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 streetcar conspiracy General Motors streetcar conspiracy The General Motors streetcar conspiracy refers to convictions of General Motors (GM) and other companies for monopolizing the sale of buses and supplies to National City Lines (NCL) and its subsidiaries, and to allegations that this was part of a deliberate plot to purchase and dismantle streetcar systems in many cities in the United States as an attempt to monopolize surface transportation. Between 1938 and 1950, National City Lines and its subsidiaries, American City Lines and Pacific City Lines—with investment from GM, Firestone Tire, Standard Oil of California through a subsidiary, Federal Engineering, Phillips Petroleum, and