General Motors Dutch automaker Spyker, and emerged from a government-backed Chapter 11 reorganization. In 2010, the reorganized GM made an initial public offering that was one of the world's top five largest IPOs to date, and returned to profitability later that year. Based on global sales, General Motors is routinely among the world's largest automakers. Headquartered at the Renaissance Center in Detroit, GM employs approximately 180,000 people around the world. In 2009, General Motors sold 6.5 million cars and trucks globally; in 2010, it sold 8.39 million. , Mary Barra is the chief executive officer (CEO) and chairman of the board and
General Motors Company), a competitor of Delco. In 1918 General Motors bought United Motors. Various entities grew out of the original Delco and Remy, including the Dayton Metal Products Corporation, the General Motors Research Corporation, the Delco Division and Remy Electric Division of GM, Delco Remy (now Remy International, Inc.), ACDelco, Delco Electronics, and others. Today's main successor corporation is Delphi Automotive, which nowadays is an independent parent corporation. The General Motors Research Corporation, at Dayton under Kettering, became a true automotive research center. During the next few decades it led the development of: Although GM R&D (as it is known in