BCOL
| Canadian National Railways | 5 |
CR
| Conrail | 12 |
CSX
| CSX Railroad | 7 |
HPJX
| Helm-Pacific Leasing | 2 |
IBT
| International Bridge and Terminal Company | 9 |
IC
| Illinois Central | 4 |
KCS
| Kansas City Southern | 1 |
LC
| Lancaster & Chester | 13 |
MP
| Missouri Pacific | 10 |
NS
| Norfolk Southern | 3 |
NYC
| New York Central | 12 |
RRLX
| Rail Logistics, LC | 1 |
SP
| Southern Pacific | 1 |
SSW
| St Louis Southwestern (Cotton Belt) | 2 |
WCOR
| Wellsboro and Corning Railroad Company | 6 |
WRWK
| Providence & Worchester Railroad | 5 |