ACFX
| General Electric Rail Services | 1 |
BNFT
| Burlington Northern Fuel Tender | 2 |
BNSF
| BNSF Railway | 2 |
CELX
| Celtran Incorporated (Hoechst Celanese Corp) | 2 |
CRGX
| Cargill Incorporated | 1 |
CSX
| CSX Railroad | 1 |
GN
| Great Northern | 1 |
KCS
| Kansas City Southern | 3 |
NW
| Norfolk & Western | 1 |
SBD
| Seaboard System | 4 |
SCL
| Seaboard Coast Line | 1 |
UTLX
| Union Tank Car Company | 2 |