ABOX
| TTX Company | 2 |
AGR
| Alabama and Gulf Coast | 1 |
ATSF
| Atchison Topeka & Santa Fe | 3 |
ATW
| Atlantic and Western | 2 |
BAEX
| Andersons | 1 |
BAYL
| Bay Line, LLC | 1 |
BCOL
| Canadian National Railways | 1 |
BN
| Burlington Northern | 2 |
BNSF
| BNSF Railway | 7 |
CEFX
| CIT Group/Capital Finance, Inc | 2 |
CN
| Canadian National Railways | 10 |
CNA
| Canadian National Railways | 4 |
CNIS
| Canadian National Railways | 2 |
CNW
| Chicago & Northwestern | 3 |
COER
| Crab Orchard & Egyptian | 1 |
CP
| Canadian Pacific Railway | 8 |
CPAA
| Canadian Pacific Railway | 1 |
CSX
| CSX Railroad | 17 |
DGG
| DGG | 1 |
DPUX
| DPUX | 1 |
DRGW
| Denver & Rio Grande Western | 1 |
DUPX
| Du Pont De Nemours and Company Incorporated | 1 |
DWC
| Canadian National Railways | 1 |
EEC
| East Erie Commercial Railroad | 3 |
FBOX
| TTX Company | 19 |
FXE
| Ferromex | 4 |
GATX
| General American Marks Company | 3 |
GTW
| Grand Trunk Western | 3 |
HDTX
| Huish Detergents, Inc | 4 |
HPJX
| Helm-Pacific Leasing | 1 |
KCS
| Kansas City Southern | 6 |
KRR
| Kiamichi | 1 |
LRWN
| Little Rock & Western | 1 |
LW
| Louisville and Wadley Railway Company | 2 |
MB
| Meridian & Bigbee | 1 |
MEC
| Maine Central | 1 |
MNNR
| Minnesota Commercial | 2 |
MP
| Missouri Pacific | 3 |
MRL
| Montana Rail Link | 1 |
MWCX
| Midwest Railcar Corporation | 5 |
NOKL
| Northwestern Oklahoma | 2 |
NS
| Norfolk Southern | 7 |
NYC
| New York Central | 1 |
ONT
| Ontario Northland Railway | 1 |
RBOX
| Railbox Company | 18 |
RJCM
| R.J. Corman Railroad Company/ Memphis Li | 1 |
SOO
| Soo Line | 1 |
SOU
| Southern | 3 |
SP
| Southern Pacific | 16 |
SPY
| SPY | 1 |
SRN
| Sabine River & Northern | 2 |
SRY
| Southern Railway of British Columbia Lim | 1 |
SSW
| St Louis Southwestern (Cotton Belt) | 2 |
TASD
| Terminal Alabama State Docks | 1 |
TBOX
| TTX Company | 29 |
TIMX
| Trinity Industries Leasing Company | 1 |
UP
| Union Pacific Railroad Company | 6 |
WC
| Wisconsin Central | 5 |
WP
| Western Pacific | 3 |