Therm-O-Disc was founded in 1947. Today, as a subsidiary of Emerson and a part of Emerson Appliance Solutions and Emerson Climate Technologies, the company is recognized among the world leaders in the design and manufacture of temperature sensors and controls for the heating, ventilation, air conditioning, appliance, automotive, and electronics industries. With offices in the United States, China, Canada, Mexico, the Netherlands, the United Kingdom, Hong Kong, Japan, South America, India and Korea, Therm-O-Disc serves the worldwide market and plays an important role in Emerson's appliance, HVAC, automotive and electronics businesses. Therm-O-Disc maintains a location in Mansfield, Ohio.