From Railroad Depot
- Abbeville and Waycross Railroad
- Abilene, Solomon Valley and Denver Railway
- Abilene, Sterling and Southwestern Railway
- Akron, Canton and Youngstown Railroad (ACY)
- Alabama and Chattanooga Railroad
- Alabama Great Southern Railroad (AGS)
- Alabama Midland Railway
- Alabama, Tennessee and Northern Railroad (AT&N)
- Alabama Traction, Light and Power Company
- Albany and Northern Railway
- Albany, Florida and Northern Railway
- Aliquippa and Southern Railroad (ALQS)
- Allegheny and Eastern Railroad (ALY)
- Alton Railroad
- Alton and Sangamon Railroad
- Americus and Atlantic Railroad
- Americus, Preston and Lumpkin Railroad
- Amherst and Belchertown Railroad
- Amherst, Belchertown and Palmer Railroad
- Ann Arbor Railroad (AA)
- Annapolis and Elk Ridge Railroad
- Anniston and Atlantic Railroad
- Anthony, Attica and Northwestern Railroad
- Anthony and Northern Railway
- Argentine Central Railway
- Arkansas and Louisiana Midland Railway
- Arkansas City, Blackwell and Southwestern Railway
- Arkansas City, Wellington and Northwestern Railway
- Arkansas, Columbus and Colorado Railroad
- Arkansas, Kansas and Colorado Railway
- Arkansas, Louisiana, and Gulf Railway
- Arkansas, Louisiana, and Missouri Railway
- Arkansas, Missouri and Kansas Railroad
- Arkansas Northwestern Railway Company
- Arkansas River and Western Railroad
- Arkansas River and Western Railway
- Arkansas Valley and Northwestern Railroad
- Arkansas Valley, Iuka and Northwestern Railway
- Arkansas Valley Railroad and Telegraph Company
- Arkansas Valley Railroad
- Arkansas Valley Railway
- Ashley, Drew and Northern Railway (ADN)
- Atchison and Arkansas Valley Railway
- Atchison and Denver Railway
- Atchison and Fort Riley Railroad
- Atchison and Leavenworth Railroad
- Atchison and Leavenworth City Railroad
- Atchison and Lecompton Railroad
- Atchison and Nebraska City Railroad
- Atchison and Nebraska Railroad
- Atchison and Northwestern Railroad
- Atchison and Palmetto City Railroad
- Atchison and Pike's Peak Railroad
- Atchison and Solomon Valley Railroad
- Atchison and Southwestern Railroad
- Atchison and Southwestern Railway
- Atchison and Topeka Railroad
- Atchison and Western Railway
- Atchison, Cawker City, and Denver Railroad
- Atchison, Colorado and Pacific Railroad
- Atchison, Colorado and Pacific Railway
- Atchison, Hays City, and Santa Fe Railroad
- Atchison, Holton, and Kansas Valley Railroad
- Atchison, Holton, and Southwestern Railroad
- Atchison, Minneapolis, and Saline Valley Railroad
- Atchison, Jewell County and Western Railroad
- Atchison, Jewell County and Western Railway
- Atchison, Lincoln and Columbus Railroad
- Atchison, Oskaloosa, and Lawrence Railroad
- Atchison, Republican Valley and Pacific Railway
- Atchison, Salina and Santa Fe Railroad
- Atchison, St. Mars, and Council Grove Railroad
- Atchison, Solomon Valley and Denver Railway
- Atchison, Stockton and Denver Railway
- Atchison, Tonganoxie and Southern Railroad
- Atchison, Topeka and Saint Joseph Railway
- Atchison, Topeka and Santa Fe Railway (ATSF or AT&SF)
- Atchison, Waterville, and Hanover Railroad
- Atchison, Washington and Denver Short Line Railway
- Atchison, Washington and Western Railroad
- Atkinson Northern Railroad
- Atlanta and Birmingham Air Line Railway
- Atlanta and Charlotte Air-Line Railway
- Atlanta and Florida Railroad
- Atlanta and Hawkinsville Railroad
- Atlanta and Knoxville Railroad
- Atlanta and LaGrange Rail Road
- Atlanta and New Orleans Short Line
- Atlanta and Richmond Air-Line Railway
- Atlanta and St. Andrews Bay Railway
- Atlanta and West Point Rail Road
- Atlanta, Birmingham and Atlantic Railroad (ABA) (also known as The Bee Line)
- Atlanta, Birmingham and Coast Railroad (ABC)
- Atlanta, Knoxville and Northern Railroad
- Atlantic, Mississippi and Ohio Railroad
- Atlantic and Birmingham Railway (AB)
- Atlantic and Danville Railway (AD)
- Atlantic and Gulf Railroad
- Atlantic and Gulf Short Line Railroad
- Atlantic and Pacific Railroad
- Atlantic and Pacific Short Line Railway
- Atlantic and East Carolina Railway (AEC)
- Atlantic and St. Lawrence Railroad
- Atlantic and Western Railway
- Atlantic and Yadkin Railway
- Atlantic Coast Line Railroad (ACL)
- Atlantic Short Line Railway
- Atlantic, Valdosta and Western Railway (also known as the Jacksonville Short Line)
- Atlantic, Waycross and Northern Railroad
- Attica and Allegheny Valley
- Augusta and Florida Railroad
- Augusta and Knoxville Railroad
- Augusta and Savannah Railroad
- Augusta and Waynesboro Railroad
- Augusta Belt Railway
- Augusta, Gibson and Sandersville Railroad
- Augusta Southern Railroad
- Aurora, Elgin and Fox River
- Auto-Train Corporation (AUT)
- Bainbridge Northeastern Railroad
- Bainbridge Northern Railway (also known as The Lumber Line)
- Baldwin City and Ferguson Cut Off Railroad
- Baltimore & Annapolis Railroad (B&A)
- Baltimore and Ohio Railroad (B&O)
- Baltimore and Ohio Chicago Terminal Railroad (BOCT)
- Bangor and Aroostook Railroad (BAR)
- Barton County and Santa Fe Railway
- Bath and Hammondsport Railroad
- Bay Ridge and Annapolis Railroad
- Beatrice and Great Bend Railroad
- Beaver Valley Railroad
- Bedford and Bridgeport Railroad
- Belleville and Cascade Railroad
- Belleville, Stateline and Southern Railroad
- Belt Railway Company of Chattanooga
- Beloit and Nebraska Railway
- Beloit, Mankato and Grand Island Railway
- Big Blue, Manhattan and St. Louis Railway
- Billerica and Bedford Railroad
- Black Diamond Railroad
- Black River and Western
- Blakely Southern Railroad
- Blue Rapids, Clay Center and Solomon Railway
- Blue Ridge and Atlantic Railroad
- Blue Ridge Railroad
- Blue Ridge Railway
- Blue River Railroad
- Blue River Valley Railroad
- Blue Valley Railroad
- Blue Valley and Junction City Railroad
- Boston and Albany Railroad (B&A)
- Boston and Albany Railroad (Georgia)
- Boston and Maine Corporation (B&M)
- Boston, Revere Beach and Lynn Railroad
- Bostwick Railroad
- Bowden Lithia Springs Short Line Railroad
- Bowdon Railway
- Bradford Industrial Rail (BR)
- Brattleboro and Whitehall Railroad
- Bridgton and Saco River Railroad [1]
- Bridgeport and South Chicago
- Brinson Railroad
- Brownsville, Cherokee and Parsons Railroad
- Broxton, Hazlehurst and Savannah Railroad
- Brunswick and Albany Railroad
- Brunswick and Birmingham Railway
- Brunswick and Florida Railroad
- Brunswick and Pensacola Railroad
- Brunswick and Western Railroad
- Bruton and Pineora Railway
- Buena Vista and Ellaville Railroad
- Buena Vista Railroad
- Buffalo, Attica and Arcade
- Buffalo and Susquehanna Railroad (B&S)
- Buffalo Creek Railroad (BCK)
- Buffalo, Rochester and Pittsburgh Railway (BR&P)
- Burlingame and Northwestern Railway
- Burlingame, Lyndon and Southern Railroad
- Burlingame, Solomon Valley, and Denver Railway
- Burlington and Lamoille Railroad
- Burlington and Missouri River Railroad
- Burlington, Eureka and Beaumont Railroad
- Burlington Northern Railroad (BN)
- Burlington-Rock Island Railroad (BRI)
- Burlington, Salina, Hutchinson and Southern Railway
- Butler County Railway
- Butte, Anaconda and Pacific Railway (BAP)
- Camas Prairie RailNet (CSP)
- Camas Prairie Railroad
- Camden and Amboy Railroad
- Canadian American Railroad (CDAC)
- Canton and Carthage Railroad
- Cape Fear Railways, Inc.
- Carolina and Northwestern Railway
- Carrollton Railroad
- Cartersville and Van Wert Railroad
- Carthage, Joplin and Short Creek Railway
- Cattle King Railroad
- Cedar Rapids and Missouri River Railroad
- Central New England Railway
- Central of Georgia Railway (CofG) [2]
- Central Branch Railway
- Central Branch Union Pacific (CBUP)
- Central Pacific Railroad (CP)
- Central Railroad of New Jersey (CNJ)
- Central Vermont Railway (CV)
- Chanute, Yates Center, Madison and Northwestern Railway
- Charleston and Hamburg Railroad
- Charleston and Savannah Railroad
- Charleston and Savannah Railway
- Charleston and Western Carolina Railroad
- Charleston Line
- Charlotte and South Carolina Railroad
- Charlotte, Columbia and Augusta Railroad
- Chattahoochee Valley Railway (CHV)
- Chattanooga and Durham Railroad
- Chattanooga and Lookout Mountain Railway
- Chattanooga, Rome and Columbus Railroad
- Chattanooga, Rome and Southern Railway
- Chattanooga Southern Railroad
- Chattanooga Southern Railway
- Chattanooga Union Railway
- Cherokee and Memphis Railroad Company
- Cherokee and Red River Railway
- Cherokee Central Railway
- Cherokee Railroad
- Cherokee Railway and Cola Company
- Cherryvale, Paola and Kansas City Railway
- Chesapeake and Ohio Railway (C&O)
- Chesapeake Beach Railroad
- Chesapeake, Ohio and Southwestern Railroad
- Chessie System Railroads (C&O and B&O)
- Chesterfield Railroad
- Chicago and Alton Railroad
- Chicago and Central Kansas Railroad
- Chicago and Council Grove Railway
- Chicago and Eastern Illinois Railroad (C&EI)
- Chicago and Emporia Railway
- Chicago and Illinois Midland Railway (C&IM)
- Chicago and Illinois Western
- Chicago and Indiana
- Chicago and North Western Railway (CNW or C&NW)
- Chicago and Waldheim
- Chicago and Western Indiana Railroad (C&WI)
- Chicago and West Michigan Railway
- Chicago and West Ridge
- Chicago and Western Indiana
- Chicago, Attica and Southern Railroad (CA&S)
- Chicago, Aurora and Elgin Railroad (CA&E)
- Chicago, Burlington and Quincy Railroad (CB&Q, Burlington Route)
- Chicago Central and Pacific Railroad (CC)
- Chicago, Dodge City and El Paso Railroad
- Chicago, Emporia and Southwestern Railway
- Chicago, Fort Scott and Texas Railroad
- Chicago, Fort Scott, and Oklahoma Railroad
- Chicago Great Western Railway (CGW)
- Chicago, Indianapolis and Louisville Railway (see also Monon Railroad)
- Chicago, Iowa and Kansas Railroad
- Chicago, Iowa and Nebraska RR
- Chicago, Jefferson City, Girard and El Paso Railway)
- Chicago, Jefferson City, Girard and Pacific Railroad
- Chicago, Kansas and Arkansas Railway
- Chicago, Kansas and Nebraska Railroad
- Chicago, Kansas and New Mexico Railway
- Chicago, Kansas and Pacific Railroad
- Chicago, Kansas and Southern Railway
- Chicago, Kansas and Southwestern Railroad
- Chicago, Kansas and Texas Railroad
- Chicago, Kansas and Western Railway
- Chicago, Kansas City and Omaha Railroad
- Chicago, Kansas City and Omaha Railway
- Chicago, Kansas City and Texas Railway
- Chicago, Lindsborg and Southwestern Railway
- Chicago, Madison and Northern (CMN)
- Chicago, Manhattan and Minneapolis Railway
- Chicago, Milwaukee, St. Paul and Pacific Railroad (see also Milwaukee Road)
- Chicago, Missouri and Kansas Railway
- Chicago, Missouri and Western (CMW)
- Chicago, Nebraska and Kansas Railway
- Chicago, Nebraska, Kansas and Southwestern Railway
- Chicago North Shore and Milwaukee Railroad (North Shore Line)
- Chicago, Omaha and Southwestern Railroad
- Chicago, Omaha and Southwestern Railway
- Chicago, Oswego and Western Railway
- Chicago, Rock Island and Pacific Railroad (ROCK or RI)
- Chicago, St. Joseph and Fort Worth Railroad
- Chicago, St. Joseph and Fort Worth Railway
- Chicago, St. Joseph and Santa Fe Railway
- Chicago, St. Joseph and Wichita Railway
- Chicago, St. Paul and Kansas City Railway (CStP&KC)
- Chicago, St. Paul and Kansas Railway
- Chicago, St. Paul, Minneapolis and Omaha Railway (Omaha Road, or CMO)
- Chicago, St. Paul, Nebraska and Kansas Railway
- Chicago South Shore and South Bend Railroad (South Shore Line)
- Chicago, Southwestern and Pacific Railway
- Chingawasa Springs Railway
- Chickamauga and Durham Railroad
- Choctaw and Memphis Railway (C&M)
- Choctaw Coal and Railway
- Choctaw, Oklahoma and Gulf Railroad (CO&G)
- Choctaw, Oklahoma and Western Railroad
- Cincinnati and Lake Erie Railroad
- Cincinnati, Indianapolis and Western Railroad
- Cincinnati, Lebanon and Northern Railway (CL&N)
- Cincinnati Northern Railway
- Cincinnati, New Orleans and Texas Pacific Railway
- Citizens Railroad Company of Cloud County
- Citizens Railway Company of Cloud County
- City Point Railroad
- Clay Center, Hanover and Beatrice Railroad
- Clay Center, Minneapolis, Kanopolis and Western Railroad
- Cleveland, Cincinnati, Chicago and St. Louis Railroad (Big Four)
- Cleveland and Pittsburgh Railroad
- Cliffside Railroad
- Clinchfield Railroad (CRR)
- Cloud County Railway and Telegraph Company
- Coffeyville and Western Railway
- Coffeyville, Independence, Elk Falls and Northwestern Railroad
- Collins and Glennville Railroad
- Collins and Ludowici Railroad
- Collins and Reidsville Railroad
- Colonel's Island Railroad
- Colony, Neosho Falls and Western Railroad
- Colony, Southern and Western Railroad
- Colorado and Northern Kansas Railway
- Colorado, Caldwell and Arkansas Railway
- Colorado Central Railroad
- Colorado and Southern Railroad (C&S)
- Colorado, Kansas and Gulf Railroad
- Colorado, Kansas and Oklahoma Railroad
- Colorado Midland Railroad
- Colorado Springs and Cripple Creek District Railway
- Columbus and Greenville Railway (CAGY)
- Columbus and Florida Railway
- Columbus and Rome Railway
- Columbus and Western Railway
- Columbus, Chetopa and Great Western Railroad
- Columbus, Osage Mission and New Chicago Railroad
- Columbus Southern Railway
- Concordia and Nebraska Railway
- Concordia and Southwestern Railroad
- Concordia, Chapman and El Dorado Railway
- Concordia, Ness City and Pueblo Railway
- Concordia, Washington and Nebraska Railway
- Consolidated Rail Company (CR) (Conrail, now operating local freight service for CSX and NS) [3]
- Copper Range Railroad (CR, COPR)
- Copper River and Northwestern Railway
- Corinth and Counce Railroad
- Cornelia and Tallulah Falls Railroad
- Council Grove, Hutchinson and Southwestern Railway
- Council Grove, Marion and Western Railroad
- Council Grove, Marion Centre and Hutchinson Railroad
- Council Grove, Osage City and Ottawa Railway
- Council Grove, Smoky Valley and Western Railway
- Covington and Macon Railroad
- Covington, Columbus, and Black Hills Railway
- Cowley, Sumner and Ft. Smith Railroad
- Crab Orchard and Egyptian Railroad
- Crawford County Railroad
- Cumberland and Pennsylvania Railroad (C&PA)
- Cumberland Valley Railroad
- Current River Railroad Company
- Cuyler and Woodburn Railroad
- Danville and Atlantic
- Dakota, Kansas and Gulf Railroad
- Dakota, Wichita and Galveston Railway
- Dakota, Wichita and Gulf Railway
- Darien and Western Railroad
- Darien Short Line
- Deckerville, Osceola and Northern Railroad Company
- Deepwater Railway
- Denver and Fort Smith Railway
- Denver and Kansas Northern Railroad
- Delaware and Eastern Railroad (D&E)
- Delaware and Hudson Railway (D&H)
- Delaware and Lawrence Railroad
- Delaware and Lecompton Railroad
- Delaware, Lackawanna and Western Railroad (Lackawanna)
- Delaware, Lehigh, Schuylkill and Susquehanna Railroad
- Delaware and Northern Railroad
- Denver and Rio Grande Railroad (DRG or D&RG)
- Denver and Rio Grande Western Railroad (DRGW or D&RGW)
- Denver and Salt Lake Railroad
- Denver, Enid and Gulf Railroad
- Denver, Garden City and Southeastern Railway
- Denver Junction, McAllister and Southeastern Railway
- Denver, Kansas and Gulf Railway
- Denver, Memphis and Atlantic Railway
- Denver, Memphis and Atlantic Southern Railway
- Denver, Northwestern and Pacific Railway
- Denver Pacific Railroad
- Denver, Russell Springs and Southeastern Railway
- Denver, South Park and Pacific Railway (DSPP)
- Des Moines and Central Iowa Railway
- Detroit and St. Joseph Railroad
- Detroit and Toledo Shore Line Railroad (D&TS)
- Detroit, Bay City and Alpena Railway
- Detroit, Toledo and Ironton Railroad (DT&I)
- Dodge City and Cimarron Valley Railway
- Dodge City and Denver Railway
- Dodge City and Montezuma Railway
- Dodge City, Montezuma and Trinidad Railway
- Dooly Southern Railway
- Douglas and McDonald Railroad
- Douglas, Augusta and Gulf Railway
- Dover and Statesboro Railroad
- Dragoon Valley Railroad
- Dublin and Southwestern Railroad
- Dublin and Wrightsville Railroad
- Duluth and Iron Range Railroad
- Duluth, Missabe and Iron Range Railway (DMIR)
- Duluth, Missabe and Northern Railway (DM&N)
- Duluth, South Shore and Atlantic Railway (DSSA)
- Duluth, Winnipeg and Pacific Railway (DWP)
- Durham and Southern Railway (DS)
- East and West Railroad of Alabama
- East Broad Top Railroad
- East Cooper and Berkeley Railroad
- East St. Louis & Suburban Railway
- East Tennessee and Western North Carolina Railroad (ET&WNC, nicknamed "Tweetsie")
- Eastern Kansas and Gulf Railroad
- Eastern Oklahoma Railway
- Eckhart Railroad
- Edaville Railroad
- El Dorado and Santa Fe Railway
- El Dorado and Walnut Valley Railroad
- El Dorado, Halstead and Denver Railway
- El Dorado, Oklahoma and Chihuahua Railway
- El Dorado, Salt Plains and Pan Handle Railroad
- Ellijay Railroad
- Elk and Chautauqua Railroad
- Elk Valley and Western Railroad
- Ellsworth and Irving Railway
- Ellsworth and Limestone Valley Railroad
- Ellsworth and Pacific Railroad
- Ellsworth, Great Bend and Southern Railroad
- Ellsworth, Great Bend and Western Railway
- Ellsworth, La Crosse and Western Railway
- Elmira, Corning and Waverly Railway
- Elwood, Palermo and Fort Riley Railroad
- Empire and Dublin Railroad
- Emporia and Council Grove Railway
- Emporia and El Dorado Short Line Railroad
- Emporia and Southern Kansas Railroad
- Emporia and Southwestern Railroad
- Emporia and South Western Railway
- Emporia, Winfield and Fort Smith Railroad
- Englewood, Garden City, Leoti and Northwestern Railroad
- Erie Railroad
- Erie Lackawanna Railroad (EL)
- Erie, Thayer and Arkansas River Railroad
- Eufaula and Clayton Railroad
- Eufaula and East Alabama Railway
- Eureka and Fall River Railroad
- Eureka, Augusta and Southwestern Railway
- Eureka, Augusta and Wichita Railway
- Eureka, Douglass and Santa Fe Railroad
- Fall River, Howard and Western Railroad
- Falls City, Sycamore Springs, Sabetha and Southwestern Railway
- Farmers and Stockgrowers Railroad
- Farmers and Traders Railway
- Federal Creek Valley Railroad
- Federal Valley Railroad
- Fitzgerald, Ocilla and Broxton Railroad
- Flint River and North Eastern Railroad (FR&NE or the Ticknor switch road)
- Flint River and Gulf Railway
- Florence and Cripple Creek Railroad (F&CC)
- Florence, El Dorado and Walnut Valley Railroad
- Florida, Memphis and Columbia River Railroad
- Ford County, Meade Center and Southwestern Railroad
- Fore River Railroad
- Fort Dodge, Des Moines and Southern Railway
- Fort Gibson, Arkansas City, Belle Plaine and Pueblo Railroad
- Fort Leavenworth and Southern Railway
- Fort Leavenworth, Topeka and Santa Fe Railroad
- Fort Riley, Denver and Salt Lake Railroad
- Fort Riley, Smoky Hill Valley and Denver City Railroad
- Fort Scott and Allen County Railroad
- Fort Scott and Carthage Railroad
- Fort Scott and Eastern Railway
- Fort Scott and Lincoln Railroad
- Fort Scott and Memphis Railroad
- Fort Scott and Pittsburg Railway
- Fort Scott and Southern Railway
- Fort Scott and Topeka Railroad
- Fort Scott, Arkansas and Texas Railway
- Fort Scott Belt Line Railway
- Fort Scott Belt Terminal Railway
- Fort Scott, Bluff City and Salt Plains Railroad
- Fort Scott Central Railway
- Fort Scott, Chanute and Western Railway
- Fort Scott Division of the Lexington, Lake and Gulf Railroad
- Fort Scott, Erie and Verdigris River Railroad
- Fort Scott, Iola and Neosho Falls Railway
- Fort Scott, Iola and Western Railway
- Fort Scott, Kansas City and Northern Railway
- Fort Scott, Neosho and Santa Fe Railroad
- Fort Scott, New Chicago and Fredonia Railroad
- Fort Scott, Park City and Santa Fe Railroad
- Fort Scott, Pittsburg and Southern Railroad
- Fort Scott, St. Louis and Chicago Railroad
- Fort Scott, South Eastern and Memphis Railroad
- Fort Scott, South Eastern and Memphis Railway
- Fort Scott Southern Railway
- Fort Scott, Topeka and Lincoln Railroad
- Fort Scott, Wichita and Western Railroad
- Fort Scott, Winfield and Western Railway
- Fort Smith and Arkansas Valley Railway
- Fort Smith and Western Railroad (FS&W)
- Fort Smith, El Dorado and Northwestern Railroad
- Fort Smith, Howard and Northwestern Railroad
- Fort Smith, Kansas and Nebraska Railway
- Fort Smith, Kansas and Western Railway
- Fort Smith, Wellington and Northwestern Railway
- Fort Worth and Denver Railroad
- Fox River Valley Railroad
- Fox Valley and Western
- Frankfort and Cincinnati Railroad
- Fredonia, Howard and Southwestern Railroad
- Fredonia, Winfield and Mexico Railroad
- Fremont, Elkhorn and Missouri Valley Railroad
- Gainesville, Jefferson and Southern Railroad
- Galena and Chicago Union Railroad
- Galena, Frontenac and Northern Railroad
- Galena, Guthrie and Western Railway
- Galveston and Great Northern Railway
- Garden City, Conductor and El Paso Railroad
- Garden City, Gulf and Northern Railroad
- Garden City Nickle Plate Railway
- Garden City Western Railway
- Garfield, Pawnee Valley and Colorado Railroad
- Garnett, LeRoy and Southwestern Railroad
- Genesee and Wyoming Railroad (GNWR)
- Georges Creek and Cumberland Railroad
- Georges Creek Railroad
- Georgia and Alabama Railroad
- Georgia, Ashburn, Sylvester and Camilla Railway (the GAS Line)
- Georgia and Florida Railroad (G&F)
- Georgia Coast and Piedmont Railroad
- Georgia, Carolina and Northern Railway
- Georgia Eastern Railway
- Georgia Midland and Gulf Railroad
- Georgia Midland Railway
- Georgia Northern Railway
- Georgia Railroad
- Georgia Southern and Florida Railroad (GS&F)
- Georgia, Southwestern and Gulf Railroad
- Gettysburg Railroad
- Geuda Springs, Caldwell, Harper and Northwestern Railroad
- Geuda Springs Railroad
- Gila Valley, Globe and Northern Railway
- Gilmore and Pittsburgh Railroad
- Girard and Chanute Railway
- Girard and Northern Railroad
- Girard, Arcadia and Jefferson City Railroad
- Girard, Erie and New Chicago Railway
- Girard, Nevada and Parsons Railway
- Girard, Osage Mission and Western Railroad
- Golden Belt and Gulf Railway
- Golden Belt Railroad
- Granby and Southern Kansas Railway
- Grand Rapids and Indiana Railroad (GR&I)
- Grand Trunk Railway (GT, presently little more than a name used by CN)
- Grasshopper Valley Railway
- Great Bend and Gulf Railway
- Great Bend and Northeastern Railway
- Great Bend, La Crosse and Northwestern Railroad
- Great Bend Southeran Railway
- Great Bend, Water Valley and Western Railroad
- Great Northern Railway (GN)
- Greeley, Salt Lake and Pacific Railroad
- Green Bay and Western Railroad (GBW)
- Greenfield Railroad Company
- Greenfield and Northern Railroad Company
- Greene County Railroad
- Greensburg, Coldwater and Northwestern Railroad
- Greenville and Northern Railway
- Grenola, Sedan and Elgin Railroad
- Grouse Creek Railway
- Gulf and Interstate Railway
- Gulf and Northwestern Railway
- Gulf, Arkansas and Northwestern Railway Company
- Gulf, Chickasaw and Kansas Railway
- Gulf, Colorado and Santa Fe Railway (GCSF)
- Gulf, Hutchinson and Northwestern Railroad
- Gulf Line Railway
- Gulf, Mobile and Northern Railroad (GMN)
- Gulf, Mobile and Ohio Railroad (GM&O)
- Guthrie, Reno City and Fort Reno Railway
Hillsboro and Northeastern Railway
- Hocking Valley Railway
- Holton, Council Grove and Southwestern Railway
- Hoosac Tunnel and Wilmington Railroad
- Houston and Texas Central Railroad
- Hoxie and Trinidad Railroad
- Hudson River Railroad
- Humboldt and Arkansas River Railroad
- Humboldt and Baxter Springs Railroad
- Humboldt and Fredonia Railway
- Humboldt and Southwestern Railroad
- Humboldt and Western Railway
- Humboldt, Fredonia, Winfield and Arkansas City Railway
- Humboldt, Neosho County and Columbus Railway
- Humboldt Railway and Terminal Company
- Huntingdon and Broad Top Mountain Railroad
- Hutchinson and North Eastern Railroad
- Hutchinson and Northern Railway
- Hutchinson and South Eastern Railroad
- Hutchinson and Western Interurban Railway
- Hutchinson, Arlington, Saratoga and Southwestern Railroad
- Hutchinson, Ashland and Neutral Strip Railroad
- Hutchinson, Larned, Garden City and Denver Railroad
- Hutchinson, Greensburg and New Mexico Railroad
- Hutchinson, Greensburg and Western Railway
- Hutchinson, Huntsville and Western Railroad
- Hutchinson, Waterloo and Southwestern Railroad