Gol Transportes Aéreos is a low-cost airline base in São Paulo, Brazil. Gol is the second largest airline in Brazil with 38.6% of the Brazilian domestic market and 12.2% of the international market of flights from and to Brazil as of September 2007. It owns Varig airline and operates a growing domestic and international scheduled network. Its main hubs are São Paulo's Congonhas International Airport, Rio de Janeiro's Galeão International Airport and Brasília International Airport - Presidente Juscelino Kubitschek. Gol also has focus operations at Rio de Janeiro's Santos Dumont Airport, São Paulo's Guarulhos International Airport and Porto Alegre's Salgado Filho International Airport.