The Kansas City Southern Railway Company was an American Class I railroad. Founded in 1887, it operated in 10 Midwestern and Southeastern U.S. states: Illinois, Missouri, Kansas, Oklahoma, Arkansas, Tennessee, Alabama, Mississippi, Louisiana and Texas. KCS had the shortest north-south rail route between Kansas City, Missouri, and several key ports along the Gulf of Mexico.

The Canadian Pacific Railway, also known simply as CPR or Canadian Pacific and formerly as CP Rail (1968–1996), was a Canadian Class I railway incorporated in 1881. The railway was owned by Canadian Pacific Railway Limited, which began operations as legal owner in a corporate restructuring in 2001.