AOK
| Arkansas-Oklahoma Railroad | 8 |
ATW
| Atlantic and Western | 5 |
BCOL
| Canadian National Railways | 2 |
BNSF
| BNSF Railway | 8 |
CAGY
| Columbus & Greenville Railway | 1 |
CHTT
| Chicago Heights Terminal Transfer | 1 |
CN
| Canadian National Railways | 2 |
COER
| Crab Orchard & Egyptian | 2 |
DWC
| Canadian National Railways | 4 |
EEC
| East Erie Commercial Railroad | 1 |
GAEX
| General American Marks Company | 2 |
HLSC
| Hampton Railway Incorporated | 1 |
LRS
| Laurinburg and Southern | 2 |
LW
| Louisville and Wadley Railway Company | 2 |
MSRC
| Kansas City Southern | 5 |
NOKL
| Northwestern Oklahoma | 4 |
NRLX
| CIT Group/Capital Finance, Inc | 1 |
SMW
| St Marys Railway West LLC | 1 |
SOO
| Soo Line | 2 |
SRY
| Southern Railway of British Columbia Lim | 1 |
TR
| Tomahawk Railway L.P. | 7 |
TTZX
| TTX Company-Centerbeam Flats | 51 |
UP
| Union Pacific Railroad Company | 11 |
WC
| Wisconsin Central | 1 |
WCRC
| Washington Central | 5 |