BKTY
| Union Pacific Railroad Company | 5 |
CIRR
| Chattahoochee Industrial Railroad | 2 |
CNA
| Canadian National Railways | 1 |
DRGW
| Denver & Rio Grande Western | 2 |
DWC
| Canadian National Railways | 1 |
SRNJ
| Southern Railroad Company of New Jersey | 1 |
TASD
| Terminal Alabama State Docks | 1 |
TRMX
| The Railroad Museum-TRM Industries | 2 |
UP
| Union Pacific Railroad Company | 2 |