BN
| Burlington Northern | 1 |
BNSF
| BNSF Railway | 2 |
BR
| Buffalo and Pittsburgh | 1 |
BRC
| Belt Railway of Chicago | 1 |
CR
| Conrail | 2 |
CSX
| CSX Railroad | 17 |
CWRX
| CWR TRANSPORTATION CO. | 2 |
HZGX
| Herzog Contracting Corporation | 4 |
IC
| Illinois Central | 3 |
ICG
| Illinois Central Gulf | 4 |
ICX
| INDUSTRIAL CHEMICALS TRANSIT CO | 1 |
MG
| MG | 2 |
NS
| Norfolk Southern | 6 |
NW
| Norfolk & Western | 9 |
PETX
| Penta | 3 |
RMSX
| Pandrol Jackson Incorporated | 7 |
SOU
| Southern | 29 |
THM
| THM | 2 |
TRI
| TRI | 2 |
TYOX
| The Tie Yard Of Omaha Inc. | 4 |
UP
| Union Pacific Railroad Company | 1 |