ABL
| Alameda Belt Line |
|
3
|
0
| ABL |
ABS
| Alabama Southern Railroad |
|
0
|
1
| ABS |
ADN
| Ashley Drew & Northern |
|
0
|
6
| ADN |
ALAB
| Alabama Railroad |
|
0
|
1
| ALAB |
ALM
| Arkansas Louisiana and Mississippi Railr |
|
0
|
2
| ALM |
AN
| Apalachicola Northern |
|
26
|
8
| AN |
AOK
| Arkansas-Oklahoma Railroad |
|
0
|
7
| AOK |
APA
| Apache Railway Company |
|
19
|
3
| APA |
ARZC
| Arizona and California Railroad |
|
64
|
12
| ARZC |
ATW
| Atlantic and Western |
|
0
|
6
| ATW |
AVL
| Aroostook Valley Railroad Company |
|
0
|
1
| AVL |
AZCR
| Arizona Central Railroad |
|
1
|
0
| AZCR |
AZER
| Arizona Eastern Railway Company |
|
35
|
4
| AZER |
BCH
| Southern Railway of British Columbia Limited |
|
22
|
5
| BCH |
BLMR
| Blue Mountain |
|
2
|
0
| BLMR |
BML
| Belfast & Mooshead Lake |
|
0
|
1
| BML |
BRAN
| Brandon Rail |
|
0
|
1
| BRAN |
CAGY
| Columbus & Greenville Railway |
|
1
|
8
| CAGY |
CBRY
| Copper Basin Railway |
|
30
|
0
| CBRY |
CCCR
| Cape Cod Central Railroad |
|
2
|
0
| CCCR |
CCT
| Central California Traction Company |
|
8
|
5
| CCT |
CFNR
| California Northern |
|
31
|
0
| CFNR |
CHTT
| Chicago Heights Terminal Transfer |
|
0
|
3
| CHTT |
CLC
| Columbia and Cowlitz Railway Company |
|
2
|
2
| CLC |
CLP
| Clarendon and Pittsford |
|
2
|
1
| CLP |
CMQ
| CENTRAL MAINE & QUEBEC RAILWAY |
|
0
|
2
| CMQ |
COER
| Crab Orchard & Egyptian |
|
0
|
2
| COER |
COP
| City of Prineville Railway |
|
4
|
5
| COP |
CORP
| Central Oregon & Pacific |
|
15
|
0
| CORP |
CRLE
| Coe Rail Incorporated |
|
0
|
1
| CRLE |
CSCD
| Cascade and Columbia River Railroad Company |
|
1
|
0
| CSCD |
CSP
| Camas Prairie RailNet Incorporated |
|
4
|
0
| CSP |
CWR
| CWR Incorporated |
|
2
|
1
| CWR |
DCFB
| Dodge City Ford and Bucklin Railroad Com |
|
2
|
0
| DCFB |
DGNO
| Dallas Garland & Northeastern |
|
5
|
0
| DGNO |
DQE
| De Queen and Eastern Railroad Incorporat |
|
0
|
1
| DQE |
EEC
| East Erie Commercial Railroad |
|
0
|
2
| EEC |
EIRR
| Eastern Idaho Railroad Incorporated |
|
24
|
0
| EIRR |
FCRD
| First Coast Railway |
|
0
|
1
| FCRD |
FMRC
| FarmRail |
|
5
|
0
| FMRC |
FSRR
| FerroSur |
|
0
|
2
| FSRR |
FWRY
| Fillmore Western Railway Company |
|
2
|
0
| FWRY |
GCRY
| Grand Canyon Railway |
|
9
|
4
| GCRY |
GCSR
| Gulf Colorado and San Saba Railway |
|
4
|
0
| GCSR |
GNBC
| Grainbelt Corporation |
|
2
|
0
| GNBC |
GNWR
| Genesee and Wyoming Railroad Company |
|
0
|
2
| GNWR |
GTRA
| Golden Triangle Railroad |
|
0
|
2
| GTRA |
GVSR
| Galveston Railroad L.P. |
|
0
|
2
| GVSR |
GWR
| Great Western Railway Company |
|
4
|
4
| GWR |
IANR
| Iowa Northern Ry |
|
0
|
7
| IANR |
IATR
| Iowa Traction Railroad Company |
|
0
|
1
| IATR |
IBT
| International Bridge and Terminal Company |
|
0
|
1
| IBT |
IMRR
| Illinois Midland Railroad |
|
1
|
0
| IMRR |
INPR
| Idaho Northern and Pacific Railroad |
|
5
|
0
| INPR |
ISRR
| Indiana Southern |
|
1
|
0
| ISRR |
KSW
| Kansas Southwestern Railway |
|
1
|
0
| KSW |
KYLE
| Kyle Railroad |
|
7
|
1
| KYLE |
LINC
| Lewis and Clark Railway Company |
|
1
|
2
| LINC |
LNW
| Louisiana & Northwestern |
|
0
|
2
| LNW |
LPN
| Longview, Portland & Northern |
|
1
|
3
| LPN |
LSI
| Lake Superior and Ishpeming Railroad |
|
0
|
1
| LSI |
LT
| Lake Terminal Railroad Company |
|
0
|
2
| LT |
LVRC
| Lamoille Valley |
|
1
|
3
| LVRC |
MAA
| Magma Arizona Railroad Company |
|
3
|
3
| MAA |
MB
| Meridian & Bigbee |
|
0
|
7
| MB |
MCER
| Massachusetts Central Railroad |
|
3
|
0
| MCER |
MCR
| McCloud Railway Company |
|
7
|
0
| MCR |
MDW
| Minnesota Dakota and Western Railway Com |
|
0
|
3
| MDW |
MET
| Modesto and Empire Traction Company |
|
14
|
0
| MET |
MH
| Mount Hood Railroad |
|
1
|
0
| MH |
MISS
| Mississippian Railway Cooperative Incorporated |
|
0
|
2
| MISS |
MNA
| Missouri and Northern Arkansas |
|
2
|
0
| MNA |
MNN
| Minnesota Northern Railroad Incorporated |
|
2
|
0
| MNN |
MNRR
| Modoc Northern Railroad Company |
|
3
|
1
| MNRR |
MPA
| Maryland and Pennsylvania Railroad |
|
0
|
2
| MPA |
MR
| McCloud Railway Company |
|
7
|
2
| MR |
MSE
| Mississippi Export Railroad Company |
|
0
|
2
| MSE |
MSV
| Mississippi and Skuna Valley Railroad Co |
|
0
|
6
| MSV |
MVT
| Mt. Vernon Terminal |
|
3
|
0
| MVT |
NECR
| New England Central |
|
2
|
0
| NECR |
NEGS
| New England Southern |
|
3
|
0
| NEGS |
NHIR
| New Hope & Ivyland |
|
0
|
3
| NHIR |
NKCR
| Nebraska, Kansas & Colorado RailNet, Inc |
|
0
|
2
| NKCR |
NOKL
| Northwestern Oklahoma |
|
0
|
11
| NOKL |
NRI
| Nebkota Railway Incorporated |
|
1
|
3
| NRI |
NWP
| Northwestern Pacific Railroad Company |
|
10
|
0
| NWP |
OTVR
| Otter Tail Valley Railroad Company |
|
3
|
1
| OTVR |
PCC
| Palouse River and Coulee City |
|
3
|
0
| PCC |
PDRR
| Pee Dee River RR |
|
1
|
0
| PDRR |
PHD
| Port Huron and Detroit Railroad Company |
|
0
|
1
| PHD |
PICK
| Pickens Railway |
|
0
|
1
| PICK |
PNWR
| Portland and Western Railroad Incorporat |
|
0
|
1
| PNWR |
POTB
| Port of Tillamook Bay |
|
2
|
0
| POTB |
PVS
| Pecos Valley Southern Railway Company |
|
6
|
2
| PVS |
RJCM
| R.J. Corman Railroad Company/ Memphis Li |
|
0
|
1
| RJCM |
RSP
| Roscoe Snyder and Pacific Railway |
|
7
|
4
| RSP |
RSS
| Rockdale, Sandow & Southern Railroad |
|
2
|
0
| RSS |
SAN
| Sandersville |
|
6
|
0
| SAN |
SDIV
| San Diego and Imperial Valley |
|
4
|
0
| SDIV |
SDIY
| San Diego and Imperial Valley Railroad Company |
|
6
|
0
| SDIY |
SERA
| Sierra Northern Railway |
|
22
|
6
| SERA |
SFS
| Santa Fe Southern |
|
3
|
0
| SFS |
SJVR
| San Joaquin Valley RR |
|
32
|
2
| SJVR |
SKOL
| South Kansas and Oklahoma |
|
1
|
0
| SKOL |
SL
| Salt Lake Southern RR |
|
2
|
0
| SL |
SLAL
| South Plains Lamesa |
|
1
|
0
| SLAL |
SLC
| San Luis Central Railroad Company |
|
1
|
2
| SLC |
SLRG
| San Luis and Rio Grande Railroad |
|
4
|
0
| SLRG |
SM
| St. Marys Railroad |
|
3
|
0
| SM |
SMA
| San Manuel Arizona Railroad Company |
|
9
|
2
| SMA |
SMV
| Santa Maria Valley Railroad Company |
|
5
|
3
| SMV |
SMW
| St Marys Railway West LLC |
|
0
|
1
| SMW |
SRN
| Sabine River & Northern |
|
0
|
4
| SRN |
SRY
| Southern Railway of British Columbia Lim |
|
2
|
3
| SRY |
SRYC
| Sierra Railway Company of California |
|
5
|
1
| SRYC |
STE
| Stockton Terminal and Eastern RR |
|
2
|
2
| STE |
STMA
| St. Maries River Railroad Company |
|
0
|
1
| STMA |
SW
| Southwestern Railroad Company |
|
22
|
0
| SW |
SWKR
| San Pedro and Southwestern Railway Compa |
|
2
|
1
| SWKR |
TM
| Texas-Mexican |
|
0
|
4
| TM |
TN
| Texas and Northern Railway Company |
|
22
|
0
| TN |
TNMR
| Texas and New Mexico |
|
2
|
0
| TNMR |
TOE
| Texas Oklahoma and Eastern RR Company |
|
11
|
5
| TOE |
TR
| Tomahawk Railway L.P. |
|
1
|
1
| TR |
TRC
| Trona Railway Company |
|
9
|
2
| TRC |
TSBY
| Great Lakes Central Railroad |
|
0
|
1
| TSBY |
TSE
| Texas South-Eastern Railroad Company |
|
0
|
1
| TSE |
TSWR
| Toppenish, Simcoe & Western Railroad |
|
1
|
0
| TSWR |
URR
| Union Railroad |
|
6
|
2
| URR |
VC
| Virginia Central Railway |
|
0
|
4
| VC |
VCRR
| Ventura County Railroad Company |
|
1
|
0
| VCRR |
VCY
| Galveston Railroad, L.P. |
|
7
|
3
| VCY |
WAR
| Warrenton Railroad Company |
|
0
|
2
| WAR |
WCRC
| Washington Central |
|
11
|
4
| WCRC |
WCTR
| WCTU Company White City Terminal Railway |
|
0
|
2
| WCTR |
WFS
| West Isle Line Incorporated |
|
1
|
0
| WFS |
WGR
| Willamette Valley Railway Company |
|
2
|
0
| WGR |
WNFR
| Kanawha Rail Corporation |
|
0
|
1
| WNFR |
WPRR
| Willamette and Pacific |
|
9
|
6
| WPRR |
WRIX
| Western Rail Inc |
|
2
|
0
| WRIX |
WRWK
| Providence & Worchester Railroad |
|
0
|
5
| WRWK |
WSR
| Warren and Saline River Railroad |
|
9
|
0
| WSR |
WTLC
| West Texas & Lubbock Railroad Co Inc. |
|
2
|
0
| WTLC |
WVR
| Willamette Valley |
|
0
|
1
| WVR |
WW
| Winchester & Western |
|
0
|
3
| WW |
YW
| Yreka Western Railroad Company |
|
2
|
4
| YW |