General Motors Company commonly known as GM, formerly incorporated (until 2009) as General Motors Corporation, is an American multinational automotive corporation headquartered in Detroit, Michigan and the world's second-largest automaker in 2010. For the first half of 2011, GM was the world's largest automaker. GM employs 209,000 people and does business in some 157 countries. General Motors produces cars and trucks in 31 countries, and sells and services these vehicles through the following divisions/brands: Buick, Cadillac, Chevrolet, GMC, Opel, Vauxhall, and Holden, as well as two joint ventures in China. GM's OnStar subsidiary provides vehicle safety, security and information services.
On June 8, 2009, General Motors filed for reorganization under the provisions of Chapter 11, Title 11, United States Code. On July 10, 2009, with financing partially provided by the US Government, General Motors emerged from reorganization. GM was re-listed on the NYSE on November 18, 2010, setting the record for the largest IPO in US history with a value of $20.1 billion. Before the IPO, the U.S. government owned a 27% stake in GM, and the Canadian government still owns a 12% stake in the company. The Ontario government has owned a 3.8% stake in the company since 2009.