AOK
| Arkansas-Oklahoma Railroad | 2 |
ATSF
| Atchison Topeka & Santa Fe | 1 |
BN
| Burlington Northern | 1 |
BNSF
| BNSF Railway | 4 |
CHTT
| Chicago Heights Terminal Transfer | 1 |
CNW
| Chicago & Northwestern | 3 |
CRDX
| Chicago Freight Car Leasing Company | 6 |
DGNO
| Dallas Garland & Northeastern | 3 |
DJJX
| Joseph Transportation Incorporated | 2 |
ICE
| Iowa Chicago and Eastern | 2 |
MP
| Missouri Pacific | 4 |
NOKL
| Northwestern Oklahoma | 3 |
SP
| Southern Pacific | 1 |