Sensience is a global manufacturer of highly engineered sensing, control, and sealing components; the company says it has developed sensing technologies for more than 80 years. Formerly Therm-O-Disc, it became a standalone business in 2022 after its purchase by One Rock Capital Partners. Its components are used in platforms ranging from appliances and refrigeration equipment to motor vehicles and aircraft.
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SensienceFormerly 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.CINCINNATI, OH
Tasseron Sensors IncWith roots in a Dutch company founded in 1920, Tasseron Sensors Inc. manufactures sensors and controls for HVAC, building automation, and OEM equipment, including custom temperature-sensing solutions. The North American subsidiary opened in 2004 and now builds many products at its Montoursville, Pennsylvania, manufacturing facility, drawing on a group history that includes more than 200 million custom sensors sold. Tasseron produces more than 1,000 sensor models annually and works with OEMs to tailor designs to their applications.MONTOURSVILLE, PA
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
Sentech, IncFounded in 1988 by an entrepreneurial couple, Sentech is a privately owned Pennsylvania manufacturer built around hands-on engineering and close customer relationships. It develops custom sensing solutions for demanding aerospace, defense, and industrial applications, manufacturing in the United States under ISO 9001:2015 and AS9100 Rev D quality systems.WILLOW GROVE, PA