ARMN
| Union Pacific Railroad Company | 1 |
ARR
| Alaska Railroad | 1 |
BNFE
| Burlington Northern Fruit Express | 9 |
BNSF
| BNSF Railway | 5 |
BRE
| BRE | 1 |
BREX
| Burlington Refrigerator Express | 3 |
CO
| Chesapeake & Ohio | 1 |
CRYX
| Cryo-Trans Incorporated | 2 |
DSDX
| Dairy Shippers Despatch Co. | 1 |
FGEX
| Fruit Growers Express | 4 |
IMFX
| General American Transportation Corp. | 1 |
MILW
| Milwaukee Road | 9 |
NADX
| General Electric Rail Services | 1 |
NRDX
| Rail Logistics, LC | 2 |
NWX
| General Electric Rail Services | 2 |
PFE
| Pacific Fruit Express | 4 |
RBBN
| Burlington Northern | 1 |
SPFE
| Union Pacific Railroad Company | 5 |
URTX
| Union Refrigerator Transit Co. | 10 |
WFB
| WFB | 6 |
WFE
| Western Fruit Express | 3 |
WFEX
| Western Fruit Express | 5 |
WHI
| BURLINGTON NORTHERN RAILROAD | 1 |
WHIX
| WHIX | 2 |