CNA
| Canadian National Railways | 1 |
HPJX
| Helm-Pacific Leasing | 1 |
KCS
| Kansas City Southern | 1 |
LC
| Lancaster & Chester | 1 |
MDW
| Minnesota Dakota and Western Railway Com | 1 |
MP
| Missouri Pacific | 2 |
SP
| Southern Pacific | 1 |
SSW
| St Louis Southwestern (Cotton Belt) | 1 |
UP
| Union Pacific Railroad Company | 1 |