Genesee & Wyoming Inc. is an American short-line railroad holding company that owns or maintains interests in 120 railroads throughout five countries (the United States, Canada, Australia, Belgium, Netherlands and the United Kingdom), and operates more than 15,500 miles (24,900 km) of owned and leased track, with more than 3,300 miles (5,300 km) under additional track-access arrangements. The company had its roots in the Class III Genesee and Wyoming Railroad, which began in 1899.