These bus companies, otherwise unidentified, ceased operations by the early 1920's.
C. H. Akers (original route: Phoenix-Buckeye)
Bayless-Johnson Co. (original route: Casa Grande-Florence)
O. F. Beutke (original route: Phoenix-Riverside Park)
Bisbee-Cochise Stage (original route: Bisbee-Cochise)
Don Luis Stage (original route: Bisbee-Don Luis)
Fike's Stage Line (original route: Phoenix-Tempe/Mesa/Chandler/Gilbert)
Operated 1913-1918/1918-1919 was Egypt Stage Co./1919 to Union Auto Transportation Co.
Gibson Stage (original route: Miami-Bellevue)
William Branch Gill (original route: Mayer-Stoddard)
Goodyear Stage Line (original route: Chandler-Goodyear)
Holbrook-Ft. Apache Stage (original route: Holbrook-Ft. Apache)
J. D. Houck (original route: Phoenix-Cave Creek)
1922-1924 operated by Trumen Galyen
Lee Jones (original route: Mayer-Blue Bell)
Jones-Kittle Stage Co. (original route: Phoenix-Superior)
Operated 1916-1919/1919 to Union Auto Transportation Co.
Ed Meyers (original route: Ray-Ray Jct.)
Oracle Stage (original route: Oracle-Tucson)
Prescott-Jerome Stage Line (original route: Prescott-Jerome)
Ray Motor Co. (original route: Ray-Ray Jct./Superior/Sonora/Phoenix)
F. J. Robles (original route: Tucson-Silverbell)
Previously operated by Bohn's Auto Stage, later Gladys Barron
Somerton-Gadsden Stage (original route: Somerton-Gadsden)
A. A. Stock (original route: Kirkland-Yavapai Mining Co.)
A. A. Stukey (original route: Prescott-Walker)
Valentine & Wilson (original route: Globe/Miami/Mountain View/Midland City)
M. G. Wagner & John Barry (original route: Kingman-Katherine Mine)
Lewis Williams (original route: Phoenix-Litchfield)
J. E. Wish (original route: Phoenix-Arlington)
1919 to Lewis Williams