Powerlinx, Inc. engages in the development, manufacture and marketing of voice, video, audio, and data products and applications. It operates through the following segments: Security, DC Transportation, and Marine Products. The Security Products segment develops, manufactures, markets and sells proprietary video security network devices and consumer electronic products. The DC Transportation Products segment includes power line rear and side vision systems for all classes and types of vehicles. The Marine Products segment comprises of underwater video cameras, lighting and accessories to marine and fishing professionals. The company was founded in 1986 and is headquartered in St. Petersburg, FL.