Formerly known as Therm-O-Disc, Sensience has more than 80 years of experience developing sensing technologies for manufacturers of appliances, climate-control equipment and other demanding systems. Now an independent business since 2022, it produces nearly one billion engineered components annually, with a particular reputation for glass-to-metal hermetic sealing and a global network of manufacturing and engineering sites.
UL Certification for A2L Gas Sensing
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UL 60335-2-40 Compliance
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EcoVadis Silver Medal
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SensienceFormerly Therm-O-Disc, Sensience has spent more than 80 years making engineered sensing, control and sealing components for systems ranging from appliances and HVAC equipment to aircraft. The company produces nearly one billion components annually and is particularly known for glass-to-metal hermetic sealing, supported by engineering centers and manufacturing sites around the world. Sensience became a standalone business in 2022 and is headquartered in Central Ohio.WESTERVILLE, OH
Spectron SensorsSince its founding in 1947 as Spectron Glass Laboratories, Spectron Sensors has built its identity around American-made sensor engineering in Long Island, New York. The company first produced neon signs before shifting to electrolytic tilt-sensor work for Sperry Gyroscope in 1948, then developing proprietary technology for demanding aerospace, military, and industrial applications. Its staff works directly with customers’ engineers on custom sensing solutions, including equipment designed for extreme environments.HAUPPAUGE, NY
YAGEO GROUPYAGEO Nexensos is the global leader in delivering maximum reliability for high-precision temperature sensing solutions. The company has been at the forefront of innovation for over 100 years, supporting industries with advanced technologies. YAGEO Nexensos' platinum temperature sensors are renowned for exceptional stability, repeatability, and fast response times.YARDLEY, PA
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