Family-owned since its 1916 founding in Rochester, Tel-Tru Manufacturing Company remains under the ownership of third-generation descendant Andy Germanow. The American manufacturer is known for temperature instruments built for demanding industrial and sanitary applications, with more than a century of experience supporting customers through custom-engineered solutions.
ISO 9001:2015 Certification
3-A Certification
NSF Certification
ITAR Registration
Registration
RoHS & REACH
Compliance program
Proposition 65
Compliance program
NIST-Traceable Calibration
Compliance program
3A
Quality certification
NSF
Quality certification
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
Temper CorporationFounded in 1969 by mechanical engineer John Rode, family-owned Temper Corporation manufactures precision assemblies and equipment, with a long-standing specialty in bearing adjustment technology. The company reports producing more than two million rings annually and operates manufacturing facilities in New York; it is now owned and operated by Cynthia DeKuiper. Its engineering and production work includes custom-designed parts and assemblies for industrial applications.FONDA, 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
Thermo Electric Company, IncSince 1941, Thermo Electric Company has built its reputation as a temperature-measurement specialist for industries where dependable readings matter. The West Chester-based manufacturer is now part of the COTEMP Sensing Group, with a network spanning six countries and three continents and a particular focus on tailored solutions for demanding industrial and semiconductor applications. Its work is supported by certified quality and calibration programs.WEST CHESTER, PA