ACWR
| Aberdeen, Carolina & Western |
|
163
|
13
| ACWR |
ALM
| Arkansas Louisiana and Mississippi Railr |
|
0
|
8
| ALM |
AN
| Apalachicola Northern |
|
0
|
2
| AN |
ANR
| Angelina and Neches River Railroad |
|
0
|
2
| ANR |
AOK
| Arkansas-Oklahoma Railroad |
|
0
|
10
| AOK |
AR
| Aberdeen and Rockfish |
|
37
|
23
| AR |
ARC
| Alexander Railroad |
|
16
|
5
| ARC |
ATW
| Atlantic and Western |
|
139
|
21
| ATW |
BB
| Buckingham Branch |
|
207
|
4
| BB |
BCR
| Bay Coast Railroad |
|
5
|
0
| BCR |
BPRR
| Buffalo and Pittsburgh |
|
2
|
0
| BPRR |
BVRY
| Brandywine Valley Railroad Company |
|
0
|
1
| BVRY |
CHTT
| Chicago Heights Terminal Transfer |
|
0
|
4
| CHTT |
CIRR
| Chattahoochee Industrial Railroad |
|
0
|
5
| CIRR |
CLC
| Columbia and Cowlitz Railway Company |
|
0
|
1
| CLC |
CLNA
| Carolina Coastal Railway Incorporated |
|
14
|
4
| CLNA |
COEH
| Conecuh Valley Railroad |
|
0
|
3
| COEH |
CRLE
| Coe Rail Incorporated |
|
0
|
6
| CRLE |
DGVR
| DURBIN & GREENBRIER VALLEY RAILROAD INC |
|
13
|
0
| DGVR |
EEC
| East Erie Commercial Railroad |
|
0
|
13
| EEC |
ESHR
| Eastern Shore Railroad |
|
2
|
0
| ESHR |
EV
| Everett Railroad |
|
5
|
1
| EV |
FCRD
| First Coast Railway |
|
0
|
1
| FCRD |
FSRR
| FerroSur |
|
0
|
2
| FSRR |
GCK
| Georges Creek Railway |
|
1
|
0
| GCK |
GNRR
| Georgia Northeastern |
|
0
|
2
| GNRR |
GNWR
| Genesee and Wyoming Railroad Company |
|
0
|
1
| GNWR |
GO
| Gulf and Ohio |
|
2
|
0
| GO |
GTRA
| Golden Triangle Railroad |
|
0
|
4
| GTRA |
GVSR
| Galveston Railroad L.P. |
|
0
|
1
| GVSR |
HN
| Hutchinson and Northern Railway Company |
|
0
|
1
| HN |
HS
| H and S Railroad Company |
|
0
|
9
| HS |
IATR
| Iowa Traction Railroad Company |
|
0
|
1
| IATR |
IBT
| International Bridge and Terminal Company |
|
0
|
2
| IBT |
IMRR
| Illinois Midland Railroad |
|
3
|
0
| IMRR |
KXHR
| Knoxville & Holston River RR |
|
2
|
0
| KXHR |
LBR
| Lowville and Beaver River Railroad Compa |
|
0
|
1
| LBR |
LRS
| Laurinburg and Southern |
|
4
|
0
| LRS |
LRWN
| Little Rock & Western |
|
0
|
2
| LRWN |
LW
| Louisville and Wadley Railway Company |
|
0
|
2
| LW |
LXOH
| Knoxville & Holston River Railroad |
|
0
|
1
| LXOH |
MB
| Meridian & Bigbee |
|
0
|
2
| MB |
MCSA
| Moscow Camden and San Augustine Railroad |
|
0
|
1
| MCSA |
MDW
| Minnesota Dakota and Western Railway Com |
|
0
|
2
| MDW |
MMID
| Maryland Midland |
|
0
|
9
| MMID |
NCYR
| Nash County Railroad Corporation |
|
13
|
0
| NCYR |
NERR
| Nashville and Eastern |
|
28
|
4
| NERR |
NHVR
| New Hope Valley Railroad |
|
9
|
0
| NHVR |
NKCR
| Nebraska, Kansas & Colorado RailNet, Inc |
|
0
|
1
| NKCR |
NOKL
| Northwestern Oklahoma |
|
0
|
5
| NOKL |
NPBL
| Norfolk and Portsmouth Belt Line |
|
2
|
0
| NPBL |
NWR
| Nashville & Western Railroad Corp. |
|
8
|
0
| NWR |
OHCR
| Ohio Central |
|
23
|
0
| OHCR |
PDRR
| Pee Dee River RR |
|
0
|
8
| PDRR |
SAN
| Sandersville |
|
0
|
3
| SAN |
SBVR
| South Branch Valley Rail Road |
|
19
|
0
| SBVR |
SCRF
| South Carolina Central |
|
2
|
0
| SCRF |
SLGG
| Progress Rail Services Corporation |
|
0
|
3
| SLGG |
SM
| St. Marys Railroad |
|
0
|
2
| SM |
SRN
| Sabine River & Northern |
|
0
|
1
| SRN |
STE
| Stockton Terminal and Eastern RR |
|
0
|
1
| STE |
SV
| Shenandoah Valley Railroad |
|
5
|
0
| SV |
TC
| Temple & Central Texas |
|
0
|
5
| TC |
TKEN
| Tennken Railroad Company Incorporated |
|
0
|
1
| TKEN |
TM
| Texas-Mexican |
|
0
|
1
| TM |
WGCR
| Wiregrass Central Railroad. Incorporated |
|
0
|
1
| WGCR |
WW
| Winchester & Western |
|
12
|
4
| WW |
YARR
| Youngstown and Austintown Railroad |
|
0
|
1
| YARR |
YVRR
| Yadkin Valley |
|
1
|
1
| YVRR |