Canadian Pacific Kansas City Limited, together with its subsidiaries, owns and operates a transcontinental freight railway in Canada, the United States, and Mexico. The company transports bulk commodities, including grain, coal, potash, fertilizers, and sulphur; merchandise freight, such as forest products, energy, chemicals and plastics, metals, minerals, consumer products, and automotive; and intermodal traffic comprising retail goods in overseas containers. It also provides rail and intermodal transportation services over a network of approximately 20,000 miles serving business centres. The company was formerly known as Canadian Pacific Railway Limited and changed its name to Canadian Pacific Kansas City Limited in April 2023. Canadian Pacific Kansas City Limited was incorporated in 1881 and is headquartered in Calgary, Canada.

Canadian National Railway Company, together with its subsidiaries, engages in the rail, intermodal, trucking, and marine transportation and logistics business in Canada and the United States. The company provides rail services, which include equipment, custom brokerage services, transloading and distribution, business development and real estate, and private car storage services; and intermodal services, such as temperature controlled cargo, port partnerships, and logistics parks. It offers trucking services, such as door-to-door services, import and export dray, interline services, and specialized services, comprising flatbed trucks, on-deck mobile transport trays, expedited cargo, and permit/overweight services; and supply chain services. It serves automotive, coal, fertilizers, temperature controlled cargo, forest products, dimensional, grain, metal and minerals, petroleum and chemicals, consumer goods, and third party logistics applications. The company operates a rail network of approximately 20,000 route-miles of track and shipping spanning. Canadian National Railway Company was incorporated in 1919 and is headquartered in Montreal, Canada.

CSX Corporation, together with its subsidiaries, provides rail-based freight transportation services. The company offers rail services; and transportation of intermodal containers and trailers, as well as other transportation services, such as rail-to-truck transfers and bulk commodity operations. It also transports chemicals, agricultural and food products, minerals, automotive, forest products, fertilizers, and metals and equipment; and coal, coke, and iron ore to electricity-generating power plants, steel manufacturers, and industrial plants, as well as exports coal to deep-water port facilities. In addition, the company provides intermodal services through a network of approximately 30 terminals transporting manufactured consumer goods in containers; and drayage services, including the pickup and delivery of intermodal shipments. It serves the automotive industry with distribution centers and storage locations, as well as connects non-rail served customers through transferring products, such as plastics and ethanol from rail to trucks. The company operates approximately 20,000 route mile rail network, which serves various population centers in 26 states east of the Mississippi River, the District of Columbia, and the Canadian provinces of Ontario and Quebec, as well as owns and leases approximately 3,500 locomotives. It serves production and distribution facilities through track connections. CSX Corporation was incorporated in 1978 and is headquartered in Jacksonville, Florida.

Norfolk Southern Corporation, together with its subsidiaries, engages in the rail transportation of raw materials, intermediate products, and finished goods in the United States. The company transports agriculture, forest, and consumer products comprising soybeans, wheat, corn, fertilizers, livestock and poultry feed, food products, food oils, flour, sweeteners, ethanol, lumber and wood products, pulp board and paper products, wood fibers, wood pulp, beverages, and canned goods; chemicals consist of sulfur and related chemicals, petroleum products comprising crude oil, chlorine and bleaching compounds, plastics, rubber, industrial chemicals, chemical wastes, sand, and natural gas liquids; metals and construction materials, such as steel, aluminum products, machinery, scrap metals, cement, aggregates, minerals, clay, transportation equipment, and military-related products; and automotive, including finished motor vehicles and automotive parts, as well as coal. It also transports overseas freight through various Atlantic and Gulf Coast ports; and operates an intermodal network. As of December 31, 2023, the company operated approximately 19,100 route miles in 22 states and the District of Columbia. Norfolk Southern Corporation was incorporated in 1980 and is headquartered in Atlanta, Georgia.

Westinghouse Air Brake Technologies Corporation, together with its subsidiaries, provides technology-based locomotives, equipment, systems, and services for the freight rail and passenger transit industries worldwide. It offers diesel-electric, battery, and liquid natural gas-powered locomotives; engines, electric motors, and propulsion systems; and marine and mining products. The company also offers positive train control equipment; pneumatic braking products; railway electronics; signal design and engineering services; distributed locomotive power, train cruise controls, and train remote controls; industrial/mobile Internet of Things hardware and software, edge-to-cloud, on and off-board analytics and rules, and asset performance management solutions; rail and shipper transportation management, and port visibility and optimization solutions; and network optimization solutions. In addition, it provides freight car trucks, braking equipment, and related components; air compressors and dryers; heat transfer components and systems; track and switch products; new commuter and switcher locomotives; and turbochargers. Further, the company offers freight locomotive overhauls, modernizations, and refurbishment services; locomotive and car maintenance; transit locomotive and car overhaul; unit exchange of locomotive components; and maintenance of way equipment and services. Additionally, it provides railway and freight braking equipment and related components; friction products, such as brake shoes, discs, and pads; heating, ventilation, and air conditioning equipment; access and platform screen doors; pantographs; auxiliary power converter and battery chargers; passenger information systems and closed-circuit television; signaling and railway electric relays; and doors, window assemblies, accessibility lifts, ramps, and electric charging solutions for buses. The company was founded in 1869 and is headquartered in Pittsburgh, Pennsylvania.

FreightCar America, Inc., through its subsidiaries, engages in design, manufacture, and sale of railcars and railcar components for the transportation of bulk commodities and containerized freight products in the United States and Mexico. It operates in two segments, Manufacturing and Parts. The company offers a range of railcars, including open top hoppers, mill gondola cars, intermodal and non-intermodal flat cars, coal cars; bulk commodity cars covered hopper cars, coil steel cars, boxcars, woodchip hoppers, aluminum vehicle carriers, and articulated bulk container railcars. It also sells used railcars; rebuilds, converts, and leases railcars; and sells forged, cast, and fabricated parts for various railcars. The company's customers primarily include shippers, railroads, and financial institutions. FreightCar America, Inc. was founded in 1901 and is headquartered in Chicago, Illinois.