ABOX
| TTX Company | 17 |
ADN
| Ashley Drew & Northern | 3 |
AGLF
| Knoxville & Holston River Railroad | 2 |
AGR
| Alabama and Gulf Coast | 9 |
ALM
| Arkansas Louisiana and Mississippi Railr | 9 |
AM
| Arkansas & Missouri | 1 |
AN
| Apalachicola Northern | 10 |
AOK
| Arkansas-Oklahoma Railroad | 57 |
ASAB
| Bay Line Railroad LLC | 5 |
ATSF
| Atchison Topeka & Santa Fe | 41 |
ATW
| Atlantic and Western | 45 |
AZER
| Arizona Eastern Railway Company | 10 |
BAR
| Bangor & Aroostook | 34 |
BCIT
| Canadian National Railways | 3 |
BCOL
| Canadian National Railways | 56 |
BKTY
| Union Pacific Railroad Company | 1 |
BM
| Boston & Maine | 10 |
BMS
| Berlin Mills | 4 |
BN
| Burlington Northern | 27 |
BNSF
| BNSF Railway | 27 |
BPRR
| Buffalo and Pittsburgh | 3 |
CAGY
| Columbus & Greenville Railway | 4 |
CAMY
| CAMP CHASE RAILWAY COMPANY, LLC | 2 |
CCR
| Corinth & Counce | 1 |
CHTT
| Chicago Heights Terminal Transfer | 7 |
CIBX
| CIT Group/Capital Finance, Inc | 2 |
CIC
| Cedar Rapids & Iowa City | 1 |
CIRR
| Chattahoochee Industrial Railroad | 4 |
CLC
| Columbia and Cowlitz Railway Company | 5 |
CMQ
| CENTRAL MAINE & QUEBEC RAILWAY | 2 |
CN
| Canadian National Railways | 273 |
CNA
| Canadian National Railways | 232 |
CNIS
| Canadian National Railways | 70 |
CNW
| Chicago & Northwestern | 24 |
CO
| Chesapeake & Ohio | 1 |
COER
| Crab Orchard & Egyptian | 140 |
CP
| Canadian Pacific Railway | 63 |
CPAA
| Canadian Pacific Railway | 3 |
CR
| Conrail | 3 |
CRLE
| Coe Rail Incorporated | 33 |
CSX
| CSX Railroad | 181 |
CUOH
| Columbus and Ohio River Railroad Company | 16 |
CV
| Central Vermont | 46 |
CVC
| Canadian National Railways | 18 |
DH
| Delaware & Hudson | 3 |
DMM
| Dansville and Mount Morris Railroad Comp | 6 |
DODX
| Department Of Defense | 13 |
DWC
| Canadian National Railways | 111 |
EEC
| East Erie Commercial Railroad | 10 |
ELS
| Escanaba and Lake Superior Railroad Comp | 27 |
FBOX
| TTX Company | 116 |
FCRD
| First Coast Railway | 4 |
FGLK
| Finger Lakes Railway | 24 |
GBW
| Green Bay & Western | 13 |
GMRC
| Green Mountain RR | 12 |
GNRR
| Georgia Northeastern | 6 |
GNWR
| Genesee and Wyoming Railroad Company | 32 |
GR
| Grand Rapids Eastern Railroad Incorporated | 2 |
GSWR
| Georgia Southwestern | 1 |
GTW
| Grand Trunk Western | 61 |
GVSR
| Galveston Railroad L.P. | 41 |
HCRY
| Huron Central Railway | 9 |
HS
| H and S Railroad Company | 80 |
IANR
| Iowa Northern Ry | 65 |
IATR
| Iowa Traction Railroad Company | 5 |
IBT
| International Bridge and Terminal Company | 6 |
IC
| Illinois Central | 48 |
ICG
| Illinois Central Gulf | 6 |
ITC
| Illinois Terminal Railroad | 1 |
JJRD
| J and J Railroad Incorporated | 1 |
KCS
| Kansas City Southern | 91 |
KWT
| KWT Railway | 2 |
LPN
| Longview, Portland & Northern | 1 |
LRS
| Laurinburg and Southern | 9 |
LRWN
| Little Rock & Western | 3 |
LVRC
| Lamoille Valley | 10 |
LW
| Louisville and Wadley Railway Company | 51 |
MB
| Meridian & Bigbee | 2 |
MDR
| Kansas City Southern | 2 |
MDW
| Minnesota Dakota and Western Railway Com | 15 |
MEC
| Maine Central | 36 |
MILW
| Milwaukee Road | 9 |
MISS
| Mississippian Railway Cooperative Incorporated | 1 |
MMA
| Montreal, Maine & Atlantic | 38 |
MP
| Missouri Pacific | 39 |
NKCR
| Nebraska, Kansas & Colorado RailNet, Inc | 1 |
NLG
| Kansas City Southern Railway Company (North Louisiana & Gulf) | 5 |
NOKL
| Northwestern Oklahoma | 65 |
NOPB
| New Orleans Public Belt Railroad | 1 |
NS
| Norfolk Southern | 213 |
NSL
| St. Lawrence and Raquette River Railroad | 2 |
NYC
| New York Central | 1 |
OAR
| Old Augusta Railroad | 2 |
OKKT
| Union Pacific Railroad Company | 2 |
OLYR
| Olympic Railroad Company | 1 |
ONT
| Ontario Northland Railway | 31 |
ONTA
| Ontario Northland Railway | 14 |
OUCH
| Ouachita Railroad | 2 |
PSMX
| Esco Corporation | 1 |
RBOX
| Railbox Company | 81 |
SGLR
| Seminole Gulf | 4 |
SLC
| San Luis Central Railroad Company | 27 |
SMW
| St Marys Railway West LLC | 50 |
SOO
| Soo Line | 1 |
SOU
| Southern | 113 |
SP
| Southern Pacific | 14 |
SRN
| Sabine River & Northern | 2 |
SRY
| Southern Railway of British Columbia Lim | 1 |
TBOX
| TTX Company | 1179 |
TFM
| Kansas City Southern De Mexico | 4 |
TIMX
| Trinity Industries Leasing Company | 2 |
TOBX
| TTX Company - Box Cars | 22 |
TOFX
| TTX Company - Box Cars | 3 |
TR
| Tomahawk Railway L.P. | 110 |
UCRY
| Utah Central | 60 |
UP
| Union Pacific Railroad Company | 5 |
WC
| Wisconsin Central | 62 |
WCTR
| WCTU Company White City Terminal Railway | 3 |
WLO
| Waterloo Railway Company (Illinois Central) | 2 |
WRWK
| Providence & Worchester Railroad | 71 |
WTRM
| Warren and Trumbull Railroad Company | 2 |
YKR
| York Rail | 41 |