Transport in Norway fjords and lack of rail transport, regional airline travel provides quick travel within the region or to the capital. Major airlines based in Norway are Scandinavian Airlines, Norwegian Air Shuttle and Widerøe. Of the 98 airports in Norway, 51 are public, and 46 are operated by the state-owned Avinor. Seven airports have more than one million passengers annually. 41,089,675 passengers passed through Norwegian airports in 2007, of which 13,397,458 were international. The main gateway by air to Norway is Oslo Airport, Gardermoen, located about north of Oslo with departures to most European countries and some intercontinental destinations. It is hub
Industrial Development Corporation of Norway of 15 science- and 10 research parks, 20 incubators, 45 business gardens, 12 venture capital institutions and 4 research and development companies. SIVA cooperates closely with the Research Council of Norway and Innovation Norway. Industrial Development Corporation of Norway The Industrial Development Corporation of Norway or SIVA () is a Norwegian state enterprise responsible for government investment in incubators, science parks, industrial parks and real estate through partial ownership of other companies. The ultimate goal is to stimulate economic growth, through strengthening Norway's capacity related to innovation and creativity. SIVA is based in Trondheim, where it employs almost 40 people.