ADN
| Ashley Drew & Northern | 1 |
ANR
| Angelina and Neches River Railroad | 45 |
AOK
| Arkansas-Oklahoma Railroad | 111 |
ATSF
| Atchison Topeka & Santa Fe | 3 |
ATW
| Atlantic and Western | 59 |
BAR
| Bangor & Aroostook | 102 |
BAYL
| Bay Line, LLC | 29 |
BDRV
| Belvidere & Delaware Railroad | 2 |
BKTY
| Union Pacific Railroad Company | 41 |
BN
| Burlington Northern | 119 |
BNSF
| BNSF Railway | 294 |
BO
| Baltimore & Ohio | 2 |
CIBX
| CIT Group/Capital Finance, Inc | 6 |
CIC
| Cedar Rapids & Iowa City | 13 |
CIRR
| Chattahoochee Industrial Railroad | 3 |
CMQ
| CENTRAL MAINE & QUEBEC RAILWAY | 33 |
CN
| Canadian National Railways | 565 |
CNA
| Canadian National Railways | 1078 |
CNIS
| Canadian National Railways | 121 |
CNW
| Chicago & Northwestern | 96 |
COER
| Crab Orchard & Egyptian | 315 |
CP
| Canadian Pacific Railway | 116 |
CPAA
| Canadian Pacific Railway | 7 |
CPI
| Canadian Pacific Railway | 1 |
CR
| Conrail | 8 |
CRLE
| Coe Rail Incorporated | 142 |
CSX
| CSX Railroad | 506 |
CTR
| Clinton Terminal Railroad Company | 1 |
CUOH
| Columbus and Ohio River Railroad Company | 1 |
CV
| Central Vermont | 62 |
CVC
| Canadian National Railways | 103 |
DL
| Delaware-Lackawanna Railroad Company | 1 |
DRRV
| DRRV | 1 |
DWC
| Canadian National Railways | 399 |
FBOX
| TTX Company | 637 |
FRR
| Falls Road Railroad Company Incorporated | 4 |
GACX
| General American Marks Company | 16 |
GAMX
| Arrendadora Nacional De Carros De Ferrocaril | 3 |
GMRC
| Green Mountain RR | 4 |
GNWR
| Genesee and Wyoming Railroad Company | 2 |
GR
| Grand Rapids Eastern Railroad Incorporated | 2 |
GTRA
| Golden Triangle Railroad | 4 |
GTW
| Grand Trunk Western | 103 |
HKRX
| HKRX | 13 |
IANR
| Iowa Northern Ry | 27 |
IATR
| Iowa Traction Railroad Company | 22 |
IC
| Illinois Central | 31 |
ICE
| Iowa Chicago and Eastern | 1 |
ICG
| Illinois Central Gulf | 32 |
IFRX
| Infinity Rail LLC | 2 |
IMRL
| I&M Rail Link | 1 |
KCS
| Kansas City Southern | 381 |
KLRX
| KOCH RAIL LLC | 4 |
LRS
| Laurinburg and Southern | 101 |
LW
| Louisville and Wadley Railway Company | 269 |
MBKX
| Mitsui Rail Capital | 1 |
MDW
| Minnesota Dakota and Western Railway Com | 41 |
MEC
| Maine Central | 14 |
MMA
| Montreal, Maine & Atlantic | 92 |
MR
| McCloud Railway Company | 53 |
MRL
| Montana Rail Link | 19 |
MVRY
| Mahoning Valley Ry | 7 |
NADX
| General Electric Rail Services | 17 |
NDYX
| First Union Rail | 36 |
NKCR
| Nebraska, Kansas & Colorado RailNet, Inc | 8 |
NOKL
| Northwestern Oklahoma | 245 |
NRI
| Nebkota Railway Incorporated | 15 |
NS
| Norfolk Southern | 567 |
ONT
| Ontario Northland Railway | 116 |
PMRX
| Progress Metal Reclamation Company | 17 |
QC
| Quebec Central | 51 |
QGRY
| Quebec Gatineau Railway Incorporated | 204 |
SLGG
| Progress Rail Services Corporation | 45 |
SLR
| St Lawrence & Atlantic | 47 |
SNC
| Saratoga & North Creek Railway | 63 |
SOO
| Soo Line | 75 |
SOU
| Southern | 1 |
SOXX
| SMBC RAIL SERVICES LLC | 3 |
SPSX
| Progress Rail Services Corp | 1 |
SRY
| Southern Railway of British Columbia Lim | 529 |
SSAM
| Sault Ste. Marie Bridge Company (Canadia | 1 |
TIMX
| Trinity Industries Leasing Company | 75 |
TR
| Tomahawk Railway L.P. | 540 |
TRN
| TRN | 1 |
UCRY
| Utah Central | 66 |
VR
| Valdosta Railway | 3 |
WC
| Wisconsin Central | 1194 |
WCCL
| Wisconsin Central | 1 |
WE
| Wheeling & Lake Erie | 24 |
WFRX
| WELLS FARGO RAIL CORPORATION | 87 |
WRWK
| Providence & Worchester Railroad | 6 |
YARR
| Youngstown and Austintown Railroad | 24 |
YKLR
| YKLR | 1 |
YKR
| York Rail | 218 |