AERC
| Albany and Eastern Railroad Company | 1 |
ATSF
| Atchison Topeka & Santa Fe | 87 |
BN
| Burlington Northern | 56 |
CN
| Canadian National Railways | 144 |
FXE
| Ferromex | 2 |
GNBC
| Grainbelt Corporation | 13 |
KO
| Kansas & Oklahoma | 3 |
MNNR
| Minnesota Commercial | 2 |
NKCR
| Nebraska, Kansas & Colorado RailNet, Inc | 6 |
PCC
| Palouse River and Coulee City | 2 |
POTB
| Port of Tillamook Bay | 2 |
RRVW
| Red River Valley and Western Railroad | 7 |
TCWR
| Twin Cities and Western | 1 |
WAMX
| Webb Asset Management | 1 |
WIMX
| Wimpey Minerals USA, Inc. | 1 |
WP
| Western Pacific | 1 |