International Game Technology is a Nevada based company specializing in the design, development, manufacturing, sales and distribution of gaming machines and network system products internationally, as well as online and mobile gaming solutions for regulated markets. The company‘s main offices are in Las Vegas and Reno with other offices around the United States. Outside of the USA the company has been involved in online gaming since 2005. IGT has interactive offices in San Francisco, London and Manchester, UK. - Source: Wikipedia