Headquarters: Richmond, Va.
Parent company: Circuit City Stores
Top executives: Richard Sharp, chairman-CEO, Circuit City Stores; Austin Ligon, president, CarMax; Laura Donahue, director of marketing, CarMax
Market niche: Late-model used cars, along with service and parts. CarMax looks to emulate the practices of sister company Circuit City: a broad selection of brands, training and systems to support employees, no-haggle prices and saturation advertising. CarMax also owns one new-car dealership.