ALS
| Alton & Southern Railway | 2 |
BBCX
| ABB Power Generation Incorporated | 1 |
BN
| Burlington Northern | 5 |
BO
| Baltimore & Ohio | 2 |
CGW
| Chicago Great Western | 1 |
CNW
| Chicago & Northwestern | 2 |
CR
| Conrail | 3 |
GTW
| Grand Trunk Western | 1 |
GVNW
| GVNW | 2 |
GWWR
| Gateway Western | 4 |
IC
| Illinois Central | 3 |
ICG
| Illinois Central Gulf | 1 |
KCS
| Kansas City Southern | 2 |
MIDL
| MIDL | 1 |
MP
| Missouri Pacific | 1 |
MRS
| Manufacturers Railway | 2 |
SP
| Southern Pacific | 2 |
TRRA
| Terminal RR of St Louis | 4 |
UNKN
| UNKN | 2 |