Additional bus companies, listed as existing during 1930's, are mentioned in the WPA American Guide Series of state guidebooks.
Lead Belt Transit Lines - served Bonne Terre to Farmington and intermediate points.
Manley Bus Line - intercity served Excelsior Springs, Richmond, Lexington, Henrietta, Kansas City, St. Louis.
Marshall Boonville Moberly Stage Line - served Marshall, Boonville, Moberly, Columbia, intermediate points.
Victory Transit Lines - existed in 1930's, served Joplin.
Wathena-Troy Line - existed in 1930's, served St. Joseph.