AGR
| Alabama and Gulf Coast | 1 |
BN
| Burlington Northern | 7 |
CNW
| Chicago & Northwestern | 7 |
CP
| Canadian Pacific Railway | 2 |
CPAA
| Canadian Pacific Railway | 1 |
CSX
| CSX Railroad | 3 |
CUOH
| Columbus and Ohio River Railroad Company | 4 |
GNWR
| Genesee and Wyoming Railroad Company | 4 |
GTW
| Grand Trunk Western | 1 |
HESR
| Huron and Eastern | 1 |
HS
| H and S Railroad Company | 1 |
IATR
| Iowa Traction Railroad Company | 2 |
IC
| Illinois Central | 1 |
ICG
| Illinois Central Gulf | 1 |
KCS
| Kansas City Southern | 1 |
KWT
| KWT Railway | 1 |
KYLE
| Kyle Railroad | 1 |
MP
| Missouri Pacific | 1 |
MQT
| Marquette Rail | 5 |
MSDR
| Knoxville & Holston River Railroad | 1 |
NOPB
| New Orleans Public Belt Railroad | 1 |
ONT
| Ontario Northland Railway | 3 |
SLGG
| Progress Rail Services Corporation | 2 |
SOU
| Southern | 25 |
SSAM
| Sault Ste. Marie Bridge Company (Canadia | 3 |
WCCL
| Wisconsin Central | 6 |
WE
| Wheeling & Lake Erie | 1 |
WLO
| Waterloo Railway Company (Illinois Central) | 5 |
WTRM
| Warren and Trumbull Railroad Company | 2 |