It was a prosperous time for the company marked by the stunning success of its Wheel of Fortune progressive slot, based on the hit TV show of the time. The 1990s saw IGT listed on the New York Stock Exchange as they expanded their services abroad to countries such as Argentina and South Africa. It was originally a Las Vegas-based gaming manufacturer, supplying slot machines and other technology to land-based casinos across the United States. IGT, or International Game Technology, has been around for many years and is one of the best-known names in the iGaming industry.