CN
| Canadian National Railways | 1 |
CNIS
| Canadian National Railways | 1 |
CPI
| Canadian Pacific Railway | 1 |
DWC
| Canadian National Railways | 2 |
HPJX
| Helm-Pacific Leasing | 2 |
MAMX
| Mammoet USA, Inc | 1 |
NS
| Norfolk Southern | 1 |
SOU
| Southern | 4 |
TTPX
| TTX Company - Bulkhead Flats | 1 |