ACL
| Atlantic Coast Line | 7 |
ADN
| Ashley Drew & Northern | 1 |
AGR
| Alabama and Gulf Coast | 2 |
AMTK
| Amtrak | 3 |
AOK
| Arkansas-Oklahoma Railroad | 2 |
ASAB
| Bay Line Railroad LLC | 1 |
ATW
| Atlantic and Western | 4 |
AWP
| Atlanta & West Point | 1 |
BKTY
| Union Pacific Railroad Company | 10 |
BNSF
| BNSF Railway | 2 |
CAGY
| Columbus & Greenville Railway | 1 |
CFWR
| Caney Fork and Western Railroad | 3 |
CIBX
| CIT Group/Capital Finance, Inc | 2 |
CMEX
| Cemex Inc | 1 |
CN
| Canadian National Railways | 1 |
CNA
| Canadian National Railways | 1 |
CNIS
| Canadian National Railways | 1 |
CNIX
| CNIX | 1 |
CNW
| Chicago & Northwestern | 1 |
COER
| Crab Orchard & Egyptian | 9 |
CP
| Canadian Pacific Railway | 8 |
CRLE
| Coe Rail Incorporated | 1 |
CRR
| Clinchfield | 1 |
CSX
| CSX Railroad | 53 |
DWC
| Canadian National Railways | 2 |
FBOX
| TTX Company | 10 |
FEC
| Florida East Coast | 1 |
GA
| Georgia Railroad | 1 |
GACX
| General American Marks Company | 3 |
ITFX
| INFINITY TRANSPORTATION III LLC | 3 |
KCS
| Kansas City Southern | 2 |
LINX
| LINX | 1 |
LN
| Louisville & Nashville | 2 |
LR
| LR | 1 |
LRS
| Laurinburg and Southern | 22 |
LRX
| LRX | 3 |
MEC
| Maine Central | 2 |
MWCX
| Midwest Railcar Corporation | 1 |
NADX
| General Electric Rail Services | 2 |
NKCR
| Nebraska, Kansas & Colorado RailNet, Inc | 5 |
NOKL
| Northwestern Oklahoma | 2 |
NS
| Norfolk Southern | 12 |
RBOX
| Railbox Company | 4 |
RFP
| Richmond Fredericksburg & Potomac | 2 |
RPCX
| Railroad Passenger Car Numbering Bureau | 2 |
SAL
| Seaboard Air Line | 10 |
SBD
| Seaboard System | 8 |
SCL
| Seaboard Coast Line | 46 |
SOU
| Southern | 21 |
SP
| Southern Pacific | 1 |
TBOX
| TTX Company | 91 |
TOBX
| TTX Company - Box Cars | 1 |
UCRY
| Utah Central | 5 |
UP
| Union Pacific Railroad Company | 6 |
WC
| Wisconsin Central | 1 |
WFRX
| WELLS FARGO RAIL CORPORATION | 1 |