CSX Transportation
Gulf & Ohio Railways
Norfolk Southern
Walt Disney World
Watco
Aberdeen, Carolina & Western Railroad
Alexander Railroad
Amtrak
Atlantic Coast Line
Beaufort & Morehead
Boxley Quarries
Burlington Northern Santa Fe Railway (BNSF)
Caldwell County Railroad
Celanese Corporation
Chesapeake & Ohio
Clinchfield Railroad
Conrail Railroad
Craggy Mountain Line
Dollywood Express
Duke Energy
Evergreen Packaging
Family Lines System
Federal Railroad Administration
Georgia Northeastern Railroad / Blue Ridge Scenic Railroad
Graham County Railroad Company
Great Smoky Mountains Railroad
Illinios & Midland Railroad
Illinois Central Gulf Railroad
Illinois Southern
Lehigh Valley Coal Company
Louisville & Nashville Railroad
Lycoming Valley Railroad
Mead Paper Company
Motive Power & Equipment
New Hope Valley Railroad
Norfolk & Western
North Carolina Port Authority
North Carolina Transportation
Panama Canal Railroad
Piedmont & Northern
Rio Grande Railroad
San Angelo Tank Car Line
Santa Fe Railroad
Seaboard Air Line
Seaboard Coast Line
Southern Appalachia Railroad Museum
Southern Railway
Union Pacific