ALM
| Arkansas Louisiana and Mississippi Railr | 1 |
CPOX
| Consumers Power Company (Mich.) | 1 |
GMO
| Gulf Mobile & Ohio | 1 |
IC
| Illinois Central | 5 |
KCS
| Kansas City Southern | 2 |
LN
| Louisville & Nashville | 2 |
NS
| Norfolk Southern | 1 |
SP
| Southern Pacific | 6 |
UP
| Union Pacific Railroad Company | 3 |