The Atlantic Greyhound Lines, a highway-coach carrier, was a Greyhound regional operating company, based in Charleston, West Virginia, USA, from 1931 until 1960, when it became merged with the Southeastern Greyhound Lines, a neighboring operating company, thus forming the Southern Division of The Greyhound Corporation, which division became called also the Southern Greyhound Lines (GL).

The Tennessee Coach Company (TCC) was a regional highway-coach carrier, founded in 1928 and based in Knoxville, Tennessee, USA. It was in operation until 1976, when it became merged into the Continental Tennessee Lines, a subsidiary of the Transcontinental Bus System, called also the Continental Trailways. Continental Trailways was by far the largest member company in the Trailways trade association, which was then named the National Trailways Bus System.