BMW

BMW, abbreviated for Bayerische Motoren Werke or in English Bavarian Motor Works, is an independent German company and manufacturer of automobiles and motorcycles. BMW is the parent company of the MINI and Rolls-Royce car brands, and was the owner of Rover.

Ford Motor

Ford Motor Company is an American multinational corporation and the world's third largest automaker, based on worldwide vehicle sales, excluding sales from Ford's one-third ownership of Mazda. In 2006, Ford was the second-ranked automaker in the US with a 17.5% market share. Ford was also seventh-ranked American-based company in the 2007 Fortune 500 list, based on global revenues of $160.1 billion. In 2006, Ford produced about 6.6 million automobiles, and employed about 280,000 employees at about 100 plants and facilities worldwide.

General Motors Corporation

General Motors Corporation, also known as GM is the world's largest automaker by sales revenue and has been the world's largest automaker by unit sales from 1931 to 2006, longer than any other automaker. Founded in 1908, in Flint, Michigan, GM employs approximately 284,000 people around the world. With global headquarters at the Renaissance Center in Detroit, Michigan, USA, GM manufactures its cars and trucks in 33 countries.

Porsche

Dr. Ing. h.c. F. Porsche AG, often shortened to Porsche AG, or just Porsche, is a German sports car manufacturer, founded in 1931 by Austrian Ferdinand Porsche, the engineer who also created the first Volkswagen. The company is located in Zuffenhausen, a city district of Stuttgart, Baden-Württemberg.

AB Volvo

[AB Volvo (or Aktiebolaget Volvo), The Volvo Group, is a Swedish manufacturer of commercial vehicles, trucks, buses and construction equipment, drive systems for marine and industrial applications, aerospace components and financial services. The then auto manufacturer was founded on April 14, 1927 in the city of Göteborg Gothenburg, as a spin-off from the roller ball bearing maker SKF.

Fiat Group

Fiat Group, or Fiat S.p.A., is an Italian automobile manufacturer, engine manufacturer, financial and industrial group based in Turin, Northern Italy. Founded in 1899 by a group of investors including Giovanni Agnelli, the company name FIAT is an acronym for Fabbrica Italiana Automobili Torino (Italian Car Factory of Turin), and it also means "let there be" in Latin. Fiat was also an aircraft manufacturer at one time.