BN
| Burlington Northern | 2 |
CO
| Chesapeake & Ohio | 6 |
CP
| Canadian Pacific Railway | 2 |
CR
| Conrail | 1 |
CSX
| CSX Railroad | 1 |
DTI
| Detroit Toledo & Ironton | 1 |
DTS
| Detroit & Toledo ShoreLine | 1 |
GTW
| Grand Trunk Western | 9 |
IAIS
| Iowa Interstate | 1 |
IHB
| Indiana Harbor Belt | 1 |
SOO
| Soo Line | 1 |