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 business in Flint since 1886, and by 1900 was producing over 100,000 carriages a year in factories located in Michigan and Canada. Prior to his acquisition of Buick, Durant had several Ford dealerships. With springs, axles and other key components being provided to the early automotive industry by Durant-Dort, it can be reasoned that GM actually began with the founding of Durant-Dort. Durant acquired Oldsmobile later in 1908. The next year, he brought in Cadillac, Cartercar, Elmore, Ewing, and Oakland (later known as Pontiac). In 1909, General Motors also acquired the Reliance Motor Truck Company of Owosso, Michigan, and the