ACWR
| Aberdeen, Carolina & Western |
|
11
|
0
| ACWR |
AGR
| Alabama and Gulf Coast |
|
13
|
0
| AGR |
AKMD
| Arkansas Midland Railroad Company |
|
4
|
0
| AKMD |
ALM
| Arkansas Louisiana and Mississippi Railr |
|
10
|
0
| ALM |
AM
| Arkansas & Missouri |
|
57
|
0
| AM |
AN
| Apalachicola Northern |
|
24
|
0
| AN |
AOK
| Arkansas-Oklahoma Railroad |
|
4
|
1
| AOK |
APA
| Apache Railway Company |
|
97
|
0
| APA |
AR
| Aberdeen and Rockfish |
|
8
|
0
| AR |
ARZC
| Arizona and California Railroad |
|
19
|
0
| ARZC |
ATN
| Alabama & Tennessee River Railway Llc |
|
102
|
0
| ATN |
AZER
| Arizona Eastern Railway Company |
|
50
|
0
| AZER |
BAYL
| Bay Line, LLC |
|
91
|
0
| BAYL |
BDW
| Bighorn Divide & Wyoming Railroad |
|
2
|
0
| BDW |
BHRR
| Birmingham Terminal Railway |
|
7
|
0
| BHRR |
BS
| Birmingham Southern RR |
|
106
|
0
| BS |
CAGY
| Columbus & Greenville Railway |
|
60
|
0
| CAGY |
CBNS
| Cape Breton & Central Nova Scotia Ry |
|
1
|
0
| CBNS |
CBRY
| Copper Basin Railway |
|
86
|
0
| CBRY |
CCKY
| Chattooga & Chickamauga Railway |
|
1
|
0
| CCKY |
CFW
| Caney fork & Western |
|
1
|
0
| CFW |
CKRY
| Central Kansas Railway Incorporated |
|
1
|
0
| CKRY |
CORP
| Central Oregon & Pacific |
|
4
|
0
| CORP |
CPDR
| Carolina Piedmont |
|
7
|
0
| CPDR |
DGNO
| Dallas Garland & Northeastern |
|
2
|
0
| DGNO |
DMVW
| Dakota Missouri Valley and Western Railr |
|
9
|
0
| DMVW |
DSRR
| Delta Southern RR |
|
20
|
0
| DSRR |
EARY
| Eastern Alabama Railway |
|
1
|
0
| EARY |
EIRC
| Eastern Illinois Railroad Company |
|
1
|
0
| EIRC |
EVWR
| Evansville Western Railroad Inc |
|
12
|
0
| EVWR |
FCEN
| Florida Central |
|
5
|
0
| FCEN |
FCR
| Fulton County Railraod |
|
10
|
0
| FCR |
FWWR
| Fort Worth and Western |
|
52
|
0
| FWWR |
GC
| Georgia Central |
|
67
|
0
| GC |
GFRR
| Georgia and Florida Railnet |
|
16
|
0
| GFRR |
GNRR
| Georgia Northeastern |
|
46
|
0
| GNRR |
GRWR
| Great Walton |
|
1
|
0
| GRWR |
GRYR
| Grenada Railway |
|
1
|
0
| GRYR |
GSWR
| Georgia Southwestern |
|
12
|
0
| GSWR |
GTRA
| Golden Triangle Railroad |
|
3
|
0
| GTRA |
GWR
| Great Western Railway Company |
|
3
|
0
| GWR |
HRT
| Hartwell RR |
|
7
|
0
| HRT |
IANR
| Iowa Northern Ry |
|
37
|
0
| IANR |
IORY
| Indiana & Ohio |
|
1
|
0
| IORY |
ISRR
| Indiana Southern |
|
11
|
0
| ISRR |
JEFW
| Jefferson Warrior Railroad Company |
|
4
|
0
| JEFW |
KXHR
| Knoxville & Holston River RR |
|
2
|
0
| KXHR |
KYLE
| Kyle Railroad |
|
1
|
0
| KYLE |
LC
| Lancaster & Chester |
|
32
|
0
| LC |
LIRC
| Louisville & Indiana |
|
12
|
0
| LIRC |
LNW
| Louisiana & Northwestern |
|
9
|
0
| LNW |
LRWN
| Little Rock & Western |
|
3
|
0
| LRWN |
LXVR
| Luxapalia Valley |
|
3
|
0
| LXVR |
MB
| Meridian & Bigbee |
|
14
|
0
| MB |
MDS
| Meridian Southern Railway, LLC |
|
9
|
0
| MDS |
MMID
| Maryland Midland |
|
113
|
0
| MMID |
MNA
| Missouri and Northern Arkansas |
|
10
|
0
| MNA |
MNBR
| M and B Railroad LLC |
|
16
|
0
| MNBR |
MNN
| Minnesota Northern Railroad Incorporated |
|
1
|
0
| MNN |
MSE
| Mississippi Export Railroad Company |
|
8
|
0
| MSE |
MTNR
| Mississippi Tennessee Railroad LLC |
|
4
|
0
| MTNR |
NCRC
| Nebraska Central |
|
28
|
0
| NCRC |
NECR
| New England Central |
|
8
|
0
| NECR |
NERR
| Nashville and Eastern |
|
29
|
0
| NERR |
NKCR
| Nebraska, Kansas & Colorado RailNet, Inc |
|
14
|
0
| NKCR |
NWR
| Nashville & Western Railroad Corp. |
|
2
|
0
| NWR |
PGR
| Progressive Rail, Inc |
|
2
|
0
| PGR |
PVS
| Pecos Valley Southern Railway Company |
|
1
|
0
| PVS |
RJCC
| R.J. Corman Railroad/Kentucky Lines |
|
20
|
0
| RJCC |
RJCM
| R.J. Corman Railroad Company/ Memphis Li |
|
2
|
0
| RJCM |
RLK
| RailAmerica Ottawa Valley Railway |
|
1
|
0
| RLK |
SCFE
| South Central Florida Express Incorporated |
|
1
|
0
| SCFE |
SCRF
| South Carolina Central |
|
4
|
0
| SCRF |
SGLR
| Seminole Gulf |
|
5
|
0
| SGLR |
SLAL
| South Plains Lamesa |
|
11
|
0
| SLAL |
SMNR
| Southern Manitoba Railway Incorporated |
|
1
|
0
| SMNR |
SW
| Southwestern Railroad Company |
|
31
|
0
| SW |
TKEN
| Tennken Railroad Company Incorporated |
|
2
|
0
| TKEN |
TNHR
| Three Notch Railroad |
|
2
|
0
| TNHR |
TNMR
| Texas and New Mexico |
|
7
|
0
| TNMR |
TRC
| Trona Railway Company |
|
18
|
0
| TRC |
TSRR
| Tennessee Southern |
|
42
|
0
| TSRR |
TVRM
| Tennessee Valley |
|
1
|
0
| TVRM |
TXOR
| Texas and Oklahoma Railroad Company |
|
6
|
0
| TXOR |
UCRY
| Utah Central |
|
2
|
0
| UCRY |
WGCR
| Wiregrass Central Railroad. Incorporated |
|
4
|
0
| WGCR |
WSOR
| Wisconsin & Southern |
|
19
|
0
| WSOR |
WTLC
| West Texas & Lubbock Railroad Co Inc. |
|
1
|
0
| WTLC |
WTNN
| West Tennessee |
|
4
|
0
| WTNN |