AOK
| Arkansas-Oklahoma Railroad | 2 |
BTFX
| BROWNER TURNOUT COMPANY | 2 |
CAIX
| CAI Rail Inc. | 2 |
CP
| Canadian Pacific Railway | 2 |
CW
| Colorado and Wyoming | 5 |
GNWR
| Genesee and Wyoming Railroad Company | 3 |
IARX
| InStar Leasing | 2 |
IORY
| Indiana & Ohio | 1 |
JTSX
| Joseph Transportation Incorporated | 1 |
PEYX
| Transportation Technology Services Inc | 6 |
SNC
| Saratoga & North Creek Railway | 1 |
SOO
| Soo Line | 1 |
SP
| Southern Pacific | 2 |
SSW
| St Louis Southwestern (Cotton Belt) | 2 |
TTJX
| TTX Company-Bulkhead Flats | 1 |
TTPX
| TTX Company - Bulkhead Flats | 2 |
UP
| Union Pacific Railroad Company | 5 |