CSX
| CSX Railroad | 1 |
CSXZ
| CSX Transportation Incorporated | 1 |
EREZ
| EREZ | 1 |
LNZZ
| Louisville & Nashville | 4 |
NWZ
| Norfolk & Western | 1 |
RCRZ
| RCRZ | 3 |
REAZ
| Transamerica Leasing Incorporated | 1 |
SBDZ
| CSX Transportation Incorporated | 1 |
SFTZ
| Santa Fe | 1 |
TA
| TA | 1 |
VTRZ
| Vermont Railway Incorporated | 2 |
WOLZ
| H. O. Wolding Incorporated | 1 |