AOK
| Arkansas-Oklahoma Railroad | 1 |
CKIX
| C.K. Industries | 2 |
CNA
| Canadian National Railways | 1 |
COER
| Crab Orchard & Egyptian | 1 |
CSX
| CSX Railroad | 7 |
DWC
| Canadian National Railways | 2 |
EEC
| East Erie Commercial Railroad | 1 |
FBOX
| TTX Company | 2 |
IC
| Illinois Central | 1 |
LN
| Louisville & Nashville | 1 |
LRS
| Laurinburg and Southern | 1 |
MCVX
| Massuchusetts Call/Volunteer Firefighters Assoc. | 2 |
MP
| Missouri Pacific | 4 |
NYC
| New York Central | 1 |
RHSX
| CentralNew York Chapter NRHS | 1 |
SCL
| Seaboard Coast Line | 3 |
SLSF
| Saint Louis-San Francisco | 1 |
SOU
| Southern | 1 |
TBOX
| TTX Company | 3 |
WC
| Wisconsin Central | 1 |