AVAZ
| CSX TRANSPORTATION, INC. | 3 |
BNZ
| Burlington Northern and Santa Fe Railway | 4 |
BOZ
| Baltimore & Ohio | 5 |
CNBB
| Canadian National Intermodal | 8 |
CNPZ
| Canadian National Railway | 18 |
CNWZ
| Chicago & Northwestern | 1 |
CP
| Canadian Pacific Railway | 3 |
MPZ
| Missouri Pacific | 3 |
TIPZ
| TIP Intermodal Services | 2 |
XTRA
| XTRA | 1 |
XTRZ
| XTRA Intermodal | 11 |