1903-1922, 1963-present, railway company and heritage railway, Wales Welshpool & Llanfair Light Railway 1903 - 1922
1845-1846, railway and canal company, United Kingdom Nottingham & Grantham Railway & Canal Company 1845 - 1846
1865-1887, railway company, Scotland, United Kingdom Girvan & Portpatrick Junction Railway 1865 - 1887
1901-1950 (when line closed), railway company, Queenborough to Leysdown Sheppey Light Railway 1901 - 1950