CO
| Chesapeake & Ohio | 1 |
CSX
| CSX Railroad | 3 |
FPBX
| International Paper Corporation | 1 |
LN
| Louisville & Nashville | 3 |
NS
| Norfolk Southern | 1 |
NYC
| New York Central | 1 |
RJCC
| R.J. Corman Railroad/Kentucky Lines | 3 |
SCL
| Seaboard Coast Line | 1 |
SP
| Southern Pacific | 2 |
SPSX
| Progress Rail Services Corp | 1 |