Transistor Diodes, energybank is LED done right. Commercial LED lighting. Industrial LED lighting. We simply make a better LED lighting system than anything else on the market. We design, innovate and integrate high output LED lighting systems for commercial, industrial and retail applications interior and exterior that are easy to install, require zero maintenance, heighten the aesthetics of any space and enhance productivity. Made In the USA. CEO & Founder Neal R. Verfuerth. Kits; Leds; Lights; Poles; Rectifiers and ...