Suburban and interurban bus companies listed in the Russell's Official National Motor Coach Guide, which was primarily a resource for intercity bus lines.
Reading Transportation Co./Reading Trailways (served Philadelphia and Allentown and Reading and Shamokin and Harrisburg and Lancaster)
Murphy Bus Lines - served Pottstown, Birdsboro, St. Peter, Boyertown, Reading.
Bethel Transit Co. - served Lebanon, Hamburg, Maystown, Fredericksburg, Mt. Aetna.