TR-Electronic is one of the leading companies on the world market, a manufacturer of industrial automation components, namely in the design and production of digital displacement measurement technologies. The company was founded in 1983, its activity was the development and manufacture of absolute reference sensors. In 1992, a subsidiary company TR-Systemtechnik GmbH was founded. In 1996, Unidor Industrieelektronik GmbH was acquired. And in October 2008, the merger of these two companies took place and the name was changed to TR-Electronic.