ATSF
| Atchison Topeka & Santa Fe | 2 |
BN
| Burlington Northern | 4 |
CN
| Canadian National Railways | 1 |
CNW
| Chicago & Northwestern | 2 |
CR
| Conrail | 4 |
CSX
| CSX Railroad | 2 |
CW
| Colorado and Wyoming | 1 |
DME
| Dakota, Minnesota and Eastern | 1 |
DRGW
| Denver & Rio Grande Western | 1 |
GSSX
| Gopher State Scrap and Metal | 3 |
GWWR
| Gateway Western | 4 |
HZGX
| Herzog Contracting Corporation | 1 |
IMRL
| I&M Rail Link | 1 |
KCS
| Kansas City Southern | 3 |
MKT
| Missouri-Kansas-Texas | 1 |
MP
| Missouri Pacific | 19 |
NSAX
| National Steel Corporation | 1 |
NW
| Norfolk & Western | 1 |
NYC
| New York Central | 1 |
OHFX
| Fluor Daniel Fernald | 1 |
RSS
| Rockdale, Sandow & Southern Railroad | 2 |
SP
| Southern Pacific | 1 |
TFM
| Kansas City Southern De Mexico | 1 |