Marsh Bellofram Marsh Bellofram operates a group of companies that manufacture high-performance OEM, industrial, and process control instrumentation. | ![]() Mid-West Instrument Mid-West Instrument designs and manufactures differential pressure gauges and switches. | ||
Founding Date | Founding Date 1865 | Founding Date 1958 | Founding Date 1962 |
Type | Type Private | Type Private | Type Subsidiary |
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Locations | Locations Chester, US HQ | Locations Sterling Heights, US HQ | Locations Bensenville, US HQ Butler, US Milwaukie, US Portland, US Seattle, US |
Employees | Employees 1852% increase | Employees 20 | Employees 57 |

Mid-West Instrument designs and manufactures differential pressure gauges and switches.
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