http://www.autocue.com/

Autocue (The home of QTV teleprompters) has been the leading provider of teleprompters to the broadcast industry since their introduction in the 1950s. Today, Autocue has the broadest teleprompter range, with the leading hardware and software product at every price-point. Tens of thousands of users worldwide, ranging from schools and videographers to high-end broadcasters such as the BBC, NBC, MBC, Doordarshan, TF1 and CNN, rely on Autocue for their teleprompting needs.