AKMD
| Arkansas Midland Railroad Company | 1 |
AOK
| Arkansas-Oklahoma Railroad | 1 |
BNSF
| BNSF Railway | 1 |
CIBX
| CIT Group/Capital Finance, Inc | 2 |
CNA
| Canadian National Railways | 3 |
CR
| Conrail | 22 |
CSX
| CSX Railroad | 17 |
FLOX
| CIT Group/Capital Finance, Inc | 1 |
FP
| Fordyce & Princeton Railroad Company | 2 |
GTW
| Grand Trunk Western | 11 |
HS
| H and S Railroad Company | 1 |
IBT
| International Bridge and Terminal Company | 6 |
IC
| Illinois Central | 2 |
KCS
| Kansas City Southern | 1 |
KCSM
| Kansas City Southern De Mexico | 4 |
LC
| Lancaster & Chester | 2 |
LW
| Louisville and Wadley Railway Company | 1 |
MKT
| Missouri-Kansas-Texas | 1 |
MP
| Missouri Pacific | 18 |
MWCX
| Midwest Railcar Corporation | 2 |
NKCR
| Nebraska, Kansas & Colorado RailNet, Inc | 2 |
NS
| Norfolk Southern | 10 |
NW
| Norfolk & Western | 2 |
NYC
| New York Central | 28 |
RJCM
| R.J. Corman Railroad Company/ Memphis Li | 1 |
SSW
| St Louis Southwestern (Cotton Belt) | 5 |
UP
| Union Pacific Railroad Company | 8 |
VCY
| Galveston Railroad, L.P. | 3 |
WP
| Western Pacific | 1 |