Therm-O-Disc Incorporated was founded in 1947 as a manufacturer of push button, toggle and rocker switches and is now a part of the Emerson family of products which includes sensors, resistors and other passive electronic components. Mainly used in automotive, power, consumer products, oil and gas industries. With highly customizable parts made to fit a customer’s specific application, it’s no wonder why so many manufacturers choose Emerson family products for their production. Our catalog includes: Pushbutton Switches, Rocker Switches, and Toggle Switches.