UP - Union Pacific Railroad
Union Pacific Railroad is an operating subsidiary of Union Pacific Corporation. It is the largest railroad in North America, operating in the western two-thirds of the United States. The railroad serves 23 states, linking every major West Coast and Gulf Coast port and provides service to the east through its four major gateways in Chicago, St. Louis, Memphis and New Orleans. Additionally, Union Pacific operates key north/south corridors and is the only railroad to serve all six major gateways to Mexico. UP also interchanges traffic with the Canadian rail systems.
BNSF - Burlington Northern Santa Fe railway
Freight railway. Today's BNSF Railway is the product of some 390 different railroad lines that merged or were acquired during more than 150 years. These include: Burlington Northern (BN), Chicago, Burlington & Quincy Railroad (CB&Q), Northern Pacific Railway (NP), Great Northern Railway (GN), Spokane, Portland & Seattle Railway (SP&S), Frisco (St. Louis-San Francisco Railway Company), Atchison, Topeka and Santa Fe Railway (AT&SF).
KCSR - Kansas City Southern Railway
The Kansas City Southern Railway Company (KCSR) is a Class I railroad that operates over approximately 3,100 track miles in 10 central and southeastern states. Among the U.S. Class I railroads, KCSR has the shortest route between Kansas City, the second largest rail hub in the country, and the Gulf of Mexico. KCSR also boasts the Meridian Speedway from Dallas, Texas to Meridian, Mississippi, which is the fastest-growing and least-congested east west route in the U.S.
CSX
Freight railway. CSX Corporation, based in Jacksonville, Fla., owns companies providing rail, intermodal and rail-to-truck transload services that are among the nation's leading transportation companies, connecting more than 70 river, ocean and lake ports, as well as more than 200 short line railroads. CSX Transportation Inc., operates the largest railroad in the eastern United States with a 22,000-mile rail network linking commercial markets in 23 states, the District of Columbia, and two Canadian provinces.
NS - Norfolk Southern
The railway operates approximately 21,200 route miles in 22 eastern states, the District of Columbia and Ontario, Canada, serves all major eastern ports and connects with rail partners in the West and Canada, linking customers to markets around the world.
Pioneer Railcorp
Pioneer Railcorp is a short line railroad holding company which owns sixteen railroads totaling over 535 miles in ten states. Pioneer roads serve over 250 customers including some of the largest industrial corporations in the United States. Subsidiaries include: Alabama Railroad CO. (ALAB), Alabama & Florida Railway Co. (AF), Decatur Junction Railway Co. (DT), Elkhart & Western Railroad Co. (EWR), Fort Smith Railroad Co. (FSR), Garden City Western Railway Company (GCW), Gettysburg & Northern Railroad Company (GET), Indiana Southwestern Railway Co. (ISW), Kendallville Terminal Railway Co. (KTR), Keokuk Junction Railway Co. (KJRY), Michigan Southern Railroad Co. (MSO), Mississippi Central Railroad Co. (MSCI), Shawnee Terminal Railway Company (STR), Vandalia Railroad Company (VRRC), West Michigan Railroad Co. (WMI)
WLE - Wheeling and Lake Erie Railway
The story of Wheeling & Lake Erie Railway (WLE) began in 1871 with the need for a connection between the Wheeling, WV coal fields and Lake Erie port cities and facilities. The WLE lines interchange with three major Class I railroads (Canadian National, CSX Transportation, and Norfolk Southern).
Indiana Harbor Belt Railroad
The Indiana Harbor Belt Railroad is the largest switch carrier in the U.S. with 54 miles of mainline track (24 miles of which is double main track) and 266 miles of additional yard and siding track.
Vermont Rail System
Vermont Railway, Green Mountain Railroad, Clarendon & Pittsford railroad, Washington County Railroad, New York & Ogdensburg Railway
The Belt Railway Company of Chicago
The Belt Railway is the largest intermediate switching terminal railroad in the United States. The Belt has 28 miles of mainline route with more than 300 miles of switching tracks, allowing it to interchange with every railroad serving the Chicago rail hub. The Belt's Clearing Yards span a 5.5 mile distance among 786 acres, supporting more than 250 miles of track. With Chicago being the largest hub of the railroad industry, very few rail cars travel transcontinentally without coming through Chicago.
Delta Southern Railroad
Delta Southern Railroad Company, headquartered in Tallulah, Louisiana, is a short line freight railroad with three rail lines: (1) Tallulah, Louisiana (KCS connection) to McGehee, Arkansas (UP connection), (2) McGehee, Arkansas (UP connection) to Warren, Arkansas (KCS connection), (3) Sterlington, Louisiana to Monroe, Louisiana (UP connection).
P&W - Portland & Western Railroad
Portland & Western Railroad (P&W), a wholly owned subsidiary of Genesee & Wyoming Inc., operates a 520-mile regional system to the Portland metropolitan area, the Willamette Valley, coastal Toledo, and the deep-water Port of Astoria. Willamette & Pacific Railroad is also part of the Genesee & Wyoming Oregon region.