Formerly 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.
UL 60335-2-40 Compliant
certification
UL Certification for A2L Gas Sensing
certification
EcoVadis Silver Medal
compliance_program
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
Sur-SealFounded in Cincinnati in 1965 as a family-owned business, Sur-Seal manufactures engineered components that solve sealing, insulation, thermal-management and protection challenges. Its custom-converting work ranges from precision gaskets to molded and extruded parts, supported by engineering services and a manufacturing network that now spans the United States, Mexico and China. Sur-Seal’s history includes making gaskets for the Apollo missions, while its combined operations now encompass more than 400,000 square feet and over 500 employees.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
Standex ElectronicsSince 1969, Standex Electronics has grown from a single precision manufacturing operation into a global manufacturer of mission-critical electronic components, including switching and sensing technologies, power magnetics, and instrument transformers. Based in Fairfield, Ohio, the wholly owned Standex International subsidiary combines custom engineering with a worldwide manufacturing and design footprint, serving demanding applications from transportation and medical equipment to aerospace and the electrical grid. Its three operating divisions—Standex Detect, Standex Edge, and Standex Grid—bring together capabilities expanded through decades of acquisitions and customer partnerships.FAIRFIELD, OH