CarMax, Inc., through its subsidiaries, operates as a retailer of used vehicles and related products in the United States. It operates in two segments: CarMax Sales Operations and CarMax Auto Finance. The CarMax Sales Operations segment offers customers a range of makes and models of used vehicles, including domestic, imported, and luxury vehicles, as well as hybrid and electric vehicles; used vehicle auctions; extended protection plans to customers at the time of sale; and reconditioning and vehicle repair services. The CarMax Auto Finance segment provides financing alternatives for retail customers across a range of credit spectrum and arrangements with various financial institutions. The company was founded in 1993 and is based in Richmond, Virginia.

Penske Automotive Group, Inc., a diversified transportation services company, operates automotive and commercial truck dealerships worldwide. The company operates through four segments: Retail Automotive, Retail Commercial Truck, Other, and Non-Automotive Investments. It operates dealerships under franchise agreements with various automotive manufacturers and distributors. The company is also involved in the sale of new and used motor vehicles, maintenance and repair services, sale and placement of third-party finance and insurance products, third-party extended service and maintenance contracts, replacement and aftermarket automotive products, collision repair services, and wholesale of parts. In addition, it operates a heavy and medium duty truck dealership, which offers Freightliner and Western Star branded trucks, as well as offers a range of used trucks. Further, it imports and distributes Western Star heavy-duty trucks, MAN heavy and medium duty trucks and buses, and Dennis Eagle refuse collection vehicles with associated parts. Additionally, the company distributes diesel and gas engines, and power systems. Penske Automotive Group, Inc. was incorporated in 1990 and is headquartered in Bloomfield Hills, Michigan. Penske Automotive Group, Inc. is a subsidiary of Penske Corporation, Inc.

Lithia Motors, Inc. operates as an automotive retailer worldwide. It operates in two segments, Vehicle Operations and Financing Operations. The company's Vehicle Operations segment sells new and used vehicles; provides parts, repair, and maintenance services; vehicle finance; and insurance products. Its Financing Operations segment provides financing to customers buying and leasing retail vehicles. The company sells its products and services through the Driveway and Greencars brand names through a network of locations, e-commerce platforms, and captive finance solutions. Lithia Motors, Inc. was founded in 1946 and is headquartered in Medford, Oregon.

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.

America's Car-Mart, Inc., through its subsidiaries, operates as an automotive retailer for the used car market in the United States. It primarily sells older model used vehicles and provides financing for its customers. The company was founded in 1981 and is headquartered in Rogers, Arkansas.

RumbleOn, Inc. primarily operates as a powersports retailer in the United States. It operates in two segments, Powersports and Vehicle Transportation Services. The Powersports segment provides new and pre-owned motorcycles, all-terrain vehicles, utility terrain or side-by-side vehicles, personal watercraft, snowmobiles, and other powersports products. It also offers parts, apparel, accessories, finance and insurance products and services, and aftermarket products, as well as repair and maintenance services. The Vehicle Transportation Services segment provides asset-light transportation brokerage services facilitating automobile transportation. The company was formerly known as Smart Server, Inc. and changed its name to RumbleOn, Inc. in February 2017. The company was incorporated in 2013 and is based in Irving, Texas.