ABFU
| ABFU | 2 |
ASIU
| Alliance Shippers Inc | 1 |
CREU
| C.R. England | 7 |
EMHU
| EMP | 23 |
ESTU
| ESTU | 2 |
HGIU
| Hub Group, Inc. | 8 |
HGRU
| HGRU | 3 |
HGWU
| Hub Group | 1 |
HNUU
| HNUU | 2 |
JBHU
| J. B. Hunt Transport Incorporated | 2 |
OSDU
| OSDU | 1 |
PRIU
| PRIU | 2 |
SNLU
| Schneider National | 95 |
STTU
| Shirlstar Container Transport Limited | 1 |
SWRU
| Swift Intermodal | 7 |
UMXU
| U Max | 63 |
UPSU
| United Parcel Service | 4 |
WAMU
| WAMU | 1 |
WARU
| WARU | 1 |
XPOU
| XPOU | 1 |