AMTK
| Amtrak | 1 |
ARMN
| Union Pacific Railroad Company | 3 |
ATSF
| Atchison Topeka & Santa Fe | 1 |
BNFE
| Burlington Northern Fruit Express | 9 |
BNSF
| BNSF Railway | 1 |
BREX
| Burlington Refrigerator Express | 1 |
CGFX
| Consolidated Gas Company of Florida | 1 |
CRYX
| Cryo-Trans Incorporated | 899 |
DMIR
| Duluth Missabe & Iron Range | 1 |
FURX
| First Union Rail | 1 |
GPEX
| General American Pfaudler | 1 |
JRSX
| J.R. Simplot Company | 1 |
LINX
| LINX | 1 |
MILW
| Milwaukee Road | 1 |
NP
| Northern Pacific | 2 |
NRDX
| Rail Logistics, LC | 5 |
SOO
| Soo Line | 1 |
SRLX
| Southern Rail Leasing Incorporated | 1 |
URTX
| Union Refrigerator Transit Co. | 2 |
WCLX
| Wilson Car Lines | 1 |
WFCX
| Western Farmers Electric Cooperative | 1 |
WHIX
| WHIX | 1 |