From its Westerville manufacturing operations, Lake Shore Cryotronics makes precision sensors, instruments, and systems for measuring and controlling cryogenic temperatures and magnetic fields. Its equipment supports research and testing in areas ranging from superconductivity to electronic devices, with the company marking 50 years in business in 2018. Lake Shore achieved ISO 9001 certification in 1998 and also holds ISO/IEC 17025 accreditation for specified calibrations performed in Westerville.
ISO 9001:2015
certification
ISO/IEC 17025 accreditation
certification
Cleveland Electric LaboratoriesFounded in 1920 as a repair service for railroad and Cleveland industries, family-owned Cleveland Electric Laboratories now makes custom high-temperature thermocouples and industrial sensors for demanding temperature, pressure, and strain measurements. Based in Twinsburg, the company also operates an ISO/IEC 17025-accredited calibration laboratory capable of certifying temperatures from -320°F to 2800°F. Its work spans built-to-order sensing solutions, turbine-engine instrumentation, and complex small-batch machining, with quality systems certified to ISO 9001 and AS9100D.TWINSBURG, OH
Marlin Manufacturing CorporationFounded in 1952 by John and Lillian Tymkewicz, Marlin Manufacturing Corporation grew from John’s work as a machinist and NACA innovator into a Cleveland company serving research and industrial customers. It is best known for the thermocouple connector developed from Tymkewicz’s early idea, and continues that temperature-instrumentation work with an ISO 9001:2015-registered quality system and an ISO 17025:2017-accredited metrology lab.CLEVELAND, OH
COTEMP SensingCOTEMP Sensing makes and tests temperature sensors for demanding industrial environments, from nuclear power plants to cryogenic hydrogen systems. The company combines more than 80 years of expertise with manufacturing sites across North America, Europe, and Asia, and has installed more than 50 million sensors worldwide. Its capabilities include specialized testing and an ISO 17025-certified calibration laboratory, including a 300mm instrumented wafer with 49 thermocouple measurement points for semiconductor applications.WEST CHESTER, PA
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