BKTY
| Union Pacific Railroad Company | 11 |
EEC
| East Erie Commercial Railroad | 19 |
GMRC
| Green Mountain RR | 1 |
GTRA
| Golden Triangle Railroad | 1 |
HS
| H and S Railroad Company | 4 |
MDW
| Minnesota Dakota and Western Railway Com | 1 |
NS
| Norfolk Southern | 1 |
SP
| Southern Pacific | 2 |
WRWK
| Providence & Worchester Railroad | 1 |