ARMN
| Union Pacific Railroad Company | 27 |
CRYX
| Cryo-Trans Incorporated | 13 |
FGEX
| Fruit Growers Express | 1 |
JRSX
| J.R. Simplot Company | 7 |
LINX
| LINX | 1 |
MDT
| Merchants Despatch Transportation | 1 |
NMF
| NMF | 2 |
SRLX
| Southern Rail Leasing Incorporated | 1 |
URTX
| Union Refrigerator Transit Co. | 1 |
YKR
| York Rail | 1 |