History of General Motors Departure (bearings); Delco Electronics and ACDelco (electrical and electronic components); GMAC (finance); General Aviation and North American Aviation (airplanes); GM Defense (military vehicles) and Electronic Data Systems (information technology). General Motors was capitalized by William C. Durant on September 16, 1908 as a holding company. The next day it purchased Buick Motor Company, and rapidly acquired more than twenty companies including Oldsmobile, Cadillac, Oakland, now known as Pontiac, and McLaughlin of Canada. Dr. Campbell, Durant's son-in-law, put 1,000,000 shares on the stock market in Chicago Buick (then controlled by Durant). Durant's earlier company, the Durant-Dort Carriage Company, had been in
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