Mostly known as a university town, Tartu is also a site of heavy industry. In the beginning of the 21st century, many ICT enterprises and other high-tech companies have taken a foothold in Tartu. Notable examples include Playtech Estonia, Webmedia, ZeroTurnaround, Tarkon, Regio and Raintree Estonia. Skype has an office in Tartu. The university is one of the largest employers, which explains the large proportion of highly skilled professionals – researchers, professors, doctors
