APLU
| American President Lines Limited | 1 |
BNSF
| BNSF Railway | 1 |
CREU
| C.R. England | 2 |
CSXU
| CSX Transportation Incorporated | 12 |
JBHU
| J. B. Hunt Transport Incorporated | 1 |
MSCU
| Mediterranean Shipping Company S.A. | 2 |
NYCU
| New York Central | 2 |
NYKU
| N.Y.K. Line | 2 |
SEAU
| Sea-Land Service Incorporated | 4 |
SFTU
| Burlington Northern and Santa Fe Railway Company | 1 |
UMXU
| U Max | 14 |
UNXU
| UNXU | 1 |