The document discusses television broadcasting in the UK. It notes that the industry is dominated by major broadcasters like the BBC, ITV, Channel 4, and Five. There are also many smaller independent production companies. The largest production companies have annual turnovers of £100-200 million. In 2008, the combined radio and TV industry contributed £3.2 billion to the UK economy, about 0.3% of total GDP. The BBC operates several international TV channels under its brand name through its commercial subsidiary BBC Worldwide. Domestically, the BBC operates 8 TV channels and over a dozen radio stations in the UK.