AOK
| Arkansas-Oklahoma Railroad | 4 |
ATSF
| Atchison Topeka & Santa Fe | 1 |
BN
| Burlington Northern | 11 |
BNSF
| BNSF Railway | 4 |
BO
| Baltimore & Ohio | 1 |
CNW
| Chicago & Northwestern | 7 |
CRLE
| Coe Rail Incorporated | 1 |
DRGW
| Denver & Rio Grande Western | 1 |
FURX
| First Union Rail | 1 |
HS
| H and S Railroad Company | 1 |
ITLX
| General Electric Rail Services | 1 |
KYLE
| Kyle Railroad | 1 |
LCGX
| Cargill Incorporated C.G.D. Division | 3 |
MP
| Missouri Pacific | 1 |
NAHX
| General Electric Rail Services | 2 |
NOKL
| Northwestern Oklahoma | 3 |
PTLX
| General Electric Rail Services | 2 |
RUSX
| First Union Rail | 1 |
SIRX
| Southern Illinois Railcar Company | 1 |
SOO
| Soo Line | 1 |
WAMX
| Webb Asset Management | 1 |