 certified in 2018.BOWLING GREEN, OH