TDG Transit Design Group (TDG) is a global engineering, design, and advanced manufacturing company delivering innovative, reliable, and sustainable green technology solutions for the rail, transportation, and national security sectors.
Since 1989, TDG has supported complex transportation programs worldwide, evolving alongside advancements in solid-state lighting, controls, and energy technologies. Today, we specialize in advanced LED, OLED, and MicroLED main and emergency lighting systems, custom exterior headlight and marker/signature solutions, smart ceiling systems, and next-generation emergency energy storage technologies engineered for demanding environments.
With operations across Canada, the United States, Europe, and Asia, TDG provides integrated design, engineering, testing, and full-scale manufacturing capabilities, supported by advanced research and development (R&D) and dedicated SMT manufacturing capabilities within the TDG group.
TDG develops much of its technology internally and holds multiple patents and proprietary innovations across global markets. Our work includes capacitor-based emergency lighting systems, hybrid emergency energy storage solutions, firmware- and software-based smart controllers, and intelligent ceiling architectures designed to improve safety, reduce energy consumption, and enhance passenger experience.
Our systems are engineered to meet global rail, transit, and national security safety, emergency egress, and regulatory compliance requirements.
At TDG, innovation isn’t just about what’s possible — it’s about what’s useful, scalable, and built to perform in the real world.