An industry leader in LED and Fluorescent main and emergency lighting along with energy storage devices for the interior and exterior of rail vehicles since 1989. TDG has facilities in Canada, France, China, India, the UK and the United States and are the proud developers of several LED innovations within the Rail Industry including Capacitive Storage / Capacitor based emergency lighting system, Hybrid Emergency Energy Storage Systems, and LCUs designed to meet all new APTA / FRA independent emergency power requirements as well as offering systems with full compliance to EN 13272, GM/RC2531, JIS E4016, and other global lighting standards We specialize in design and development of LED, MicroLED, & OLED lighting systems as well as firmware based energy storage devices with in-house SMT and full manufacture capabilities.