With revenue of 220,290 million US dollars in 2014, VW Group tops our list. The carmaker's production is behind that of Toyota’s and General Motors, but with high-profit margins, the company is on the top spot when it comes to revenue generation. Headquartered at Wolfsburg, Germany, the VW Group controls a total of 9 brands namely, Audi, Bentley, Bugatti, Lamborghini, Scania, Seat, Skoda, Volkswagen Commercial Vehicles and Volkswagen Passenger Cars. The year 2014 was pretty rough for the company, as it witnessed a fall of 2.5 per cent but then too managed to make an operating profit of 2.5 billion euros. The group witnessed global sales up from 5.72 million in 2006 to 10.14 million in 2014. Some of the most selling vehicles of the company include names like Golf, Beetle and Passat.