Main routes generally still existed in 1976.
Red Ball Stage Line - operated until 2003
Original route: Klamath Falls-Lakeview-Burns
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.
Blue Mountain Stage Co. - operated until 1950
Operated various directions from Canyon City
Oregon Motor Stages - operated 1931-1953 (to Pacific Greyhound Lines)
Original route: Portland-Forest Grove-Astoria
Valley Motor Stages - operated until 1949 (to Pacific Trailways)
Original route: Albany-Bend
1944-1947 service suspended
After 1947 was Santiam Stages
Wallowa Valley Stages - operated until 1964
Original route: Joseph-La Grande