CN
| Canadian National Railways | 1 |
COER
| Crab Orchard & Egyptian | 1 |
CR
| Conrail | 10 |
CSS
| Chicago South Shore And South Bend | 2 |
CSX
| CSX Railroad | 1 |
GRW
| Gary Railway | 4 |
IHB
| Indiana Harbor Belt | 1 |
NS
| Norfolk Southern | 4 |
NW
| Norfolk & Western | 1 |
NYC
| New York Central | 3 |
WC
| Wisconsin Central | 1 |