ACFX
| General Electric Rail Services | 2 |
ADMX
| ADM Transportation Company | 2 |
FURX
| First Union Rail | 1 |
GATX
| General American Marks Company | 20 |
NATX
| General Electric Rail Services | 3 |
PROX
| Procor Limited | 1 |
PTLX
| General Electric Rail Services | 1 |
SRIX
| Southwest Rail Industries Incorporated | 1 |
TCIX
| Trinity Chemical Leasing LLC | 1 |
TILX
| Trinity Industries Leasing Company | 4 |
UTLX
| Union Tank Car Company | 14 |