ALAB
| Alabama Railroad | 1 |
BCOL
| Canadian National Railways | 1 |
CIC
| Cedar Rapids & Iowa City | 2 |
CMHX
| CarMath Incorporated | 1 |
GMRC
| Green Mountain RR | 1 |
GNWR
| Genesee and Wyoming Railroad Company | 1 |
GTW
| Grand Trunk Western | 1 |
HCSX
| Helm Chesapeake LLP | 1 |
ICG
| Illinois Central Gulf | 1 |
LBR
| Lowville and Beaver River Railroad Compa | 1 |
MEC
| Maine Central | 3 |
MOT
| Marine Oil Transportation | 1 |
MRL
| Montana Rail Link | 1 |
NOKL
| Northwestern Oklahoma | 1 |
SOU
| Southern | 1 |
WC
| Wisconsin Central | 2 |