TABLE OF RAILROADS
Make additions as necessary.
Not all variations of a railroad's name are recorded in this table.
A B C D-E
F-G H-I J-L M
N O P-R S
T-V W X Y Z
| Zc19 | Individual Railroads |
| Ae12 | Alaska Central Railway Company |
| AL18 | Alaska Railroad |
| Am35 | American and Mexican Railroad and Telegraph Company |
| Arl | Aransas Road Company |
| Ar2 | Arcata and Mad River Railroad Company |
| Ar3 | Argentine Central Railway |
| Ar5 | Arkansas Central Railroad |
| At18 | Atchinson and Nebraska Railroad |
| At2 | Atchinson and Pike's peak Railroad |
| At3 | Atchison, Topeka and Santa Fé
Railroad Company Atchison, Topeka and Santa Fé Railway Company |
| At5 | Atlantic and California Railroad |
| At55 | Atlantic and Pacific Railroad (1853- ) |
| At6 | Atlantic and Pacific Railroad (1866- ) |
| At7 | Atlantic-Pacific Railway Tunnel Co. |
| Zc19 | Individual Railroads | |
| B22 | Baton Rouge, Grosse Tete and Opelousas Railroad Company | |
| B40 | Bellingham Bay Railway & Navigation Company | |
| B46 | Berwick's Bay and Texas Railroad Company | |
| B73 | Brazos and Galveston Railroad Company | |
| B77 | British Columbia and White River Railway | |
| B82 | Brownville, Ft. Kearney and Pacific Railroad Company | |
| B86 | Buffalo Bayou, Brazos and Colorado Railway Company | |
| B92 | Burlington and Missouri River Railroad | |
| B93 | Burlington, Cedar Rapids and Minnesota Railway Co. | |
| B932 | Burlington, Cedar Rapids and Northern Railway Company of Iowa | |
| Zc19 | Individual Railroads |
| C11 | Cairo and Fulton Railroad |
| C113 | Cairo, Arkansas and Texas Railroad |
| C12 | California and Oregon Railroad |
| C125 | California Atlantic and Pacific Railroad Company |
| C126 | California Central Railroad |
| C127 | California Fast Freight Line |
| C13 | California Northern |
| C132 | California Pacific Railroad Company |
| C14 | Canadian Northern Railway Company |
| C29 | Cedar Falls and Minnesota Railroad |
| C31 | Cedar Rapids and Missouri River Railroad Company |
| C313 | Cedar Rapids, Iowa Falls and Northwestern Railway |
| C318 | Central Arkansas and Eastern Railroad |
| C32 | Central Branch Union Pacific Railroad |
| C325 | Central Iowa Railway |
| C327 | Central Missouri Railway |
| C33 | Central Pacific Railroad (Class work treating both the Central Pacific and Union Pacific with the latter) |
| C35 | Central Railroad Company of Iowa |
| C355 | Central Railroad Company of Minnesota |
| C37 | Central Washington Railroad |
| C41 | Cherokee and Arkansas River Railroad Company |
| C42 | Chicago and Northwestern Railroad |
| C425 | Chicago and Rock Island Railroad Company |
| C43 | Chicago, Burlington and Quincy Railroad Company |
| C433 | Chicago, Iowa & Northern Pacific Railroad Company |
| C434 | Chicago, Milwaukee & Puget Sound Railway |
| C435 | Chicago, Milwaukee and St. Paul Railway Company |
| C436 | Chicago, Milwaukee, St. Paul & Pacific Railroad |
| C438 | Chicago, Peoria and St. Louis Railroad |
| C44 | Chicago, Rock Island and Pacific Railroad Company (1866-1880) |
| C445 | Chicago, Rock Island and Pacific Railroad Company (1948-) |
| C45 | Chicago, Rock Island and Pacific Railway Company |
| C455 | Chicago, St. Paul & Fond du Lac Rail-Road Company |
| C46 | Chicago, St. Paul, Minneapolis and Omaha Railway |
| C52 | Choctaw Northern Railroad |
| C54 | Choctaw, Oklahoma and Gulf Railroad |
| C63 | Coal Creek Road Company |
| C71 | Colorado and Northwestern Railroad |
| C72 | Colorado Central Railroad Company |
| C73 | Colorado Midland Railway Company |
| C74 | Colorado Springs & Cripple Creek District Railway |
| C748 | Colorado, Wyoming & Eastern Railway |
| C75 | Columbia and Palouse Railroad Company |
| C81 | Corpus Christi and Rio Grande Railway Company |
| C815 | Corpus Christi and South American Railroad Company |
| C86 | Cripple Creek Central Railway |
| C91 | Cumbres and Toltec Scenic Railroad |
| Zc19 | Individual Railroads |
| D11 | Dakota and Great Southern Railway |
| D14 | Dakota Southern Railroad Company |
| D15 | Dallas and Fort Worth Terminal Railway |
| D16 | Dallas and Wichita Railroad Company |
| D17 | Dallas, Archer and Pacific Railway |
| D43 | Denver and Rio Grande Railroad |
| D431 | Denver and Rio Grande Western Railway |
| D435 | Denver and Salt Lake Railroad |
| D438 | Denver & Southwestern Railway |
| D44 | Denver, Enid & Gulf Railroad |
| D445 | Denver Laramie and Northwestern Railway |
| D4451 | Denver, Laramie and Northwestern Railroad |
| D448 | Denver, Northwestern and Pacific Railway |
| D45 | Denver Pacific Railway |
| D453 | Denver, South Park and Pacific Railroad Company |
| D455 | Denver, Sioux City, Lake Superior and Chicago Railway |
| D457 | Denver Union Terminal Railway |
| D458 | Des Moines and Minneapolis Railroad Company |
| D459 | Des Moines Union Railway |
| D46 | Des Moines Valley Railroad |
| D85 | Dubuque and Pacific Railroad |
| D86 | Dubuque South-Western Railroad |
| D863 | Dubuque Western Railroad Company |
| D865 | Duluth & Iron Range Railroad |
| D867 | Duluth, Rainy Lake & Winnipeg Railway |
| D87 | Duluth and Manitoba Railroad Company |
| D875 | Duluth & Winnipeg Railroad |
| D88 | Duluth Short Line Railway |
| Ea7 | East Line and Red River Railroad Company |
| Ea75 | Eastern Railway Company of Minnesota |
| Ea8 | Eastern Texas Railroad Company |
| EL2 | El Paso and Southwestern Railroad |
| EL5 | Ellsworth and Pacific Railroad Company |
| Eu71 | Eureka and Colorado River Railroad Company |
| Zc19 | Individual Railroads | |
| F2 | Fargo and Southwestern Railroad Company | |
| F77 | Fort Dodge and Fort Ridgely Railroad and Telegraph Company | |
| F78 | Fort Scott, Wichita and Western Railway Company | |
| G11 | Galveston and Camargo Railway | |
| G12 | Galveston and Red River Railway Company | |
| G127 | Galveston, Harrisburg and San Antonio Railway Company | |
| G128 | Galveston, Houston and Henderson Railroad Company | |
| G13 | Galveston, Kansas and Little Rock Railway Company | |
| G14 | Galena & Chicago Union Railroad Company | |
| G79 | Great Northern Railway | |
| G95 | Gulf and Interstate Railway | |
| Zc19 | Individual Railroads | |
| H19 | Hannibal and St. Joseph Railroad Company | |
| H366 | Helena, Boulder Valley and Butte Railroad Company | |
| H367 | Helena and Jefferson County Railroad Company | |
| H368 | Helena and Northern Railroad Company | |
| H369 | Helena and Red Mountain Railroad Company | |
| H79 | Houston and Brazos Railroad Company | |
| H80 | Houston and Great Northern Railroad Company | |
| H81 | Houston and Texas Central Railway Company | |
| In35 | International Pacific Railroad | |
| In36 | International railroad company (Texas) | |
| Io6 | Ione Valley, San Joaquin and Sacremento River Railroad | |
| Io73 | Iowa Central Air Line Railroad Company | |
| Io75 | Iowa Falls and Sioux City Railroad Company | |
| Io8 | Iowa Union Railroad Company | |
| Io85 | Iowa River Railway Company | |
| Io9 | Iowa western Railroad | |
| Zc19 | Individual Railroads | |
| J23 | James River Valley Railroad Company | |
| J35 | Jefferson City and Osage River Railroad Company | |
| K11 | Kansas and Nebraska Railway | |
| K12 | Kansas Central | |
| K125 | Kansas City, Emporia, and Southern Railway Company | |
| K121 | Kansas City, Lawrence and Southern Kansas Railroad Company | |
| K122 | Kansas City, St. Joseph & Council Bluffs Railroad Company | |
| K125 | Kansas City-Western Railway | |
| K13 | Kansas Pacific Railway | |
| K42 | Keokuk and Des Moines Railroad Company | |
| K43 | Keokuk and Kansas City Railway Company | |
| K432 | Keokuk, Mt. Pleasant and Muscatine Railroad Company | |
| L151 | Lake Superior and Mississippi Railroad Company | |
| L37 | Laramie, Hahns Peak & Pacific Railway Company | |
| L48 | Leavenworth, Lawrence & Galveston Railroad Company | |
| L68 | Little Falls and Dakota Railroad Company | |
| L72 | Little Rock and Fort Smith Railroad Company | |
| L73 | Little Rock and Napoleon Railroad | |
| L75 | Little Rock, Pine Bluff and New Orleans Railroad Company | |
| Zc19 | Individual Railroads | |
| M17 | McGregor Western Railway Company | |
| M31 | Mandan and Black Hills Railroad | |
| M32 | Manitou and Pike's Peak Railway | |
| M33 | Marion and McPherson Railway Company | |
| M34 | Marshall and East Texas Railway | |
| M36 | Marysville and Benicia Railroad Company | |
| M51 | Memphis and Little Rock Railroad Company | |
| M515 | Memphis and St. Louis Railroad | |
| M52 | Memphis, El Paso and Pacific Railroad Company | |
| M57 | Mexican Gulf Railway Company | |
| M60 | Minneapolis and St. Louis Railway Company | |
| M65 | Minnesota and Missouri River Railroad | |
| M66 | Minnesota and Pacific Railroad | |
| M69 | Mississippi and Missouri Railroad | |
| M695 | Mississippi and Pacific Railroad | |
| M698 | Mississippi, Ouachita & Red River Railroad Company | |
| M699 | Missoula and Bitter Root Valley Railroad Company | |
| M705 | Missouri, Fort Scott and Santa Fé Railroad | |
| M71 | Missouri, Kansas and Texas Railway Company | |
| M72 | Missouri Pacific Railway Company | |
| M73 | Missouri River, Fort Scott and Gulf Railroad Company | |
| M75 | Missouri Valley Railroad Company | |
| M82 | Morgan-Louisiana and Texas Railroad and Steamship Company | |
| Zc19 | Individual Railroads | |
| N411 | Nevada Central Railroad | |
| N46 | New Orleans, Baton Rouge and Vicksburg Railroad Company | |
| N465 | New Orleans, Jackson and Great Northern Railroad | |
| N467 | New Orleans, Mobile and Texas Railroad Company | |
| N47 | New Orleans, Opelousas and Great Western Railroad | |
| N809 | North Louisiana and Texas Railroad Company | |
| N81 | North Missouri Railroad Company | |
| N815 | North Pacific Coast Railroad | |
| N816 | Northern Pacific and Cascade Railroad Company | |
| N817 | Northern Pacific and Puget Sound Shore Railroad Company | |
| N818 | Northern Pacific and Montana Railroad Company | |
| N8185 | Northern Pacific, Fergus and Black Hills Railroad Company | |
| N819 | Northern Pacific, La Moure and Missouri Railroad Company | |
| N82 | Northern Pacific Railroad | |
| Zc19 | Individual Railroads |
| Ok5 | Oklahoma Central Railway |
| OL8 | Olympia Branch Railroad |
| OL9 | Olympia Railroad Union |
| Om11 | Omaha and Kansas Central Railroad Company |
| Or35 | Oregon and California Railroad |
| Or37 | Oregon and Transcontinental Railroad |
| Or41 | Oregon Central Railroad (Portland) |
| Or42 | Oregon Central Railroad (Salem) |
| Or43 | Oregon Pacific Railroad |
| Or44 | Oregon Railway and Navigation Company |
| Or45 | Oregon Short Line Railway Company |
| Zc19 | Individual Railroads | |
| P11 | Pacific Railroad (Missouri) | |
| P12 | Pacific and Atlantic Railroad Company | |
| P23 | Parkville and Grand River Railroad Company | |
| P38 | People's Pacific Railroad Company | |
| P55 | Pittsburgh, Cincinnati, Chicago and St. Louis Railway | |
| P57 | Pittsburgh, Oakland, and East Liberty Passenger Railway Company | |
| P68 | Placerville and Sacramento Valley Railroad Company | |
| P69 | Platte County Railroad | |
| P75 | Platte Valley and Pacific Rail Road Company | |
| P83 | Portland, Dallas, and Salt Lake Railroad | |
| P835 | Portland, Salt Lake and South Pass Railroad | |
| P9 | Presidio and Ferry Railroad Company | |
| P95 | Pueblo and Arkansas Valley Railroad | |
| Q43 | Quincy, Missouri & Pacific Railroad Company | |
| R47 | Rio Grande and Pecos Railway Company | |
| R48 | Rio Grande, Mexican and Pacific Railroad Company | |
| R49 | Rio Grande Western Railway | |
| R721 | Roseburg & Coos Bay Railroad | |
| Zc19 | Individual Railroads | |
| Sa12 | Sacramento & Placerville Railroad Company | |
| Sa14 | Sacramento Valley Railroad Company | |
| Sa19 | St. Croix & Lake Superior Railroad | |
| Sa23 | St. Joseph and Denver City Railroad | |
| Sa235 | St. Joseph, Kansas and Texas Pacific Railway | |
| Sa2355 | St. Joseph, St. Louis, and Santa Fé Railway Company | |
| Sa24 | St. Joseph and Western Railroad | |
| Sa2405 | St. Louis, Alton, and Terre Haute Railroad | |
| Sa241 | St. Louis and Columbus Railroad | |
| Sa242 | St. Louis and San Francisco Railway Company | |
| Sa2425 | St. Louis and St. Joseph Railroad Co. | |
| Sa243 | St. Louis and Iron Mountain Railroad | |
| Sa2435 | St. Louis, Hannibal & Keokuk Railway Company | |
| Sa244 | St. Louis, Iron Mountain & Southern Railway Company | |
| Sa2440 | St. Louis, Kansas City, and Colorado Railroad Company | |
| Sa2441 | St. Louis, Kansas City and Northern Railway Company | |
| Sa2443 | St. Louis and Suburban Railway Company | |
| Sa2447 | St. Louis Southwestern Railway Company of Texas | |
| Sa245 | St. Paul and Chicago Railway Company | |
| Sa247 | Saint Paul and Duluth Railroad Company | |
| Sa249 | St. Paul and Northern Pacific Railway Company | |
| Sa25 | St. Paul and Pacific Railroad | |
| Sa27 | St. Paul, Minneapolis and Manitoba Railroad | |
| Sa512 | San Antonio and Aransas Pass Railway Company | |
| Sa51 | San Antonio and Mexican Gulf Railroad Company | |
| Sa515 | San Francisco and Alameda Railroad | |
| Sa517 | San Francisco and Colorado River Railway | |
| Sa519 | San Francisco Central Pacific Railroad | |
| Sa52 | San Francisco and Sacramento Railroad | |
| Sa525 | San Francisco and Salt Lake Railroad | |
| Sa526 | San Francisco and San Joquin Valley Railway | |
| Sa53 | San Francisco and Washoe Railroad | |
| Sa54 | San Pedro, Los Angeles & Salt Lake Railroad | |
| Sa55 | San Francisco Central Pacific Railroad | |
| Sa59 | Santa Clara Railroad Company | |
| Se118 | Seattle and Northern Railway Company | |
| Se18 | Seattle and Walla Walla Railroad | |
| Se185 | Seattle, Lake Shore and Eastern | |
| Se19 | Seattle Puget Sound and Gray's Harbor Railroad and Transportation Company | |
| Si17 | Sierra Pacific Railroad Company | |
| Si725 | Sioux City and Highland Park Railway Co. | |
| Si73 | Sioux City and Pacific Railroad | |
| Si74 | Sioux City and St. Paul Railroad Company | |
| So84 | Southern Minnesota Railroad | |
| So85 | Southern Pacific Railroad Company (Texas) | |
| So86 | Southern Pacific Company | |
| So87 | Southern Pacific Railroad Company of California | |
| So91 | Southern Transcontinental Railway Company | |
| Sp65 | Spokane and Palouse Railway Company | |
| St61 | Stockton and Copperopolis Railroad | |
| St62 | Stockton and Ione Railroad | |
| Su85 | Sutro Railroad Co. | |
| Zc19 | Individual Railroads | |
| T30 | Texas and New Orleans Railroad | |
| T31 | Texas and Pacific Railway | |
| T32 | Texas Railroad, Navigation & Banking Company | |
| T323 | Texas, Santa Fe & Northern Railroad Company | |
| T325 | Texas Transportation Company | |
| T33 | Texas Trunk Railroad Company | |
| Texas Western Railroad (see Southern Pacific Railroad Company (Texas)) | ||
| T67 | Topolobampo Pacific Railway | |
| T92 | Twin Buttes Railroad Company | |
| Un2 | Union Pacific, Denver and Gulf Railway | |
| Un25 | Union Pacific, Lincoln and Colorado Railway | |
| Un3 | Union Pacific Railroad | |
| Union Pacific Railroad. Eastern Division (see Kansas Pacific Railway) | ||
| Union Pacific Railroad. Kansas Division (see Kansas Pacific Railway) | ||
| Un35 | Union Pacific Railway. Southern Branch | |
| V65 | Vicksburg and El Paso Railroad | |
| V66 | Vicksburg, Shreveport and Texas Railroad | |
| Zc19 | Individual Railroads |
| W12 | Wabash Railway Company |
| W15 | Walla Walla and Columbia River Railroad |
| W51 | Western Narrow Nauge Railway |
| W52 | Western Pacific railroad |
| W55 | Westport & Waldo Railroad |
| W58 | White Pass and Yulon Railway Company |
| W60 | Wichita and South Western Railway Company |
| W75 | Wisconsin Central Railroad |
| W99 | Wyoming and Southwestern Railway Company |