AXXZ
| Agricultural Express of America | 1 |
CFKZ
| XTRA Intermodal | 4 |
CRZ
| Conrail Trailer | 1 |
ENGZ
| England | 1 |
FSTZ
| Fastrac Intermodal LLC | 8 |
RPWZ
| RPWZ | 2 |
SCSZ
| UPS Supply Chain Solutions | 2 |
TDIZ
| Thoroughbred Direct | 1 |
UPOZ
| United Parcel Service | 2 |
UPSZ
| United Parcel Service | 7 |
VTRZ
| Vermont Railway Incorporated | 2 |