Genesee & Wyoming Inc. (G&W) is an American short line railroad holding company, that owns or maintains an interest in 122 railroads in the United States, Canada, Belgium, Netherlands, Poland and the United Kingdom. It operates more than 13,000 miles (21,000 km) of owned and leased track. The company had its roots in the Class III Genesee and Wyoming Railroad, which began in 1899.