Bus companies generally listed in the July 1942 Russell's Guide or the 1952 Mass Transportation's Directory, and their predecessor and successor companies. This list is somewhat arbitrary and provides a general overview.
Clipper Lines - operated until 1944
Original route: Corinth-Red Bay AL
Parson & White Bus Line - operated until 1943
Original route: Natchez-McComb
Varnado Bus Line - operated until 1947 (to White Eagle Bus Lines/previous page)
Original route: Columbia-Gulfport
1945-1947 was Pearl River Valley Bus Line
Wasson Bus Line - operated until 1954
Original route: Clarksdale-Grenada