CKIX
| C.K. Industries | 1 |
CMHX
| CarMath Incorporated | 4 |
DME
| Dakota, Minnesota and Eastern | 1 |
DRGW
| Denver & Rio Grande Western | 4 |
HPJX
| Helm-Pacific Leasing | 1 |
MP
| Missouri Pacific | 5 |
MWCX
| Midwest Railcar Corporation | 9 |
SP
| Southern Pacific | 7 |
SSW
| St Louis Southwestern (Cotton Belt) | 8 |
UP
| Union Pacific Railroad Company | 5 |