AMTK
| Amtrak | 6 |
ARMN
| Union Pacific Railroad Company | 8 |
BAR
| Bangor & Aroostook | 1 |
BML
| Belfast & Mooshead Lake | 1 |
CRYX
| Cryo-Trans Incorporated | 2 |
CSX
| CSX Railroad | 3 |
IPFX
| HERITAGE RAIL LEASING LLC | 1 |
JRSX
| J.R. Simplot Company | 4 |
MDT
| Merchants Despatch Transportation | 5 |
PFE
| Pacific Fruit Express | 1 |
TPIX
| Tropicana Transportation Corp | 6 |
YKR
| York Rail | 1 |