Allison Engine Company (1929–1995) · Allison Transmission (1929–2007) · Atlantic Aircraft · Dayton-Wright Company (1919–1923) · Delco Electronics · Delphi Automotive Systems (1994-1999) · Detroit Diesel (1938–1988) · DirecTV (1994–2003) · Electro-Motive Diesel (1930–2004) · Electronic Data Systems (1984–1996) · Euclid Trucks (1953–1968) · Fiat (2000–2005; %20) · Fisher Body · Fleetwood Metal Body · Frigidaire (1919–1980) · General Motors Avrupa (1986–2010) · General Motors Diesel Division (1938–1987) · General Motors Diesel (1949–1969) · Ghandhara Industries (1953–1963) · GM Defense (1950–2003) · GMAC Real Estate(1998-2008) · GM Truck & Bus Group (1943–1981) · Volvo Trucks · Hughes Aircraft (1985–1997) · Hughes Electronics (1985–1997) · Hughes Network Systems (1987–2003) · HughesNet (DirecWay/DirecPC) (1996–2003) · Isuzu (1971–2006; %49) · Kettering University · Lotus (1986–1993; %100) · National City Lines · New United Motor Manufacturing, Inc. (NUMMI; 1984–2009) · New Venture Gear (%36, 1990–2002) · Nexteer (2009–2010) · North American Aviation (1933–1948) · Nuvell Financial Services (1997–2008) · PanAmSat (1995–2003) · Remy Electric (1918–1994) · Rochester Products Division · Terex · Saab (1989–2010; %100) · Subaru (1999–2006; %20) · Suzuki (1985–2008; %15) Saturn Corporation (1985–2010) · Terminal Taxi Cab · United Australian Automobile Industries (UAAI; 1989–1996) · Winton Motor Carriage Company · Yellow Coach Manufacturing Company (1925–1943)