Echo Therm is a Springfield, Ohio manufacturer founded in 1947 that has remained on the same production floor for nearly 80 years, even as much of the thermometer industry moved overseas. It makes mercury-free glass thermometers for distributors, OEMs, and other volume buyers, with each tube still aligned and inspected by hand before shipment.
Kessler Thermometer and Chase InstrumentFamily-owned and operated since 1934, Kessler Thermometer and Chase Instrument manufactures precision thermometers and hydrometers in West Babylon, New York. The company is one of the last U.S. manufacturers in this field and developed its mercury-free SafetyBLUE line for applications where mercury is prohibited. Its 8,000-square-foot facility includes an ISO-accredited calibration laboratory that certifies instruments and provides NIST-traceable reports.WEST BABYLON, NY
Weiss InstrumentsSince 1882, Weiss Instruments has made temperature and pressure instruments and controls, building its name around industrial thermometers and pressure gauges. The company’s history began with Albert A. Weiss Jr. manufacturing glass thermometers with his father after World War I, and its third and fourth generations later carried the business through Long Island before manufacturing moved to Mount Clemens, Michigan, in 2022. Weiss also develops customized instruments for OEM applications, including its patented self-powered Vari-angle digital thermometers and light-powered pressure gauges.HOLTSVILLE, NY
ThermoidThe Thermoid brand has been part of American rubber manufacturing since 1883, with a history that includes a patented continuous-cure hose process introduced at its Bellefontaine, Ohio, plant in 1969. Today, Thermoid makes custom and standard rubber products for industrial customers and OEMs, with manufacturing facilities certified to ISO 9001 standards.BELLEFONTAINE, OH