General Motors Company designs, builds, and sells trucks, crossovers, cars, and automobile parts; and provide software-enabled services and subscriptions worldwide. The company operates through GM North America, GM International, Cruise, and GM Financial segments. It markets its vehicles primarily under the Buick, Cadillac, Chevrolet, GMC, Baojun, and Wuling brand names. In addition, the company sells trucks, crossovers, cars, and automobile parts through retail dealers, and distributors and dealers, as well as to fleet customers, including daily rental car companies, commercial fleet customers, leasing companies, and governments. Further, it offers range of after-sale services through dealer network, such as maintenance, light repairs, collision repairs, vehicle accessories, and extended service warranties. Additionally, the company provides automotive financing; and software-enabled services and subscriptions. General Motors Company was founded in 1908 and is headquartered in Detroit, Michigan.

PACCAR Inc designs, manufactures, and distributes light, medium, and heavy-duty commercial trucks in the United States, Canada, Europe, Mexico, South America, Australia, and internationally. It operates through three segments: Truck, Parts, and Financial Services. The Truck segment designs, manufactures, and distributes trucks for the over-the-road and off-highway hauling of commercial and consumer goods. It sells its trucks through a network of independent dealers under the Kenworth, Peterbilt, and DAF nameplates. The Parts segment distributes aftermarket parts for trucks and related commercial vehicles. The Financial Services segment conducts full-service leasing operations under the PacLease trade name, as well as provides finance and leasing products and services to customers and dealers. This segment also offers equipment financing and administrative support services for its franchisees; retail loan and leasing services for small, medium, and large commercial trucking companies, as well as independent owners/operators and other businesses; and truck inventory financing services to independent dealers. In addition, this segment offers loans and leases directly to customers for the acquisition of trucks and related equipment. The company also manufactures and markets industrial winches under the Braden, Carco, and Gearmatic nameplates. PACCAR Inc was founded in 1905 and is headquartered in Bellevue, Washington.

Ford Motor Company develops, delivers, and services a range of Ford trucks, commercial cars and vans, sport utility vehicles, and Lincoln luxury vehicles worldwide. It operates through Ford Blue, Ford Model e, and Ford Pro; Ford Next; and Ford Credit segments. The company sells Ford and Lincoln vehicles, service parts, and accessories through distributors and dealers, as well as through dealerships to commercial fleet customers, daily rental car companies, and governments. It also engages in vehicle-related financing and leasing activities to and through automotive dealers. In addition, the company provides retail installment sale contracts for new and used vehicles; and direct financing leases for new vehicles to retail and commercial customers, such as leasing companies, government entities, daily rental companies, and fleet customers. Further, it offers wholesale loans to dealers to finance the purchase of vehicle inventory; and loans to dealers to finance working capital and enhance dealership facilities, purchase dealership real estate, and other dealer vehicle programs. The company was incorporated in 1903 and is based in Dearborn, Michigan.

Genuine Parts Company distributes automotive replacement parts, and industrial parts and materials. It operates in two segments: Automotive Parts Group and Industrial Parts Group segments. The company distributes automotive replacement parts for hybrid and electric vehicles, trucks, SUVs, buses, motorcycles, recreational vehicles, farm vehicles, small engines, farm equipment, marine equipment, and heavy duty equipment; and equipment and parts used by repair shops, service stations, fleet operators, automobile and truck dealers, leasing companies, bus and truck lines, mass merchandisers, farms, and individuals. It also distributes industrial replacement parts and related supplies, such as abrasives, adhesives, sealants and tape, bearings, chemicals, cutting tools, electrical, facility maintenance, hose and fittings, hydraulics, janitorial, mechanical power transmission, pneumatics, process pumps and equipment, safety, seals and gaskets, and tools and testing instruments, as well as maintenance, repair, and operation customers in aggregate and cement, automotive, chemical and allied products, equipment and machinery, equipment rental and leasing, fabricated metals, food and beverage, iron and steel, lumber and wood, oil and gas, pulp and paper, and rubber products. In addition, the company provides various services and repairs comprising gearbox and fluid power and process pump assembly and repair, hydraulic drive shaft repair, electrical panel assembly and repair, hose and gasket manufacture and assembly. It operates in the United States, Canada, France, the United Kingdom, Ireland, Germany, Poland, the Netherlands, Belgium, Spain, Portugal, Australia, New Zealand, Mexico, Indonesia, and Singapore. The company was incorporated in 1928 and is headquartered in Atlanta, Georgia.

AutoNation, Inc., through its subsidiaries, operates as an automotive retailer in the United States. The company operates through three segments: Domestic, Import, and Premium Luxury. It offers a range of automotive products and services, including new and used vehicles; and parts and services, such as automotive repair and maintenance, and wholesale parts and collision services. The company also provides automotive finance and insurance products comprising vehicle services and other protection products; and indirect financing for vehicles, as well as arranges finance for vehicle purchases through third-party finance sources. It owns and operates new vehicle franchises from stores located primarily in metropolitan markets in the Sunbelt region, as well as AutoNation-branded collision centers, AutoNation USA used vehicle stores, AutoNation-branded automotive auction operations, and parts distribution centers. The company was formerly known as Republic Industries, Inc. and changed its name to AutoNation, Inc. in 1999. AutoNation, Inc. was incorporated in 1980 and is headquartered in Fort Lauderdale, Florida.

Group 1 Automotive, Inc., through its subsidiaries, operates in the automotive retail industry in the United States and the United Kingdom. The company sells new and used cars, light trucks, and vehicle parts, as well as service and insurance contracts; arranges related vehicle financing; and offers automotive maintenance and repair services. Group 1 Automotive, Inc. was incorporated in 1995 and is headquartered in Houston, Texas.

Rush Enterprises, Inc., through its subsidiaries, operates as an integrated retailer of commercial vehicles and related services in the United States and Canada. The company operates a network of commercial vehicle dealerships under the Rush Truck Centers name. Its Rush Truck Centers primarily sell commercial vehicles manufactured by Peterbilt, International, Hino, Ford, Isuzu, IC Bus, Blue Bird, and Dennis Eagle. The company also offers new and used commercial vehicles, and aftermarket parts, as well as service and repair, financing, and leasing and rental services; and offers property and casualty insurance, including collision and liability insurance on commercial vehicles, cargo insurance, and credit life insurance products. In addition, it provides equipment installation and repair, parts installation, and paint and body repair services; new vehicle pre-delivery inspection, truck modification, and natural gas fuel system installation services, body, chassis upfitting, and component installation services; and vehicle telematics products, as well as sells new and used trailers, and tires for use on commercial vehicles. The company serves regional and national fleets, corporations, local and state governments, and owner-operators. It operates a network of centers located in the states of Alabama, Arizona, Arkansas, California, Colorado, Florida, Georgia, Idaho, Illinois, Indiana, Kansas, Kentucky, Missouri, Nevada, New Mexico, North Carolina, Ohio, Oklahoma, Pennsylvania, Tennessee, Texas, Utah, Virginia, and Ontario. Rush Enterprises, Inc. was incorporated in 1965 and is headquartered in New Braunfels, Texas.

P.A.M. Transportation Services, Inc., through its subsidiaries, operates as a truckload transportation and logistics company in the United States, Mexico, and Canada. The company operates a truckload dry van carrier that transports general commodities, such as automotive parts; expedited goods; consumer goods, such as general retail store merchandise; and manufactured goods, including heating and air conditioning units. The company also provides brokerage and logistics services. As of December 31, 2023, it operated a fleet of 2,200 trucks, which included 300 independent contractor trucks; and 8,567 trailers. The company was founded in 1980 and is headquartered in Tontitown, Arkansas.