AWIU
| Allied Waste Industries | 8 |
CNAU
| CNAU | 1 |
CNRU
| Canadian National Railway | 6 |
FDXU
| FEDEX | 2 |
JBHU
| J. B. Hunt Transport Incorporated | 30 |
RBTU
| C H Robinson | 1 |
SNLU
| Schneider National | 7 |
SWRU
| Swift Intermodal | 4 |
TGHU
| Textainer Equipment Management | 1 |
UPSU
| United Parcel Service | 2 |