About
The history of Marsh Bellofram provides a look into the history of American manufacturing in the 20th century, and how it adapted to prepare for the needs and challenges of the 21st and beyond. Headquartered in Newell, the Marsh Bellofram Group of Companies is a leading global manufacturer of high-performance OEM, industrial and process control instrumentation, including timers and counters, digital controllers and panel meters, RTDs and thermocouples, FRLs, cylinders, natural gas and propane pressure regulators, air pressure regulators and transducers, tank and liquid level measurement systems, pump and motor protection switches and alternating relays, as well as sensors, industrial diaphragms, and specialty silicones.