Powerlinx Inc. develops, manufactures, and markets products and applications that transmit voice, video, audio, and data over power lines, twisted-pair wires, and coax in AC and DC power environments on all power grids. It is also involved in developing, manufacturing, and marketing underwater video cameras, lights, and accessories for the marine, commercial, and consumer retail markets, as well as accident avoidance systems for small and large vehicles. The company sells its products to original equipment manufacturers, dealers, distributors, retailers, and consumers primarily in North America and internationally. The company was formerly known as Seaview Video Technology, Inc. and changed its name to Powerlinx Inc. in December 2003. Powerlinx Inc. was incorporated in 1986 and is based in St. Petersburg, Florida.