ARMN
| Union Pacific Railroad Company | 5 |
BNSF
| BNSF Railway | 2 |
CRYX
| Cryo-Trans Incorporated | 2 |
MRRX
| Murphy Road Recycling LLC | 1 |
PFE
| Pacific Fruit Express | 4 |
SPFE
| Union Pacific Railroad Company | 1 |
UPFE
| Union Pacific Railroad Company | 1 |
URTX
| Union Refrigerator Transit Co. | 1 |