BCOL
| Canadian National Railways | 8 |
COER
| Crab Orchard & Egyptian | 7 |
CR
| Conrail | 8 |
CSX
| CSX Railroad | 6 |
FP
| Fordyce & Princeton Railroad Company | 4 |
GTW
| Grand Trunk Western | 2 |
HLMX
| Helm Financial Corporation | 1 |
HPJX
| Helm-Pacific Leasing | 5 |
HS
| H and S Railroad Company | 6 |
IBT
| International Bridge and Terminal Company | 4 |
IC
| Illinois Central | 1 |
KCS
| Kansas City Southern | 4 |
LC
| Lancaster & Chester | 2 |
MDW
| Minnesota Dakota and Western Railway Com | 2 |
MP
| Missouri Pacific | 6 |
MWCX
| Midwest Railcar Corporation | 1 |
NS
| Norfolk Southern | 4 |
NW
| Norfolk & Western | 2 |
NYC
| New York Central | 2 |
RRLX
| Rail Logistics, LC | 1 |
SP
| Southern Pacific | 1 |
SSW
| St Louis Southwestern (Cotton Belt) | 4 |
UP
| Union Pacific Railroad Company | 3 |
VCY
| Galveston Railroad, L.P. | 1 |
WCOR
| Wellsboro and Corning Railroad Company | 1 |
WRWK
| Providence & Worchester Railroad | 1 |