ATW
| Atlantic and Western | 2 |
BCOL
| Canadian National Railways | 1 |
BNSF
| BNSF Railway | 1 |
CHTT
| Chicago Heights Terminal Transfer | 1 |
CSX
| CSX Railroad | 3 |
DTI
| Detroit Toledo & Ironton | 1 |
GMRC
| Green Mountain RR | 1 |
GMRY
| Great Miami | 3 |
GTW
| Grand Trunk Western | 2 |
HS
| H and S Railroad Company | 1 |
IOCR
| Indiana and Ohio Central Railroad | 7 |
KRR
| Kiamichi | 2 |
NOKL
| Northwestern Oklahoma | 1 |
OAR
| Old Augusta Railroad | 1 |
QGRY
| Quebec Gatineau Railway Incorporated | 1 |
SOU
| Southern | 1 |
STMA
| St. Maries River Railroad Company | 1 |
TBOX
| TTX Company | 1 |