AOK
| Arkansas-Oklahoma Railroad | 1 |
ATW
| Atlantic and Western | 1 |
BCOL
| Canadian National Railways | 1 |
BNSF
| BNSF Railway | 1 |
HLSC
| Hampton Railway Incorporated | 1 |
NDYX
| First Union Rail | 1 |
NOKL
| Northwestern Oklahoma | 2 |
NRLX
| CIT Group/Capital Finance, Inc | 1 |
SMW
| St Marys Railway West LLC | 1 |
TTZX
| TTX Company-Centerbeam Flats | 5 |
UCRY
| Utah Central | 1 |
UP
| Union Pacific Railroad Company | 2 |
WC
| Wisconsin Central | 1 |