AOK
| Arkansas-Oklahoma Railroad |
|
0
|
1
| AOK |
ATW
| Atlantic and Western |
|
0
|
1
| ATW |
BRG
| Brownsville and Rio Grande International Railroad |
|
1
|
0
| BRG |
FSRR
| FerroSur |
|
1
|
0
| FSRR |
GNRR
| Georgia Northeastern |
|
0
|
1
| GNRR |
HS
| H and S Railroad Company |
|
0
|
1
| HS |
NKCR
| Nebraska, Kansas & Colorado RailNet, Inc |
|
0
|
1
| NKCR |
TM
| Texas-Mexican |
|
0
|
2
| TM |
TR
| Tomahawk Railway L.P. |
|
0
|
1
| TR |