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.

Targa Resources Corp., together with its subsidiary, Targa Resources Partners LP, owns, operates, acquires, and develops a portfolio of complementary domestic midstream infrastructure assets in North America. It operates in two segments, Gathering and Processing, and Logistics and Transportation. The company is involved in gathering, compressing, treating, processing, transporting, and selling natural gas; storing, fractionating, treating, transporting, and selling natural gas liquids (NGL) and NGL products, including services to liquefied petroleum gas exporters; and gathering, storing, terminaling, purchasing, and selling crude oil. It is also involved in the purchase and resale of NGL products; and sale of propane, as well as provision of related logistics services to multi-state retailers, independent retailers, and other end-users. In addition, the company offers NGL balancing services; and transportation services to refineries and petrochemical companies in the Gulf Coast area, as well as purchases, markets, and resells natural gas. As of December 31, 2023, it leased and managed approximately 605 railcars; 137 tractors; and 6 vacuum trucks and 2 pressurized NGL barges. Targa Resources Corp. was incorporated in 2005 and is headquartered in Houston, Texas.

CSW Industrials, Inc. operates as a diversified industrial company in the United States and internationally. It operates through three segments: Contractor Solutions, Engineered Building Solutions, and Specialized Reliability Solutions. The Contractor Solutions segment provides condensate pads, pans, pumps, switches, and traps; cements, diffusers, grilles, registers, solvents, thread sealants, and vents; line set covers; refrigerant caps; wire pulling head tools; electrical protection, maintenance chemicals, and installation supplies; ductless mini-split systems installation support tools and accessories; and drain waste and vent system products for use in for heating, ventilation, air conditioning, refrigeration, plumbing, general industrial, architecturally specified building products. The Engineered Building Solutions segment offers architectural railings and associated services; fire and smoke protection solutions; fire stopping solutions; and pre-engineered and custom architectural building components for use in architecturally specified building products. The Specialized Reliability Solutions segment provides anti-seize products; compounds, lubricants, lubricant management products, and sealants; desiccant breather filtration products; and contamination control, industrial maintenance and repair, rail friction modifiers, sealants, and operations solutions for use in energy, general industrial, mining, and rail transportation. The company was incorporated in 2014 and is headquartered in Dallas, Texas.

GATX Corporation, together its subsidiaries, operates as railcar leasing company in the United States, Canada, Mexico, Europe, and India. It operates through three segments: Rail North America, Rail International, and Portfolio Management. The company leases tank and freight railcars, and locomotives for petroleum, chemical, food/agriculture, and transportation industries. It also offers maintenance services, including the interior cleaning of railcars, routine maintenance and repair of car body and safety appliances, regulatory compliance works, wheelset replacements, interior blast and lining, exterior blast and painting, and car stenciling services. In addition, the company manufactures commercial aircraft jet engines and leases aircraft spare engines; and owns and manages tank containers that are leased to chemical, industrial gas, energy, food, cryogenic and pharmaceutical industries, and tank container operators, as well as provides tank container sourcing, remarketing, and inspection and maintenance services. As of December 31, 2023, it owned and operated a fleet of approximately 148,500 railcars; 493 four-axle and 30 six-axle locomotives; 399 aircraft spare engines; and 23,931 tank containers. GATX Corporation was founded in 1898 and is headquartered in Chicago, Illinois.

The Greenbrier Companies, Inc. designs, manufactures, and markets railroad freight car equipment in North America, Europe, and South America. It operates through three segments: Manufacturing; Maintenance Services; and Leasing & Management Services. The Manufacturing segment offers covered hopper cars, gondolas, open top hoppers, boxcars, center partition cars, tank cars, sustainable conversions, intermodal railcars, and railcar equipment. The Maintenance Services segment provides wheel services, including reconditioning of wheels and axles, new axle machining and finishing, and downsizing; operates a railcar maintenance network; and reconditions and manufactures railcar cushioning units, couplers, yokes, side frames, bolsters, and various other parts. The Leasing & Management Services segment offers operating leases and per diem leases for a fleet of approximately 15,500 railcars; and management services comprising railcar maintenance management, railcar accounting services, fleet management and logistics, administration, and railcar re-marketing. This segment provides management services for railroads, shippers, carriers, institutional investors, and other leasing and transportation companies. It serves railroads, leasing companies, financial institutions, shippers, carriers, and transportation companies. The company was founded in 1974 and is headquartered in Lake Oswego, Oregon.

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.

Daseke, Inc. provides transportation and logistics solutions in the United States, Canada, and Mexico. It operates in two segments, Flatbed Solutions and Specialized Solutions. The company transports aircraft parts, manufacturing equipment, structural steel, pressure vessels, wind turbine blades, commercial glass, high security cargo, industrial and hazardous waste, arms, ammunition and explosives, lumber, and building and construction materials, as well as heavy machinery, such as construction, mining, and agriculture. It also offers logistical planning and warehousing services. As of December 31, 2023, the company operated 2,971 company-owned tractors and 1,798 independent owned and operated contractors tractors; and 9,669 trailers. Daseke, Inc. is headquartered in Addison, Texas.