TSL-ESCHA is the worldwide market leader in the field of door opening push buttons. The usage of LED technology at the end of the eighties led to the development of further product families, such as signal and indicator lights as well as LED lighting solutions for buses, trains and emergency vehicles. The company develops, produces and distributes door opening push buttons, signal devices and LED lights. The products and solutions of TSL comply with the TSI-PRM transport technology standards. Our portfolio also includes robust LED lighting solutions for industry.