AVAZ
| CSX TRANSPORTATION, INC. | 1 |
CRZ
| Conrail Trailer | 1 |
LISZ
| LISZ | 1 |
MAR
| Martrac | 25 |
NWZ
| Norfolk & Western | 1 |
PRRZ
| PRRZ | 3 |
SCOZ
| Crab Orchard and Egyptian Railroad | 2 |
SFVZ
| Burlington Northern and Santa Fe Railway Company | 1 |
SKRZ
| XTRA Intermodal | 1 |
TDSZ
| Transamerica Distribution Services Incor | 1 |
TNEZ
| TNEZ | 1 |
UPSZ
| United Parcel Service | 1 |
VTRZ
| Vermont Railway Incorporated | 1 |
XTRZ
| XTRA Intermodal | 3 |