ANR
| Angelina and Neches River Railroad | 3 |
AOK
| Arkansas-Oklahoma Railroad | 1 |
ATW
| Atlantic and Western | 3 |
BAYL
| Bay Line, LLC | 7 |
BKTY
| Union Pacific Railroad Company | 5 |
CIC
| Cedar Rapids & Iowa City | 2 |
CMQ
| CENTRAL MAINE & QUEBEC RAILWAY | 5 |
CN
| Canadian National Railways | 1 |
CNA
| Canadian National Railways | 7 |
CNIS
| Canadian National Railways | 2 |
CNW
| Chicago & Northwestern | 17 |
COER
| Crab Orchard & Egyptian | 18 |
CP
| Canadian Pacific Railway | 1 |
CRLE
| Coe Rail Incorporated | 3 |
CSX
| CSX Railroad | 38 |
CV
| Central Vermont | 1 |
DWC
| Canadian National Railways | 3 |
FBOX
| TTX Company | 19 |
GACX
| General American Marks Company | 2 |
GMRC
| Green Mountain RR | 1 |
GTW
| Grand Trunk Western | 4 |
IATR
| Iowa Traction Railroad Company | 1 |
IC
| Illinois Central | 1 |
ICG
| Illinois Central Gulf | 1 |
KCS
| Kansas City Southern | 20 |
LRS
| Laurinburg and Southern | 3 |
LW
| Louisville and Wadley Railway Company | 18 |
MDW
| Minnesota Dakota and Western Railway Com | 1 |
MR
| McCloud Railway Company | 1 |
NADX
| General Electric Rail Services | 1 |
NDYX
| First Union Rail | 1 |
NOKL
| Northwestern Oklahoma | 2 |
NS
| Norfolk Southern | 11 |
ONT
| Ontario Northland Railway | 6 |
SNC
| Saratoga & North Creek Railway | 5 |
SRY
| Southern Railway of British Columbia Lim | 3 |
TIMX
| Trinity Industries Leasing Company | 2 |
TR
| Tomahawk Railway L.P. | 4 |
WC
| Wisconsin Central | 95 |
WFRX
| WELLS FARGO RAIL CORPORATION | 13 |
WRWK
| Providence & Worchester Railroad | 1 |
YKR
| York Rail | 4 |