ARMN
| Union Pacific Railroad Company | 12 |
ARTX
| Artrain | 1 |
BNFE
| Burlington Northern Fruit Express | 1 |
BNSF
| BNSF Railway | 4 |
CRYX
| Cryo-Trans Incorporated | 6 |
CSX
| CSX Railroad | 2 |
DOT
| DOT | 1 |
FGEX
| Fruit Growers Express | 1 |
GPEX
| General American Pfaudler | 1 |
JRSX
| J.R. Simplot Company | 1 |
JRTX
| JRTX | 1 |
PBRX
| TYSON FRESH MEATS | 1 |
PRR
| Pennsylvania Railroad | 2 |
REX
| Railway Express Agency, Inc. | 2 |
SRLX
| Southern Rail Leasing Incorporated | 6 |
TILX
| Trinity Industries Leasing Company | 1 |
TPIX
| Tropicana Transportation Corp | 10 |
UPFE
| Union Pacific Railroad Company | 1 |
URTX
| Union Refrigerator Transit Co. | 13 |