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
History of General Motors Chevrolet Motor Company in 1911 with Louis Chevrolet. R S McLaughlin in 1915 built Chevrolet in Canada and after a stock buy back campaign with the McLaughlin and DuPont corporations, and other Chevrolet stock holders, he returned to head GM in 1916, as Chevrolet owned 54.5% with the backing of Pierre S. du Pont. On October 13 of the same year, GM Company incorporated as General Motors Corporation after McLaughlin merged his companies and sold his Chevrolet stock to allow the incorporation, which in turn followed the incorporation of General Motors of Canada (reverting to General Motors Company upon emergence