The list below includes the Railroads in PC*MILER Rail 30.
Please note that previous version releases may not include all of the railroads listed below as railroads are added and removed for new version releases and data updates between versions. Check for updates if you are not sure whether you are using the most current PC*MILER Rail data.
To search for a particular railroad on this page, press the Ctrl+F keyboard combination and enter your search term.
| SCAC | Railroad Name |
| AA | ANN ARBOR RAILROAD |
| AB | AKRON BARBERTON CLUSTER RAILWAY COMPANY |
| ABL | ALAMEDA BELT LINE |
| ABR | ATHENS LINE LLC, THE |
| ABS | ALABAMA SOUTHERN RAILROAD |
| ABWR | ALABAMA WARRIOR RAILWAY LLC. |
| ACJR | ASHTABULA CARSON & JEFFERSON RAILROAD |
| ACR | AGAWA CANYON RAILROAD ULC |
| ACWR | ABERDEEN CAROLINA & WESTERN RAILWAY CO |
| ADBF | ADRIAN & BLISSFIELD RAIL ROAD COMPANY |
| AERC | ALBANY & EASTERN RAILROAD COMPANY |
| AF | ALABAMA & FLORIDA RAILWAY CO |
| AFR | AMADOR FOOTHILLS RAILROAD |
| AGCR | ALAMO GULF COAST RAILROAD COMPANY |
| AGR | ALABAMA & GULF COAST RAILWAY LLC |
| AIKR | AIKEN RAILWAY COMPANY LLC |
| AKDN | ACADIANA RAILWAY COMPANY |
| AKMD | ARKANSAS MIDLAND RAILROAD CO INC |
| ALE | ALABAMA EXPORT RAILROAD, INC |
| ALLN | ALLENTOWN AND AUBURN RAILROAD |
| ALM | ARKANSAS LOUISIANA & MISSISSIPPI RAILROAD COMPANY |
| ALR | ALABAMA RAILROAD, LLC (ALR) |
| ALS | ALTON & SOUTHERN RAILWAY COMPANY |
| ALT | AIRLAKE TERMINAL RAILWAY COMPANY |
| AM | ARKANSAS AND MISSOURI RAILROAD CO |
| AMTK | AMTRAK-NATIONAL RAILROAD PASSENGER CORPORATION |
| AN | AN RAILWAY LLC |
| ANR | ANGELINA & NECHES RIVER RAILROAD COMPANY |
| ANRG | ALTEX ENERGY LTD |
| AO | APPALACHIAN & OHIO RAILROAD INC |
| AOK | ARKANSAS-OKLAHOMA RAILROAD INC |
| AOR | THE ALIQUIPPA & OHIO RIVER RAILROAD COMPANY |
| APA | APACHE RAILWAY COMPANY |
| APD | ALBANY PORT DISTRICT |
| APNC | APPANOOSE COUNTY COMMUNITY RAILROAD INC |
| APR | ALBERTA PRAIRIE RAILWAY |
| AR | ABERDEEN AND ROCKFISH RAILROAD COMPANY |
| ARA | ARCADE AND ATTICA RAILROAD CORPORATION |
| ARC | ALEXANDER RAILROAD COMPANY |
| ARR | ALASKA RAILROAD CORPORATION |
| ARS | ARKANSAS SOUTHERN RAILROAD |
| ART | A & R TERMINAL RAILROAD |
| ARZC | ARIZONA & CALIFORNIA RAILROAD CO |
| ASRY | ASHLAND RAILWAY CO |
| AT | AFFTON TERMINAL SERVICES RAILROAD LLC |
| ATL | ATLANTIC RAILWAYS COMPANY LLC |
| ATLT | AT & L RAILROAD CO INC |
| ATN | ALABAMA & TENNESSEE RIVER RAILWAY LLC |
| ATW | ATLANTIC & WESTERN RAILWAY L P |
| AUT | AUTAUGA NORTHERN RAILROAD LLC |
| AVR | ALLEGHENY VALLEY RAILROAD COMPANY |
| AVRR | AG VALLEY RAILROAD LLC |
| AWRR | AUSTIN WESTERN RAILROAD |
| AWRY | ADAMS WARNOCK RAILWAY INC. |
| AWW | ALGERS WINSLOW AND WESTERN RAILWAY COMPANY |
| AZCR | ARIZONA CENTRAL RAILROAD INC |
| AZER | ARIZONA EASTERN RAILWAY COMPANY |
| BAWT | BAYWAY TERMINAL SWITCHING COMPANY LLC |
| BAYL | BAY LINE RAILROAD L L C, THE |
| BB | BUCKINGHAM BRANCH RAILROAD COMPANY |
| BBAY | BOGALUSA BAYOU RAILROAD LLC |
| BCLR | BAY COLONY RAILROAD CORPORATION |
| BCRM | BCR PROPERTIES LTD. |
| BCRY | BARRIE-COLLINGWOOD RAILWAY |
| BDRV | BELVIDERE & DELAWARE RIVER RAILWAY COMPANY INC |
| BDTL | BALLARD TERMINAL RAILROAD CO LLC |
| BDW | BIGHORN DIVIDE & WYOMING RAILROAD INC |
| BEEM | BEECH MOUNTAIN RAILROAD COMPANY |
| BFT | BIG FOUR TERMINAL RAILROAD LLC |
| BGS | BIG SKY RAIL CORP |
| BH | B&H RAIL CORP |
| BHP | BHP NEVADA RAILROAD COMPANY |
| BHR | BROOKHAVEN RAIL LLC |
| BHRR | BIRMINGHAM TERMINAL RAILWAY LLC |
| BHS | BURNS HARBOR SHORTLINE RAILROAD COMPANY |
| BHWY | BOOT HILL & WESTERN RAILWAY COMPANY |
| BIR | BUCYRUS INDUSTRIAL RAILROAD, LLC |
| BIP | BELPRE INDUSTRIAL PARKERSBURG RAILROAD |
| BJRR | BAJA CALIFORNIA RAILROAD INC |
| BJRY | BURLINGTON JUNCTION RAILWAY |
| BKRR | BATTEN KILL RAILROAD INC |
| BLMR | BLUE MOUNTAIN RAILROAD INC |
| BLOL | BLOOMER LINE, THE |
| BLR | BLACKLANDS RAILROAD THE |
| BLU | BLUE RIDGE SOUTHERN RAILROAD LLC |
| BML | BELFAST AND MOOSEHEAD LAKE RAILROAD COMPANY |
| BNG | BLACKWELL NORTHERN GATEWAY RAILROAD COMPANY |
| BNML | BURLINGTON NORTHERN (MANITOBA) LTD |
| BNSF | BNSF RAILWAY COMPANY |
| BOCT | BALTIMORE AND OHIO CHICAGO TERMINAL RAILROAD CO |
| BOP | BORDER PACIFIC RAILROAD CO |
| BPRR | BUFFALO & PITTSBURGH RAILROAD INC |
| BRAN | BRANDON RAILROAD LLC |
| BRC | BELT RAILWAY COMPANY OF CHICAGO |
| BRG | BROWNSVILLE & RIO GRANDE INTERNATIONAL RAILWAY LLC |
| BRR | BATTLE RIVER RAILWAY NGC INC |
| BRW | BLACK RIVER & WESTERN CORPORATION |
| BS | BIRMINGHAM SOUTHERN RR CO |
| BSDA | BI-STATE DEVELOPMENT AGENCY |
| BSOR | BUFFALO SOUTHERN RAILROAD INC |
| BSR | BIG SPRING RAIL SYSTEM INC. |
| BSRR | BOSTON SURFACE RAILROAD COMPANY, INC |
| BSVY | BOONE & SCENIC VALLEY RAILROAD |
| BTR | BOUNDARY TRAIL RAILWAY COMPANY INC. |
| BVRR | BOISE VALLEY RAILROAD LLC |
| BVRY | BRANDYWINE VALLEY RAILROAD COMPANY |
| BXN | BAUXITE & NORTHERN RAILWAY COMPANY |
| CA | CHESAPEAKE & ALBEMARLE |
| CAGY | COLUMBUS AND GREENVILLE RAILWAY |
| CALA | CAROLINA SOUTHERN RAILROAD COMPANY, THE |
| CAMY | CAMP CHASE RAILWAY COMPANY LLC |
| CBNS | CAPE BRETON & CENTRAL NOVA SCOTIA RAILWAY |
| CBR | COOS BAY RAILROAD OPERATING CO. LLC |
| CBRW | COLUMBIA BASIN RAILROAD COMPANY INC |
| CBRY | COPPER BASIN RAILWAY INC |
| CCBH | COLORADO CENTRAL RAILROAD |
| CCET | CCET LLC |
| CCH | COLUMBUS & CHATTAHOOCHEE RAILROAD INC |
| CCKY | CHATTOOGA & CHICKAMAUGA RAILWAY CO |
| CCPN | CORPUS CHRISTI TERMINAL RAILROAD INC |
| CCRA | CAMP CHASE INDUSTRIAL RAILROAD CORPORATION |
| CCRL | CLEVELAND COMMERCIAL RAILROAD COMPANY LLC |
| CCT | CENTRAL CALIFORNIA TRACTION COMPANY |
| CCUO | CHICAGO-CHEMUNG RAILROAD CORP |
| CEIW | CENTRAL INDIANA & WESTERN RAILROAD CO INC |
| CEMR | CENTRAL MANITOBA RAILWAY INC |
| CER | CHARLOTTE WESTERN RAILROAD, LLC |
| CERA | CENTRAL RAILROAD COMPANY OF INDIANAPOLIS |
| CERR | CICERO CENTRAL RAILROAD L.L.C. |
| CF | CAPE FEAR RAILWAYS INC |
| CFE | CHICAGO FT WAYNE & EASTERN A DIVISION OF CENTRAL RAILROAD OF INDIANAPOLIS INC |
| CFL | C F LANAUDIERE INC |
| CFNR | CALIFORNIA NORTHERN RAILROAD COMPANY LP |
| CFS | SARTIGAN RAILWAY/CHEMIN DE FER SARTIGAN |
| CFWR | CANEY FORK AND WESTERN RR |
| CGR | CG RAILWAY INC |
| CHAT | CHATTAHOOCHEE BAY RAILROAD INC |
| CHB | CLEVELAND HARBOR BELT RAILROAD LLC |
| CHR | CHESTNUT RIDGE RAILWAY COMPANY |
| CHS | CHARLOTTE SOUTHERN RAILROAD COMPANY |
| CIC | CEDAR RAPIDS & IOWA CITY RAILWAY COMPANY |
| CIND | CENTRAL RAILROAD OF INDIANA |
| CIR | CITY OF ROCHELLE ILLINOIS |
| CIRR | CHATTAHOOCHEE INDUSTRIAL RAILROAD |
| CIRY | CENTRAL ILLINOIS RAILROAD COMPANY |
| CJR | CHICAGO JUNCTION RAILWAY COMPANY LLC |
| CKIN | CHESAPEAKE AND INDIANA RAILROAD COMPANY INC |
| CLC | COLUMBIA & COWLITZ RAILWAY LLC |
| CLCY | CHESSIE LOGISTICS CO. LLC |
| CLNA | CAROLINA COASTAL RAILWAY INC |
| CLP | CLARENDON AND PITTSFORD RAILROAD COMPANY, THE |
| CM | CENTRAL MONTANA RAIL INC |
| CMPA | MADISON RAILROAD (A DIV OF CITY OF MADISON PORT AUTHORITY) |
| CMQ | CENTRAL MAINE & QUEBEC RAILWAY |
| CMSL | CAPE MAY SEASHORE LINES |
| CN | CANADIAN NATIONAL RAILWAYS |
| CNAT | CN AQUATRAIN |
| CNRR | CORNHUSKER RAILROAD, LLC |
| CNUR | C & NC RAILROAD CORPORATION |
| CNYK | CENTRAL NEW YORK RAILROAD CORPORATION |
| CNZR | CENTRAL NEW ENGLAND RAILROAD CO INC |
| COEH | CONECUH VALLEY RAILWAY LLC |
| COER | CRAB ORCHARD & EGYPTIAN RAILWAY A DIVISION OF PROGRESSIVE RAIL IN |
| COP | CITY OF PRINEVILLE RAILWAY |
| CORP | CENTRAL OREGON & PACIFIC RAILROAD INC |
| CORY | COLUMBIA & READING RAILWAY CO |
| CPC | CHICAGO PORT RAILROAD COMPANY |
| CPDR | CAROLINA PIEDMONT DIVISION SOUTH CAROLINA CENTRAL RAILROAD COMPANY INC |
| CPMY | COOPERSVILLE AND MARNE RAILWAY COMPANY |
| CPR | CATERPARROTT RAILNET LLC |
| CPRL | CHICAGO RAIL & PORT LLC |
| CPRS | CANADIAN PACIFIC RAILWAY |
| CRC | CINCINNATI RAILWAY COMPANY |
| CRE | CHICAGO SUGAR EXPRESS RAILROAD |
| CRL | CHICAGO RAIL LINK |
| CSCD | CASCADE AND COLUMBIA RIVER RAILROAD COMPANY |
| CSRJ | COLUMBIA SHIPYARDS RAILROAD LLC |
| CSKR | C & S RAILROAD CORPORATION |
| CSO | CONNECTICUT SOUTHERN RAILROAD INC |
| CSP | CHICAGO, ST. PAUL & PACIFIC RAILROAD, LLC |
| CSR | CAMDEN & SOUTHERN RAILROAD INC |
| CSS | CHICAGO SOUTHSHORE & SOUTH BEND RAILROAD |
| CSXT | CSX TRANSPORTATION |
| CT | COLUMBIA TERMINAL |
| CTM | CHICAGO TERMINAL RAILROAD |
| CTN | CANTON RAILROAD COMPANY |
| CTR | CLINTON TERMINAL RAILROAD COMPANY |
| CTRR | CLOQUET TERMINAL RAILROAD COMPANY INC |
| CTRW | CARLTON TRAIL RAILWAY COMPANY |
| CTXR | CENTRAL TEXAS & COLORADO RIVER RAILWAY LLC |
| CUOH | COLUMBUS & OHIO RAILROAD COMPANY |
| CVLY | CLACKAMAS VALLEY RAILWAY LLC |
| CVR | CIMARRON VALLEY RAILROAD L C |
| CVRC | PROGRESSIVE RAIL INC D/B/A CANNON VALLEY RAILROAD COMPANY |
| CVYR | CADDO VALLEY RAILROAD COMPANY |
| CW | COLORADO & WYOMING RWY CO |
| CWA | CENTRAL WASHINGTON RAILROAD COMPANY |
| CWCY | CALDWELL COUNTY RAILROAD COMPANY |
| CWR | CWRR INC |
| CWRO | CLEVELAND WORKS RAILWAY COMPANY |
| CWRY | COMMONWEALTH RAILWAY INC |
| CWW | CWW LLC |
| CXR | COLORADO PACIFIC RAILROAD |
| CXRG | COLORADO PACIFIC RIO GRANDE RAILROAD LLC |
| CZRY | CARRIZO GORGE RAILWAY INC |
| DAIR | D & I RAILROAD COMPANY |
| DAKS | DAKOTA SHORT LINE |
| DALT | DALLAS TERMINAL RAILWAY |
| DC | DELRAY CONNECTING RAILROAD COMPANY |
| DCC | DECATUR CENTRAL RAILROAD INC. |
| DCON | DETROIT CONNECTING RAILROAD COMPANY |
| DCR | DELMARVA CENTRAL RAILROAD COMPANY |
| DCRR | DUBOIS COUNTY RAILROAD |
| DD | DOVER AND DELAWARE RIVER RAILROAD, LLC |
| DFW | DALLAS FORT WORTH & SOUTHERN RAILWAY COMPANY |
| DGNO | DALLAS GARLAND & NORTHEASTERN RAILROAD INC |
| DGVR | DURBIN & GREENBRIER VALLEY RAILROAD INC |
| DIR | DAVENPORT INDUSTRIAL RAILROAD, LLC |
| DL | DELAWARE-LACKAWANNA RAILROAD CO INC |
| DLWR | DEPEW LANCASTER & WESTERN RAILROAD CO INC |
| DMM | DANSVILLE AND MOUNT MORRIS RAILROAD COMPANY, THE |
| DMVW | DAKOTA MISSOURI VALLEY & WESTERN RAILROAD INC |
| DN | DAKOTA NORTHERN RAILROAD INC |
| DQE | DEQUEEN & EASTERN RAILROAD LLC |
| DR | DARDANELLE & RUSSELLVILLE RAILROAD COMPANY |
| DREI | DECATUR & EASTERN ILLINOIS RAILROAD LLC |
| DRIR | DENVER ROCK ISLAND RAILROAD |
| DRR | DELAWARE AND RARITAN RIVER RAILROAD |
| DRRV | DOVER & ROCKAWAY RIVER RAILROAD |
| DSC | DRAKE SWITCHING COMPANY LLC |
| DSRC | DAKOTA SOUTHERN RAILWAY COMPANY |
| DSRR | DELTA SOUTHERN RAILROAD COMPANY |
| DT | DECATUR JUNCTION RAILWAY COMPANY |
| DUSR | DUTCHTOWN SOUTHERN RAILROAD, LLC |
| DV | DELAWARE VALLEY RAILWAY COMPANY INC |
| DVR | DEVCO RY (CAPE BRETON DEVELOPMENT CORP) |
| DVS | DELTA VALLEY & SOUTHERN RAILWAY COMPANY |
| EACH | EAST CAMDEN & HIGHLAND RR CO |
| EARY | EASTERN ALABAMA RAILWAY |
| EBG | EASTERN BERKS GATEWAY RAILROAD COMPANY |
| EBSR | EAST BROOKFIELD & SPENCER RAILROAD LLC |
| EBTC | EAST BROAD TOP CONNECTING RAILROAD |
| ECO | ECORAIL INC |
| ECTB | EAST CHATTANOOGA BELT RAILWAY COMPANY |
| ECYR | EASTSIDE COMMUNITY RAIL LLC |
| EDW | EL DORADO AND WESSON RAILWAY COMPANY |
| EE | ELLIS & EASTERN COMPANY |
| EEC | EAST ERIE COMMERCIAL RAILROAD |
| EFRR | EFFINGHAM RAILROAD COMPANY |
| EIRR | EASTERN IDAHO RAILROAD LLC |
| EJR | EAST JERSEY RAILROAD AND TERMINAL COMPANY |
| EJSR | ELWOOD JOLIET & SOUTHERN RAILROAD L.L.C |
| ELKR | ELK RIVER RAILROAD INC |
| ELS | ESCANABA AND LAKE SUPERIOR RAILROAD COMPANY |
| EMHR | EAST MAHANOY & HAZELTON RAILROAD COMPANY |
| EMRY | EASTERN MAINE RAILWAY COMPANY |
| ENR | E & N RAILWAY COMPANY (1998) LTD |
| EOVR | EAST OHIO VALLEY RAILWAY LLC |
| ERRT | EAST CHICAGO RAIL TERMINAL, LLC |
| ESPN | EAST PENN RAILROAD LLC |
| ETL | ESSEX TERMINAL RAILWAY COMPANY, THE |
| ETRY | EAST TENNESSEE RAILWAY L P |
| EV | EVERETT RAILROAD |
| EVWR | EVANSVILLE WESTERN RAILWAY INC |
| EWR | ELKHART & WESTERN RAILROAD CO |
| EZR | ELIZABETHTOWN INDUSTRIAL RAILROAD LLC |
| FC | FULTON COUNTY RAILROAD INC |
| FCCM | COMPANIA DE FERROCARRILES CHIAPAS MAYAB SA DE CV |
| FCEN | FLORIDA CENTRAL RAILROAD CO |
| FCR | FULTON COUNTY RAILWAY LLC |
| FCRD | FIRST COAST RAILROAD INC |
| FEC | FLORIDA EAST COAST RAILWAY LLC |
| FGA | FLORIDA GULF & ATLANTIC RAILROAD, LLC |
| FGLK | FINGER LAKES RAILWAY CORP |
| FIR | FLATS INDUSTRIAL RAILROAD COMPANY |
| FIT | FERROCARRIL DEL ISTMO DE TEHUANTEPEC, S.A. DE C.V. |
| FMID | FLORIDA MIDLAND RAILROAD CO INC |
| FMR | FORTY MILE RAILROAD INC. |
| FMRC | FARMRAIL CORPORATION |
| FNOR | FLORIDA NORTHERN RAILROAD COMPANY INC |
| FOXY | FOX VALLEY & LAKE SUPERIOR RAIL SYSTEM, L.L.C. |
| FP | FORDYCE AND PRINCETON RAILROAD CO |
| FRR | FALLS ROAD RAILROAD CO INC |
| FRVT | FORE RIVER TRANSPORTATION CORPORATION |
| FSR | FORT SMITH RAILROAD CO |
| FSRR | FERROSUR S A DE C V |
| FWCR | FLORIDA WEST COAST RAILROAD INC |
| FWDB | FORT WORTH & DALLAS BELT RAILROAD |
| FWRY | FILMORE & WESTERN RAILWAY |
| FWWR | FORT WORTH & WESTERN RAILROAD |
| FXE | FERROCARRIL MEXICANO S A DE C V |
| GC | GEORGIA CENTRAL RAILWAY L P |
| GCK | GEORGES CREEK RAILWAY |
| GCW | GARDEN CITY WESTERN RAILWAY COMPANY, THE |
| GDLK | GRAND ELK RAILROAD LLC. |
| GET | GETTYSBURG & NORTHERN RAILROAD CO |
| GEXR | GODERICH-EXETER RAILWAY COMPANY LTD |
| GFR | GRAND FORKS RAILWAY COMPANY |
| GFRR | GEORGIA & FLORIDA RAILWAY LLC |
| GIO | GIO RAILWAYS |
| GITM | GOLDEN ISLES TERMINAL RAILROAD INC |
| GLC | GREAT LAKES CENTRAL RAILROAD |
| GLTR | GREAT LAKES TERMINAL RAILROAD, LLC |
| GMR | GEORGIA MIDLAND RAILROAD INC |
| GMRC | GREEN MOUNTAIN RAILROAD CORPORATION |
| GNBC | GRAINBELT CORPORATION |
| GNPR | GNP RLY INC. |
| GNRR | GEORGIA NORTHEASTERN RAILROAD CO |
| GOGR | GEAUX GEAUX RAILROAD LLC |
| GOOS | GOOSE LAKE RAILWAY LLC |
| GR | GRAND RAPIDS EASTERN RAILROAD INC |
| GRD | GARDENDALE RAILROAD INC |
| GRLW | GREENVILLE & WESTERN RAILWAY COMPANY LLC |
| GRNW | GREAT NORTHWEST RAILROAD LLC |
| GRR | GEORGETOWN RAILROAD COMPANY |
| GRRY | THE GREAT LAKE PORT CORPORATION D/B/A THE GRAND RIVER RAILWAY |
| GRW | GARY RAILWAY COMPANY |
| GRWR | GREAT WALTON RAILROAD CO, THE |
| GRYR | GRENADA RAILROAD LLC D/B/A GRENADA RAILWAY |
| GS | GEORGIA SOUTHERN RAILWAY CO. |
| GSI | GULF & SHIP ISLAND RAILROAD LLC |
| GSM | GREAT SMOKEY MOUNTAINS RAILWAY INC |
| GSR | GREAT SANDHILLS RAILWAY LTD. |
| GSWR | GEORGIA SOUTHWESTERN RAILROAD INC |
| GTR | GREAT RIVER RAILROAD |
| GTRA | GOLDEN TRIANGLE RAILROAD LLC |
| GU | GRAFTON AND UPTON RAILROAD COMPANY |
| GVSR | GALVESTON RAILROAD LP |
| GWR | GREAT WESTERN RAILWAY OF COLORADO LLC |
| GWRC | GEORGIA WOODLANDS RAILROAD CO |
| GWRS | GREAT WESTERN RAILWAY LTD |
| GWWE | GATEWAY EASTERN RAILWAY COMPANY |
| HAL | HILTON & ALBANY RAILOAD INC. |
| HB | HAMPTON & BRANCHVILLE RAILROAD COMPANY |
| HBRY | HUDSON BAY RAILWAY COMPANY |
| HCRY | HURON CENTRAL RAILWAY INC |
| HE | HOLLIS & EASTERN R R CO |
| HESR | HURON AND EASTERN RAILWAY COMPANY INC |
| HIRR | HAINESPORT INDUSTRIAL RAILROAD LLC |
| HIRW | HERRIN RAILROAD, LLC |
| HLSC | HAMPTON RAILWAY INC |
| HMCR | HUNTSVILLE & MADISON COUNTY RAILROAD AUTHORITY |
| HN | HUTCHINSON AND NORTHERN RAILWAY COMPANY, THE |
| HNW | HAMILTON NORTHWESTERN RAILROAD CO. |
| HOB | HENDERSON OVERTON BRANCH |
| HOG | HEART OF GEORGIA RAILROAD INC |
| HOS | HOOSIER SOUTHERN RAILROAD |
| HPTD | HIGH POINT THOMASVILLE & DENTON RAILROAD COMPANY |
| HR | HERITAGE RAILROAD CORP |
| HRR | HONDO RAILWAY LLC |
| HRRC | HOUSATONIC RAILROAD COMPANY INC |
| HRT | HARTWELL RAILROAD COMPANY |
| HSR | HAINESPORT SECONDARY LLC |
| HSRR | HARDIN SOUTHERN RAILROAD INC |
| HTR | HEART OF TEXAS RAILROAD LP |
| IAIS | IOWA INTERSTATE RAILROAD LTD |
| IANR | IOWA NORTHERN RAILROAD |
| IANW | IOWA NORTHWESTERN RAILROAD |
| IARR | IOWA RIVER RAILROAD INC |
| IATR | IOWA TRACTION RAILWAY COMPANY |
| IBT | INTERNATIONAL BRIDGE AND TERMINAL COMPANY, THE |
| ICRK | INDIAN CREEK RAILROAD COMPANY |
| IERR | INDIANA EASTERN RAILROAD LLC |
| IHB | INDIANA HARBOR BELT RAILROAD COMPANY |
| ILW | ILLINOIS WESTERN RAILROAD COMPANY |
| IMR | ITAWAMBA MISSISSIPPIAN RAILROAD LLC |
| IMRR | ILLINOIS & MIDLAND RAILROAD INC |
| IN | INDIANA NORTHEASTERN RAILROAD COMPANY INC |
| INPR | IDAHO NORTHERN & PACIFIC RAILROAD COMPANY |
| INRD | INDIANA RAIL ROAD CORPORATION |
| IORY | INDIANA & OHIO RAILWAY COMPANY |
| IR | ILLINOIS RAILWAY LLC |
| ISR | IOWA SOUTHERN RAILROAD COMPANY |
| ISRR | INDIANA SOUTHERN RAILROAD COMPANY INC |
| ISRY | IOWA SOUTHERN RAILWAY COMPANY |
| ISW | INDIANA SOUTHWESTERN RAILWAY CO |
| ITHR | ITHACA CENTRAL RAILROAD LLC |
| JAIL | JACKSON & LANSING RAILROAD COMPANY |
| JKL | J K LINE INC |
| JVRR | JUNIATA VALLEY RAILROAD COMPANY |
| JXPT | JACKSONVILLE PORT TERMINAL RAILROAD L.L.C. |
| KAW | KAW RIVER RAILROAD |
| KBSR | KANKAKEE BEAVERVILLE AND SOUTHERN RAILROAD COMPANY |
| KCS | KANSAS CITY SOUTHERN RAILWAY COMPANY |
| KCSM | KANSAS CITY SOUTHERN DE MEXICO S DE R L DE C V |
| KCTL | KANSAS CITY TRANSPORTATION CO LLC |
| KFR | KETTLE FALLS INTERNATIONAL RAILWAY LLC |
| KGTR | KINGMAN TERMINAL RAILROAD LLC |
| KJR | KISKI JUNCTION RAILROAD |
| KJRY | KEOKUK JUNCTION RAILWAY |
| KKRR | KNOX & KANE RAILROAD COMPANY |
| KNOR | KLAMATH NORTHERN RAILWAY COMPANY |
| KNR | KINSTON RAILROAD, LLC |
| KNWA | KANAWHA RIVER RAILROAD L.L.C. |
| KO | KANSAS & OKLAHOMA RAILROAD LLC |
| KPR | KELOWNA PACIFIC RAILWAY LTD |
| KRL | KASGRO RAIL LINES |
| KRR | KIAMICHI RAILROAD COMPANY LLC |
| KRS | KATAHDIN RAILCAR SERVICES LLC |
| KSRY | KOSCIUSKO SOUTHWESTERN RAILWAY |
| KT | KENTUCKY AND TENNESSEE RAILWAY |
| KTR | KENDALLVILLE TERMINAL RAILWAY CO |
| KWT | KWT RAILWAY INC |
| KXCG | KNOXVILLE AND CUMBERLAND GAP RAILROAD COMPANY, LLC |
| KXHR | KNOXVILLE & HOLSTON RIVER RAILROAD CO INC |
| KYLE | KYLE RAILROAD COMPANY |
| LAJ | LOS ANGELES JUNCTION RAILWAY COMPANY |
| LAL | LIVONIA AVON & LAKEVILLE RAILROAD CORPORATION |
| LAS | LOUISIANA SOUTHERN RAILROAD |
| LBR | LOWVILLE AND BEAVER RIVER RAILROAD COMPANY THE |
| LBWR | LUBBOCK & WESTERN RAILWAY L.L.C. |
| LC | LANCASTER & CHESTER RAILROAD LLC. |
| LCR | LAKE COUNTY RAILROAD |
| LCRI | LONG CREEK RAILROAD COMPANY INC |
| LDRR | LOUISIANA & DELTA RAILROAD INC |
| LER | LOGANSPORT & EEL RIVER SHORT-LINE CO INC |
| LFCD | LINEA COAHUILA DURANGO SA DE CV |
| LI | LONG ISLAND RAILROAD COMPANY |
| LINC | LEWIS & CLARK RAILWAY CO |
| LIRC | LOUISVILLE & INDIANA RAILROAD COMPANY |
| LIRR | LAPEER INDUSTRIAL RAILROAD COMPANY |
| LKRR | LITTLE KANAWHA RIVER RAIL INC |
| LLG | LEAVENWORTH, LAWRENCE & GALVESTON DBA BALDWIN CITY & SOUTHERN |
| LLR | LAKE LINE RAILROAD INC. |
| LMIC | LAKE MICHIGAN AND INDIANA RAILROAD COMPANY |
| LMR | LAST MOUNTAIN RAILWAY |
| LNAL | LOUISVILLE NEW ALBANY & CORYDON RAILROAD |
| LNVT | LANDISVILLE TERMINAL & TRANSFER COMPANY |
| LNW | LOUISIANA AND NORTH WEST RAILROAD COMPANY, THE |
| LPN | LONGVIEW, PORTLAND & NORTHERN RAILWAY COMPANY |
| LRA | LOUISVILLE RIVERPORT AUTHORITY RAILROAD |
| LRPA | LITTLE ROCK PORT RAILROAD |
| LRS | LAURINBURG AND SOUTHERN RAILROAD COMPANY |
| LRWN | LITTLE ROCK & WESTERN RAILWAY L P |
| LRWY | LEHIGH RAILWAY LLC. |
| LS | LUZERNE AND SUSQUEHANNA RAILWAY COMPANY |
| LSI | LAKE SUPERIOR & ISHPEMING RAILROAD COMPANY |
| LSRC | LAKE STATE RAILWAY COMPANY |
| LT | LAKE TERMINAL RAILROAD COMPANY, THE |
| LVR | LANDISVILLE RAILROAD LLC |
| LVRB | LEHIGH VALLEY RAIL MANAGEMENT LLC - BETHLEHEM DIVISION |
| LVRJ | LEHIGH VALLEY RAIL MANAGEMENT LLC - JOHNSTOWN DIVISION |
| LVRR | LYCOMING VALLEY RAILROAD COMPANY |
| LVSW | LONGVIEW SWITCHING COMPANY |
| LW | LOUISVILLE AND WADLEY RAILWAY COMPANY |
| LXVR | LUXAPALILA VALLEY RAILROAD INC |
| MAA | MAGMA ARIZONA RAILROAD COMPANY |
| MAL | MICHIGAN AIR-LINE RAILWAY CO |
| MAN | MANNING RAIL INC |
| MAUP | MANATEE COUNTY PORT AUTHORITY |
| MAW | MAUMEE & WESTERN RAILROAD CORPORATION |
| MC | MASSACHUSETTS COASTAL RAILROAD LLC |
| MCER | MASSACHUSETTS CENTRAL RAILROAD CORPORATION |
| MCLR | MCLAUGHLIN LINE RAILROAD |
| MCR | MCCLOUD RAILWAY COMPANY |
| MCRI | MIDCOAST RAILSERVICE, INC. |
| MCSA | MOSCOW CAMDEN & SAN AUGUSTINE RAILROAD |
| MCVR | MERCED COUNTY CENTRAL VALLEY RAILROAD LLC |
| MD | C&J RAILROAD COMPANY D/B/A MISSISSIPPI DELTA RAILROAD |
| MDDE | MARYLAND AND DELAWARE RAILROAD COMPANY |
| MDK | MIDLAND RAILROAD |
| MDS | MERIDIAN SOUTHERN RAILWAY LLC |
| MDW | MINNESOTA DAKOTA & WESTERN RAILWAY COMPANY |
| ME | MORRISTOWN & ERIE RAILWAY INC |
| MET | MODESTO AND EMPIRE TRACTION COMPANY |
| METW | MUNICIPALITY OF EAST TROY WISCONSIN |
| MGRI | MG RAIL INC |
| MH | MT HOOD RAILROAD CO |
| MHC | MOHALL CENTRAL RAILROAD INC |
| MHWA | MOHAWK ADIRONDACK & NORTHERN RAILROAD CORP |
| MIDH | MIDDLETOWN & HUMMELSTOWN RAILROAD COMPANY |
| MER | MISSOURI EASTERN RAILROAD, LLC |
| MJ | MANUFACTURERS JUNCTION RAILWAY COMPANY |
| MMID | MARYLAND MIDLAND RAILWAY INC |
| MMRR | MID-MICHIGAN RAILROAD INC |
| MMT | MISSION MOUNTAIN RAILROAD |
| MNA | MISSOURI & NORTHERN ARKANSAS RAILROAD COMPANY INC |
| MNBR | M&B RAILROAD LLC |
| MNC | MOTIVE RAIL INC D/B/A MISSOURI NORTH CENTRAL RAILROAD |
| MNJ | MIDDLETOWN & NEW JERSEY RAILWAY LLC |
| MNN | MINNESOTA NORTHERN RAILROAD INC |
| MNNR | MINNESOTA COMMERCIAL RAILWAY CO |
| MNR | MAINE NORTHERN RAILWAY COMPANY |
| MPLI | MINNESOTA PRAIRIE LINE INC |
| MPR | MOUNTAIN PACIFIC RAILROAD LLC |
| MQT | MARQUETTE RAIL LLC |
| MRA | MINERAL RANGE INC. |
| MRI | MOHALL RAILROAD INC |
| MRRR | MCKEES ROCKS RAILROAD LLC |
| MS | MICHIGAN SHORE RAILROAD INC |
| MSCI | MISSISSIPPI CENTRAL RAILROAD COMPANY |
| MSE | MISSISSIPPI EXPORT RAILROAD COMPANY |
| MSN | BALLARD TERMINAL RAILROAD COMPANY LLC D/B/A MEEKER SOUTHERN RAILROAD |
| MSO | MICHIGAN SOUTHERN RAILROAD CO INC |
| MSR | MISSISSIPPI SOUTHERN RAILROAD |
| MSRW | MISSISSIPPIAN RAILWAY COOPERATIVE INC |
| MSTR | MASSENA TERMINAL RAILROAD COMPANY, THE |
| MSV | MISSISSIPPI & SKUNA VALLEY RAILROAD LLC |
| MTNR | MISSISSIPPI TENNESSEE RAILROAD LLC |
| MVRY | MAHONING VALLEY RAILWAY COMPANY, THE |
| MVT | MT VERNON TERMINAL RAILWAY INC |
| NAUG | NAUGATUCK RAILROAD COMPANY INC |
| NBER | NITTANY & BALD EAGLE RAILROAD CO |
| NBSR | NEW BRUNSWICK SOUTHERN RAILWAY COMPANY LIMITED |
| NCIR | NEW CASTLE INDUSTRIAL RAILROAD |
| NCPR | NORTH CAROLINA PORTS RAILWAY COMMISSION |
| NCRC | NEBRASKA CENTRAL RAILROAD COMPANY |
| NCRL | NC RAILROAD INC |
| NCS | NCSR LLC. D/B/A NEW CASTLE SOUTHERN RAILROAD |
| NCVA | NORTH CAROLINA & VIRGINIA RAILROAD CO INC |
| NCYR | NASH COUNTY RAILROAD CORP |
| NDCR | N D C RAILROAD COMPANY |
| NECR | NEW ENGLAND CENTRAL RAILROAD INC |
| NEGS | NEW ENGLAND SOUTHERN RAILROAD CO INC |
| NERR | NASHVILLE AND EASTERN RAILROAD CORP |
| NET | NORTHEAST TEXAS CONNECTOR LLC |
| NFTS | THE NELSON AND FT. SHEPPARD RAILWAY CORPORATION |
| NHCR | NEW HAMPSHIRE CENTRAL RAILROAD INC |
| NHN | NEW HAMPSHIRE NORTHCOAST CORP |
| NHRR | NEW HOPE & IVYLAND RAILROAD |
| NHVT | NEW HAMPSHIRE AND VERMONT RAILROAD COMPANY |
| NJRC | NEW JERSEY RAIL CARRIER LLC |
| NJRT | N J TRANSIT RAIL OPERATIONS – COMMUTER CARRIER |
| NJSL | NEW JERSEY SEASHORE LINES INC. |
| NKCR | NEBRASKA KANSAS & COLORADO RAILNET INC |
| NLA | NORTH LOUISIANA & ARKANSAS RAILROAD |
| NLR | NORTHERN LINES RAILWAY LLC |
| NLRL | NORTHERN LIGHTS RAIL LTD. |
| NMGR | NEW MEXICO GATEWAY RAILROAD LLC |
| NNW | NEBRASKA NORTHWESTERN RAILROAD INC. |
| NOGC | NEW ORLEANS & GULF COAST RAILWAY COMPANY INC |
| NOKL | NORTHWESTERN OKLAHOMA RAILROAD COMPANY |
| NOPB | NEW ORLEANS PUBLIC BELT RAILROAD |
| NOW | NORTHERN OHIO & WESTERN RAILWAY LTD |
| NPB | NORFOLK & PORTSMOUTH BELT LINE RAILROAD COMPANY |
| NPR | NORTHERN PLAINS RAILROAD INC |
| NS | NORFOLK SOUTHERN RAILWAY COMPANY (NORFOLK SOUTHERN) |
| NSHR | NORTH SHORE RAILROAD CO |
| NSR | NEWBURGH & SOUTH SHORE RAILROAD COMPANY |
| NTRY | NIMISHILLEN & TUSCARAWAS LLC |
| NTZR | NATCHEZ RAILWAY INC. |
| NVRR | NAPA VALLEY RAILROAD CO |
| NWP | NORTHWESTERN PACIFIC RAILROAD COMPANY |
| NWR | NASHVILLE & WESTERN RAILROAD CORP |
| NYA | NEW YORK & ATLANTIC RAILWAY COMPANY |
| NYGL | NEW YORK & GREENWOOD LAKE RAILWAY |
| NYLE | NEW YORK & LAKE ERIE RAILROAD |
| NYNJ | NEW YORK NEW JERSEY RAIL LLC |
| NYOG | NEW YORK & OGDENSBURG RAILWAY COMPANY INC |
| NYSW | NEW YORK SUSQUEHANNA AND WESTERN RAILWAY CORP |
| OAR | OLD AUGUSTA RAILROAD LLC |
| OBRY | GIO RAILWAYS CORPORATION DBA ORANGEVILLE BRAMPTON RAILWAY |
| OCTL | OIL CREEK & TITUSVILLE LINES |
| OERR | OREGON EASTERN RAILROAD |
| OHCR | OHIO CENTRAL RAILROAD CO |
| OHIC | OHI-RAIL CORPORATION |
| OHIO | OHIO TERMINAL RAILWAY COMPANY |
| OHPA | OHIO & PENNSYLVANIA RAILROAD COMPANY |
| OHRY | OWEGO & HARFORD RAILWAY INC |
| OIRR | OREGON INDEPENDENCE RAILROAD, LLC |
| OKAN | OKANAGAN VALLEY RAILWAY COMPANY |
| OLB | OMAHA LINCOLN AND BEATRICE RAILWAY COMPANY |
| OLO | ONTARIO L'ORIGNAL RAILWAY INC |
| OMID | ONTARIO MIDLAND RAILROAD CORPORATION |
| ON | OTTAWA NORTHERN RAILROAD LLC |
| ONCT | ONTARIO CENTRAL RAILROAD CORPORATION |
| ONT | ONTARIO NORTHLAND RAILWAY (ONTARIO NORTHLAND TRANS COMMISSION) |
| OPE | OREGON PACIFIC & EASTERN RAILWAY COMPANY |
| OPR | OREGON PACIFIC RAILROAD CO |
| OPT | ORANGE PORT TERMINAL RAILWAY |
| ORC | OGEECHEE RAILROAD COMPANY |
| OS | ONTARIO SOUTHLAND RAILWAY INC |
| OSCR | INDIANA EASTERN RAILROAD LLC D/B/A OHIO SOUTH CENTRAL RAILROAD |
| OSRR | OHIO SOUTHERN RAILROAD CO |
| OTCO | OWENSVILLE TERMINAL CO INC |
| OTR | OAKLAND TERMINAL RAILROAD COMPANY |
| OTVR | OTTERTAIL VALLEY RAILROAD CO INC |
| OUCH | OUACHITA RAILROAD |
| OVR | OHIO VALLEY RAILROAD COMPANY |
| OVRR | OZARK VALLEY RAILROAD INC |
| OYLO | OLYMPIA & BELMORE RAILROAD INC. |
| PAL | PADUCAH & LOUISVILLE RAILWAY |
| PAM | PITTSBURGH ALLEGHENY & MCKEES ROCKS RR CO |
| PAS | PAN AM SOUTHERN LLC. |
| PBR | PATAPSCO & BACK RIVERS RAILROAD COMPANY |
| PBVR | PORT BIENVILLE RAILROAD |
| PCC | PALOUSE RIVER & COULEE CITY RAILROAD LLC |
| PCN | POINT COMFORT & NORTHERN RAILWAY COMPANY |
| PDRR | PEE DEE RIVER RAILROAD CORP |
| PGR | PROGRESSIVE RAIL INC |
| PHL | PACIFIC HARBOR LINE INC |
| PHRR | PORT HARBOR RAILROAD INC |
| PI | PADUCAH & ILLINOIS RAILROAD COMPANY |
| PIR | PERU INDUSTRIAL RAILROAD LLC |
| PJR | PORT JERSEY RAILROAD CO |
| PKHP | PICKENS RAILWAY COMPANY |
| PMR | PORT MANATEE RAILROAD, LLC |
| PN | PENNSYLVANIA NORTHEASTERN RAILROAD LLC |
| PNR | PANHANDLE NORTHERN RAILROAD COMPANY |
| PNW | PRESCOTT AND NORTHWESTERN RAILROAD COMPANY |
| PNWR | PORTLAND & WESTERN RAILROAD INC |
| POHC | THE PITTSBURGH & OHIO CENTRAL RAILROAD COMPANY |
| POTB | PORT OF TILLAMOOK BAY RAILROAD |
| POVA | PEND OREILLE VALLEY RAILROAD (PORT OF PEND OREILLE) |
| PR | SOUTH CAROLINA DIVISION OF PUBLIC RAILWAYS D/B/A PALMETTO RAILWAY |
| PRI | PORT RAIL INC. |
| PRV | PEARL RIVER VALLEY RAILROAD COMPANY |
| PRY | PIONEER INDUSTRIAL RAILWAY CO |
| PSAP | THE PUGET SOUND & PACIFIC RAILROAD COMPANY A DIVISION OF THE ARIZONA & CALIFORNIA RAILROAD CO LP |
| PSC | PYCO INDUSTRIES INC |
| PSCC | PENNSYLVANIA & SOUTHERN RAILWAY LLC |
| PSWR | PENNSYLVANIA SOUTHWESTERN RAILROAD INC |
| PT | PENINSULA TERMINAL COMPANY |
| PTC | PLAINVIEW TERMINAL COMPANY |
| PTRA | PORT TERMINAL RAILROAD ASSOCIATION |
| PTRC | PORTLAND TERMINAL RAILROAD COMPANY |
| PVJR | PORTLAND VANCOUVER JUNCTION RAILROAD LLC |
| PVRR | PIONEER VALLEY RAILROAD COMPANY |
| PVS | PECOS VALLEY PERMIAN RAILROAD LLC DBA PECOS VALLEY SOUTHERN RAILW |
| PW | PROVIDENCE AND WORCESTER RAILROAD COMPANY |
| QGRY | QUEBEC GATINEAU RAILWAY INC |
| QNSL | QUEBEC NORTH SHORE AND LABRADOR RAILWAY COMPANY |
| QRR | QUINCY RAILROAD COMPANY |
| RARW | RARUS RAILWAY COMPANY |
| RBMN | READING BLUE MOUNTAIN & NORTHERN RAILROAD COMPANY |
| RCPE | RAPID CITY PIERRE & EASTERN RAILROAD INC. |
| RCRR | RED COAT ROAD & RAIL LTD |
| RCRY | RARITAN CENTRAL RAILWAY LLC |
| RER | THE ROCHESTER & ERIE RAILWAY LLC |
| RFCC | RALEIGH AND FAYETTEVILLE RAILROAD, LLC |
| RI | CHICAGO, ROCK ISLAND & PACIFIC RAILROAD, LLC DBA ROCK ISLAND RAIL |
| RJAL | RJ CORMAN RAILROAD COMPANY/CHILDERSBURG LINE, LLC |
| RJCC | R J CORMAN RAILROAD COMPANY/CENTRAL KENTUCKY LINES |
| RJCD | RJ CORMAN RAILROAD COMPANY/TEXAS LINES LLC |
| RJCK | R J CORMAN RAILROAD COMPANY/TENNESSEE TERMINAL LLC |
| RJCL | R J CORMAN RAILROAD COMPANY/CLEVELAND LINE |
| RJCM | R J CORMAN RAILROAD COMPANY/MEMPHIS LINE |
| RJCN | R J CORMAN RAILROAD COMPANY/ALLENTOWN LINES INC |
| RJCP | R J CORMAN RAILROAD COMPANY/PENNSYLVANIA LINES INC |
| RJCR | R J CORMAN RAILROAD CORPORATION/BARDSTOWN LINE |
| RJCS | RJ CORMAN RAILROAD CO/CAROLINA LINES LLC |
| RJCV | R J CORMAN RAILROAD COMPANY/WV LINE |
| RJCW | R J CORMAN RAILROAD COMPANY/WESTERN OHIO LINE |
| RL | RUTLAND LINE INC |
| RLHH | RAILINK SOUTHERN ONTARIO |
| RLK | RAILINK OTTAWA VALLEY |
| RMRR | ROCKY MOUNTAIN RAILCAR AND RAILROAD INC |
| RNA | RIPLEY & NEW ALBANY RAILROAD COMPANY |
| RNIR | RAINIER RAIL LLC |
| RPP | RUSK PALESTINE & PACIFIC RAILROAD LLC |
| RPRC | RICHMOND PACIFIC RAILROAD CORPORATION |
| RRC | REDMONT RAILWAY COMPANY INC |
| RRR | RIVER RIDGE RAILROAD |
| RRRR | ROCK & RAIL INC |
| RRVW | RED RIVER VALLEY & WESTERN RAILROAD CO |
| RS | ROBERVAL AND SAGUENAY RAILWAY COMPANY, THE |
| RSL | RSL RAILROAD LLC |
| RSM | RAILROAD SWITCHING SERVICE OF MISSOURI INC |
| RSNR | RED SPRINGS & NORTHERN RAILROAD CO |
| RSOR | RICEBORO SOUTHERN RAILWAY LLC |
| RSP | ROSCOE SNYDER & PACIFIC RAILWAY COMPANY |
| RSR | ROCHESTER & SOUTHERN RAILROAD INC |
| RSS | ROCKDALE SANDOW & SOUTHERN RAILROAD COMPANY |
| RVPR | RIVERPORT RAILROAD LLC |
| RVSC | RIO VALLEY SWITCHING COMPANY |
| RVT | ROGUE VALLEY TERMINAL RAILROAD CORPORATION |
| RWRR | RINGNECK AND WESTERN RAILROAD |
| RYAL | RYAL, LLC |
| SAC | SAN ANTONIO CENTRAL RAILROAD LLC |
| SAN | SANDERSVILLE RAILROAD COMPANY |
| SAPT | SAVANNAH PORT TERMINAL RAILROAD INC |
| SAV | SACRAMENTO VALLEY RAILROAD |
| SBG | SAVAGE BINGHAM & GARFIELD RAILROAD COMPANY |
| SBLN | STERLING BELT LINE RAILWAY |
| SBRR | STOURBRIDGE RAILROAD COMPANY |
| SBVR | SOUTH BRANCH VALLEY RAIL ROAD |
| SC | SANTA CRUZ AND MONTEREY BAY RAILWAY COMPANY |
| SCBG | SANTA CRUZ BIG TREES & PACIFIC RAILWAY CO |
| SCIH | SOUTH CHICAGO & INDIANA HARBOR RAILWAY COMPANY |
| SCRF | SOUTH CAROLINA CENTRAL RAILROAD CO INC |
| SCS | SQUAW CREEK SOUTHERN RAILROAD |
| SCTR | SCTRR LLC |
| SCWY | SRC RAILWAY LLC |
| SCXF | SOUTH CENTRAL FLORIDA EXPRESS INC |
| SCXY | ST CROIX VALLEY RAILROAD COMPANY |
| SD | SAVAGE DAVENPORT RAILROAD COMPANY |
| SDIY | SAN DIEGO & IMPERIAL VALLEY RAILROAD CO INC |
| SE | SEMO PORT RAILROAD INC |
| SERA | SIERRA RAILROAD COMPANY |
| SFB | SAN FRANCISCO BAY RAILWAY, LLC |
| SFG | SOCIETE DU CHEMIN DE FER DE LA GASPESIE |
| SFR | SOUTHERN FREIGHT RAILROAD |
| SFS | SANTA FE SOUTHERN RAILWAY |
| SGLR | SEMINOLE GULF RAILWAY L P |
| SGR | SOUTHWEST GULF RAILROAD COMPANY |
| SH | STEELTON & HIGHSPIRE RAILROAD COMPANY |
| SIND | SOUTHERN INDIANA RAILWAY INC |
| SJR | SAN JACINTO TRANSPORTATION COMPANY INCORPORATED |
| SJVR | SAN JOAQUIN VALLEY RAILROAD CO |
| SKOL | SOUTH KANSAS & OKLAHOMA RAILROAD INC |
| SL | SALT LAKE CITY SOUTHERN RAILROAD COMPANY INC |
| SLAL | SOUTH PLAINS LAMESA RAILROAD LTD |
| SLC | SAN LUIS CENTRAL RAILROAD COMPANY |
| SLGG | S & L RAILROAD LLC |
| SLGW | SALT LAKE GARFIELD AND WESTERN RAILWAY COMPANY |
| SLQ | ST LAWRENCE & ATLANTIC RAILROAD (QUEBEC) INC |
| SLR | ST LAWRENCE & ATLANTIC RAILROAD CO |
| SLRG | SAN LUIS & RIO GRANDE RAILROAD INC |
| SLRS | SMS RAIL SERVICE INC |
| SLWC | STILLWATER CENTRAL RAILROAD COMPANY LLC |
| SM | SAINT MARYS RAILROAD COMPANY |
| SMA | SAN MANUEL ARIZONA RAILROAD COMPANY |
| SMAR | SONOMA-MARIN AREA RAIL TRANSIT |
| SMRR | SISSETON MILBANK RAILROAD |
| SMV | SANTA MARIA VALLEY RAILROAD COMPANY |
| SMW | ST MARYS RAILWAY WEST LLC |
| SNC | SARATOGA & NORTH CREEK RAILWAY |
| SNR | SUNFLOUR RAILROAD INC |
| SNY | SMS RAIL LINES OF NEW YORK LLC |
| SOM | SOMERSET RAILROAD CORPORATION |
| SORA | SOUTHERN RAILS COOPERATIVE LIMITED |
| SPO | SOUTH POINT & OHIO RAILROAD, LLC |
| SPP | ST. PAUL & PACIFIC RAILROAD LLC |
| SPR | SOUTHWIND SHORTLINE RAILROAD COMPANY |
| SPV | SAN PEDRO VALLEY RAILROAD LLC |
| SPSR | SAN PEDRO RAILROAD OPERATING CO LLC D/B/A SAN PEDRO & SOUTHWESTERN RAILROAD COMPANY |
| SQSC | SEQUATCHIE VALLEY SWITCHING CO, LLC |
| SRC | STRASBURG RAILROAD COMPANY |
| SRN | SABINE RIVER & NORTHERN RAILROAD COMPANY |
| SRNJ | SOUTHERN RAILROAD COMPANY OF NEW JERSEY |
| SRRR | SWAN RANCH RAILROAD LLC |
| SRY | SOUTHERN RAILWAY OF BRITISH COLUMBIA LTD |
| SS | SAND SPRINGS RAILWAY COMPANY |
| SSC | SOUTHERN SWITCHING COMPANY |
| SSP | SPOKANE, SPANGLE & PALOUSE RAILWAY |
| SSR | S&S SHORTLINE RAILROAD |
| SSS | STEWART SOUTHERN RAILWAY INC |
| ST | SPRINGFIELD TERMINAL RAILWAY COMPANY |
| STE | STOCKTON TERMINAL AND EASTERN RAILROAD |
| STMA | ST MARIES RIVER RAILROAD COMPANY |
| STPP | ST. PAUL & PACIFIC NORTHWEST RAILROAD COMPANY, LLC |
| STR | SHAWNEE TERMINAL RAILWAY COMPANY INC |
| STRT | STEWARTSTOWN RAILROAD CO |
| STS | SANTA TERESA SOUTHERN RAILROAD LLC |
| STTY | ST. THOMAS, AYLMER, TILLSONBURG RAILWAY |
| SUN | SUNSET RAILWAY COMPANY |
| SVHO | SAVANNAH & OLD FORT RAILROAD, LLC |
| SVI | SOUTHERN RAILWAY OF VANCOUVER ISLAND LIMITED |
| SVRR | SHAMOKIN VALLEY RAILROAD COMPANY |
| SW | SOUTHWESTERN RAILROAD COMPANY INC |
| SWP | SOUTHWEST PENNSYLVANIA RAILROAD COMPANY |
| TASD | TERMINAL RAILWAY ALABAMA STATE DOCKS |
| TBFR | TRANSDISTRIBUTION BROOKFIELD RAILROAD LLC |
| TBRB | TULSA BASE RAILROAD, LLC |
| TBRY | THERMAL BELT RAILWAY |
| TC | TEMPLE & CENTRAL TEXAS RAILWAY INC. |
| TCB | TEXAS CENTRAL BUSINESS LINES CORPORATION |
| TCBR | TEXAS COASTAL BEND RAILROAD |
| TCG | TUCSON CORNELIA & GILA BEND RAILROAD COMPANY |
| TCRY | TRI-CITY RAILROAD COMPANY |
| TCT | TEXAS CITY TERMINAL RAILWAY COMPANY |
| TCWR | TWIN CITIES & WESTERN RAILROAD |
| TFG | TFG TRANSPORT LLC |
| TFVM | TERMINAL FERROVIARIA DEL VALLE DE MEXICO SA DE CV |
| TGRD | THREE TWENTY-FIVE ROUTE THIRTY-ONE RAILROAD, LLC |
| TGS | TGS CEDAR PORT RAILROAD LLC |
| TI | TURNERS ISLAND LLC |
| TIBR | TIMBER ROCK RAILROAD LLC |
| TIR | TOLEDO INDUSTRIAL RAILROAD |
| TKEN | TENNKEN RAILROAD COMPANY INC |
| TLE | MIDWEST RAIL LLC DBA TOLEDO LAKE ERIE AND WESTERN RAILWAY |
| TMBL | TACOMA MUNCIPAL BELT LINE RAILWAY |
| TMSS | TOWANDA AND MONROETON SHIPPERS LIFELINE INC. |
| TMUS | TRANSMEX/USA INC |
| TN | TEXAS & NORTHERN |
| TNER | TEXAS NORTHEASTERN DIVISION MID-MICHIGAN RAILROAD INC |
| TNHR | THREE NOTCH RAILWAY LLC |
| TPR | TRADEPOINT RAIL LLC |
| TPW | TOLEDO PEORIA & WESTERN RAILWAY CORPORATION |
| TR | TOMAHAWK RAILWAY L P |
| TRC | TRONA RAILWAY COMPANY |
| TRE | TEXAS RAILWAY EXCHANGE LLC |
| TRIN | TRINIDAD RAILWAY INC |
| TRMW | TACOMA RAIL MOUNTAIN DIVISION |
| TRR | THUNDER RAIL LTD |
| TRRA | TERMINAL RAILROAD ASSOCIATION OF ST LOUIS |
| TRRR | TRANSDISTRIBUTION RIDGELAND RAILROAD LLC |
| TRRY | TRILLIUM RAILWAY CO LTD |
| TRV | TORCH RIVER RAIL INC. |
| TSR | TEXAS & EASTERN RAILROAD LLC |
| TSRR | TENNESSEE SOUTHERN RAILROAD CO INC |
| TSU | TULSA-SAPULPA UNION RAILWAY COMPANY L L C |
| TTIS | TRANSKENTUCKY TRANSPORTATION RAILROAD CO INC |
| TTR | TALLEYRAND TERMINAL RAILROAD COMPANY INC |
| TXGN | TEXAS GONZALES & NORTHERN RAILWAY COMPANY |
| TXN | TEXAS NEW MEXICO RAILWAY L.L.C. |
| TXNW | TEXAS NORTH WESTERN RAILWAY COMPANY |
| TXOR | TEXAS AND OKLAHOMA RAILROAD COMPANY |
| TXPF | TEXAS PACIFICO TRANSPORTATION LTD |
| TXR | TEXAS ROCK CRUSHER RAILWAY COMPANY |
| TYBR | TYBURN RAILROAD LLC |
| TZPR | TAZEWELL & PEORIA RAILROAD INC |
| UCIR | UNION COUNTY INDUSTRIAL RAILROAD COMPANY |
| UCRY | UTAH CENTRAL RAILWAY COMPANY |
| UCT | INDIANA BUSINESS RAILROAD D/B/A UNION CITY TERMINAL RAILROAD |
| UMP | UPPER MERION AND PLYMOUTH RAILROAD COMPANY |
| UP | UNION PACIFIC RAILROAD COMPANY |
| URR | UNION RAILROAD COMPANY LLC |
| USNY | U.S. RAIL OF NEW YORK LLC |
| USR | UTAH SOUTHERN RAILROAD COMPANY LLC |
| UTAH | UTAH RAILWAY COMPANY |
| VCRR | VENTURA COUNTY RAILROAD COMPANY |
| VR | VALDOSTA RAILWAY L P |
| VRR | VAUGHN RAILROAD COMPANY |
| VRRC | VANDALIA RAILROAD COMPANY |
| VSOR | VICKSBURG SOUTHERN RAILROAD LLC |
| VSR | V AND S RAILWAY INC |
| VSRR | VIRGINIA SOUTHERN RAILROAD DIVISION NORTH CAROLINA & VIRGINIA RAILROAD |
| VST | V&S RAILWAY INC D/B/A TOWNER RAILWAY |
| VTR | VERMONT RAILWAY INC |
| VVRR | VERMILION VALLEY RAILROAD COMPANY INC |
| WACR | WASHINGTON COUNTY RAILROAD CORPORATION |
| WBCR | WABASH CENTRAL RAILROAD CORPORATION |
| WBRW | WEST BELT RAILWAY LLC |
| WCLR | WACCAMAW COASTLINE RAILROAD CO INC |
| WCOR | WELLSBORO & CORNING RAILROAD LLC |
| WCRR | WYOMING CONNECT RAILROAD LLC |
| WE | WHEELING & LAKE ERIE RAILWAY COMPANY |
| WER | WASHINGTON EASTERN RAILROAD, LLC |
| WESL | WEST ERIE SHORT LINE |
| WFS | WEST ISLE LINE INC |
| WGCR | WIREGRASS CENTRAL RAILWAY LLC |
| WHOE | WALKING HORSE & EASTERN RAILROAD CO INC |
| WHRC | WINDSOR & HANTSPORT RAILWAY CO |
| WHRR | WALKING HORSE RAILROAD, LLC |
| WIR | WASHINGTON & IDAHO RAILWAY INC |
| WIRR | WISCONSIN RAPIDS RAILROAD, LLC |
| WKRL | WESTERN KENTUCKY RAILWAY LLC |
| WMI | WEST MICHIGAN RAILROAD CO |
| WN | PROGRESSIVE RAIL INC D/B/A WISCONSIN NORTHERN RAILROAD |
| WNFR | KANAWHA RAIL CORP |
| WNNR | WESTERN NEVADA RAILROAD LLC |
| WNYP | WESTERN NEW YORK & PENNSYLVANIA RAILROAD LLC |
| WPRR | WILLAMETTE & PACIFIC RAILROAD INC |
| WRI | WHEATLAND RAIL INC |
| WRL | WRL LLC |
| WRRC | WESTERN RAILROAD COMPANY |
| WRS | WESTERN RAIL SWITCHING INC |
| WSOR | WISCONSIN & SOUTHERN RAILROAD LLC |
| WSR | WARREN & SALINE RIVER RAILROAD COMPANY |
| WSRY | WINAMAC SOUTHERN RAILWAY COMPANY |
| WSS | WINSTON-SALEM SOUTHBOUND RAILWAY COMPANY (CSX TRANSPORTATION) |
| WTA | WICHITA TERMINAL ASSOCIATION |
| WTCO | WESTERN TRANSPORTATION CO |
| WTJR | WICHITA TILLMAN & JACKSON RAILWAY COMPANY INC |
| WTLC | WEST TEXAS AND LUBBOCK RAILWAY COMPANY |
| WTNN | WEST TENNESSEE RAILROAD CORP |
| WTRM | WARREN & TRUMBULL RAILROAD COMPANY, THE |
| WTRY | WILMINGTON TERMINAL RAILROAD INC |
| WURR | WALLOWA UNION RAILROAD AUTHORITY |
| WVC | WEST VIRGINIA CENTRAL RAILROAD |
| WVR | WILLAMETTE VALLEY RAILWAY COMPANY INC |
| WW | WINCHESTER AND WESTERN RAILROAD COMPANY |
| WWRC | WILMINGTON & WESTERN RAILWAY CORP |
| WYEC | WYE TRANSPORTATION CO |
| YAK | YAK RAIL LLC |
| YARR | YOUNGSTOWN & AUSTINTOWN RAILROAD CO |
| YB | YOUNGSTOWN BELT RAILROAD COMPANY, THE |
| YCR | YCR CORP |
| YRC | YORK RAILWAY COMPANY |
| YRPL | YELM ROY PRAIRIE LINE |
| YSRR | YOUNGSTOWN & SOUTHEASTERN RAILROAD COMPANY INC |
| YSVR | YELLOWSTONE VALLEY RAILROAD LLC |
| YVRR | YADKIN VALLEY RAILROAD COMPANY |
| YVT | YAKIMA VALLEY TRANSPORTATION COMPANY |
| YW | YREKA WESTERN RAILROAD COMPANY |