ALLZ
| Alliance Shippers Incorporated | 419 |
AXXZ
| Agricultural Express of America | 124 |
ENGZ
| England | 105 |
EXLZ
| EXLZ | 70 |
FFEZ
| Frozen Food Express | 116 |
JKCZ
| JKCZ | 3 |
KLMZ
| KLLM Transport Services | 5 |
KNTZ
| KNTZ | 2 |
MAR
| Martrac | 75 |
MTLZ
| Marten Truck Lines | 80 |
STTZ
| Stevens Transport | 34 |
TWLZ
| Trans West Logistics | 1 |