AC
| Algoma Central | 49 |
ACL
| Atlantic Coast Line | 11 |
ADN
| Ashley Drew & Northern | 1 |
AEQX
| ATEL Equipment Corporation | 1 |
AGLF
| Knoxville & Holston River Railroad | 1 |
ALAB
| Alabama Railroad | 1 |
AN
| Apalachicola Northern | 1 |
AOK
| Arkansas-Oklahoma Railroad | 14 |
APA
| Apache Railway Company | 1 |
ASAB
| Bay Line Railroad LLC | 1 |
ATSF
| Atchison Topeka & Santa Fe | 1 |
ATW
| Atlantic and Western | 8 |
AWP
| Atlanta & West Point | 6 |
BAR
| Bangor & Aroostook | 27 |
BCOL
| Canadian National Railways | 1 |
BFPX
| Besse Forest Products | 4 |
BLPX
| BLPX | 1 |
BMTX
| BMTX | 2 |
BPRR
| Buffalo and Pittsburgh | 6 |
BTMX
| BEASLEY FOREST PRODUCTS INC | 12 |
BWSX
| BIEWER WISCONSIN SAWMILL INC | 4 |
CAGY
| Columbus & Greenville Railway | 2 |
CBNS
| Cape Breton & Central Nova Scotia Ry | 1 |
CCR
| Corinth & Counce | 2 |
CG
| Central Of Georgia | 1 |
CIRR
| Chattahoochee Industrial Railroad | 5 |
CN
| Canadian National Railways | 20 |
CP
| Canadian Pacific Railway | 10 |
CSX
| CSX Railroad | 31 |
CZCX
| Crown Zellerbach Corporation | 3 |
DJTX
| Joseph Transportation Incorporated | 3 |
DWC
| Canadian National Railways | 7 |
EAMX
| Everest Railcar Services, Inc | 1 |
EFVM
| Estrada de Ferro Vitoria-Minas | 191 |
ELS
| Escanaba and Lake Superior Railroad Comp | 13 |
EMRY
| Eastern Maine Railway Company | 2 |
FCA
| Ferrovia Centro Atlantica | 33 |
FP
| Fordyce & Princeton Railroad Company | 2 |
FPBX
| International Paper Corporation | 6 |
FURX
| First Union Rail | 2 |
FWCR
| Florida West Coast Railroad Incorporated | 1 |
GA
| Georgia Railroad | 2 |
GC
| Georgia Central | 2 |
GLVX
| Marion Plywood Corp | 1 |
GMN
| GMN | 1 |
GMO
| Gulf Mobile & Ohio | 8 |
GMSR
| Kansas City Southern | 2 |
GPSX
| Georgia-Pacific Corporation Eastern Wood Products Mfg.Divisi | 41 |
GPWX
| Georgia-Pacific Corp | 2 |
GSWR
| Georgia Southwestern | 2 |
HCRY
| Huron Central Railway | 9 |
HFTX
| HFTX | 1 |
HKRX
| HKRX | 13 |
HPAX
| International Paper Company | 5 |
HPTX
| HAMPTON CAPITAL LLC | 1 |
IC
| Illinois Central | 9 |
ICG
| Illinois Central Gulf | 4 |
IPCX
| International Paper Company | 5 |
ITLX
| General Electric Rail Services | 2 |
JOBX
| Tealinc Limited | 1 |
JTSX
| Joseph Transportation Incorporated | 1 |
KCS
| Kansas City Southern | 3 |
KRR
| Kiamichi | 1 |
KYKX
| KYKX | 1 |
LA
| Lousiana and Arkansas | 1 |
LITX
| Lite Industries Incorporated | 1 |
LN
| Louisville & Nashville | 5 |
LOAM
| Lousiana Midland | 1 |
LPXX
| LPXX | 2 |
LRIX
| Lake Superior Eastern Rail Industries | 4 |
MB
| Meridian & Bigbee | 2 |
MEC
| Maine Central | 2 |
MMA
| Montreal, Maine & Atlantic | 9 |
MP
| Missouri Pacific | 2 |
MRSL
| MRS Logistica | 18 |
MSRC
| Kansas City Southern | 1 |
MSV
| Mississippi and Skuna Valley Railroad Co | 4 |
MVKX
| Tubular Transport Services | 4 |
MWNX
| MWNX | 3 |
NAFX
| General Electric Rail Services | 1 |
NBSR
| New Brunswick Southern Railway Company L | 7 |
NLG
| Kansas City Southern Railway Company (North Louisiana & Gulf) | 1 |
NPGX
| NEWPAGE CORP | 4 |
NS
| Norfolk Southern | 12 |
NW
| Norfolk & Western | 1 |
ONT
| Ontario Northland Railway | 9 |
RDRX
| RDRX | 7 |
RFP
| Richmond Fredericksburg & Potomac | 3 |
RFRX
| Rick Franklin Corporation | 1 |
SAL
| Seaboard Air Line | 16 |
SAS
| South African Railways | 24 |
SBD
| Seaboard System | 8 |
SCFE
| South Central Florida Express Incorporated | 1 |
SCL
| Seaboard Coast Line | 9 |
SLSF
| Saint Louis-San Francisco | 1 |
SM
| St. Marys Railroad | 1 |
SOO
| Soo Line | 1 |
SOU
| Southern | 26 |
SP
| Southern Pacific | 1 |
SR
| Kansas City Southern | 3 |
SRLX
| Southern Rail Leasing Incorporated | 7 |
SSAM
| Sault Ste. Marie Bridge Company (Canadia | 9 |
TILX
| Trinity Industries Leasing Company | 1 |
TPPX
| Thilmany LLC | 1 |
TTJX
| TTX Company-Bulkhead Flats | 2 |
UCSX
| International Paper Company | 3 |
UNPX
| Procor Limited | 1 |
USSC
| United States Sugar | 3 |
VLI
| Valor da Logistica Integrada | 278 |
VRSX
| VRSX | 2 |
WC
| Wisconsin Central | 162 |
WRA
| Western Railway of Alabama | 4 |
WVCX
| Mead-Westvaco Corporation | 1 |