Additional bus companies, listed as existing during additional years or decades, are mentioned in old City Directories, and in the WPA American Guide Series of state guidebooks.
Suburban and interurban bus companies listed in the Russell's Official National Motor Coach Guide, which was primarily a resource for intercity bus lines.
Capitol Bus Co./Capitol Trailways (Harrisburg to Hazleton to Wilkes Barre)
Beach Bus Lines - city service in West Hazleton.
Harwood Bus Line - existed in 1920's to 1930's.
Hazleton Berwick Bus Line - existed in 1940's to 1950's.
St. Johns Drums Bus Service - connected Hazleton with St. Johns Drums, Kyslin.
Horatio Siegfried - existed in 1920's to 1930's.
Hazleton-Sheppton Bus Service Co. - served Hazleton, Oneida, Sheppton.