Opera Software ASA is a Norwegian software company, primarily known for its Opera family of web browsers with over 300 million users worldwide. Opera Software is also involved in promoting Web standards through participation in the W3C. The company has its headquarters in Oslo, Norway and is listed on Oslo Stock Exchange. The company also has offices in Sweden, Poland, the People's Republic of China, Japan, South Korea, The Republic of China, Australia, Russia, Ukraine, Iceland, Singapore and the United States. Opera's stated vision is "to deliver the best Internet experience on any device."