This is a list of defunct automobile manufacturers of the United States. They were discontinued for various reasons, such as bankruptcy of the parent company, mergers, or being phased out.

A

thumb|Auburn Motor Chassis (1912–1915)

  • A Automobile Company (1910–1913) <br /> 'Blue & Gold, Red John, model
  • Abbott-Detroit (1909–1918) <br /> Moved to Cleveland and renamed to 'Abbott' in 1917.
  • Abeln-Zehr (1911–1912) <br /> Renamed to 'Zehr' after departure of S. Abeln in 1912.
  • AC Propulsion (1997–2003) <br /> tzero model
  • Apex Motor Car Company (1920–1922) <br /> Ace model
  • Acme Motor Car Company (1903–1911)
  • Adams Company (1905–1912) <br /> 'Adams-Farwell' model
  • Anger Engineering Company (1913–1915) (also known as A.E.C., but not the same company as the British A.E.C.)
  • Aerocar Company (1905–1908)
  • Aerocar International (1946–1987)
  • Aircraft Products (1947) <br /> Airscoot model
  • Airway (1949–1950)
  • Ajax Motors Co. (1914–1915) <br /> Based in Seattle
  • Ajax Motor Vehicle Company (1901–1903) <br /> Based in New York City
  • Aland Motor Car Company (1916–1917)
  • Albany Automobile Company (1907–1908)
  • Alden Sampson Company (1904) <br /> Sampson model
  • Albaugh-Dover Co. (1910–1911) <br /> Also known as Aldo
  • All-Steel Motor Car Co. (1915–1916)
  • Allen Motor Company (1913–1922) <br /> Based in Ohio
  • Allen Iron & Steel Company (1913–1914) <br /> Based in Philadelphia
  • Alpena Motor Company (1910–1914)
  • Alter Motor Car Company (1914–1917)
  • Altham (1896–1899)
  • Alcoa (1920–1922) <br /> 'Aluminum' model
  • Amalgamated Machinery Corp (1917–1919)
  • Ambassador (1921–1925)
  • American Automobile Manufacturing Company (1911–1912)
  • American Electric (1913–1914) <br /> Based in Michigan
  • American Electric Vehicle Co. (1896–1902) <br /> Based in Chicago
  • American Locomotive Automobile Company (1908–1913)
  • American Motor Carriage Co. (1902–1904) <br /> Balanced Six model. Based in New Jersey
  • American Motors Incorporated (1917–1922) <br /> Amco model. Based in New York
  • American Power Carriage (1899–1900)
  • Ames, F.A. Co. (1910–1922) <br /> Renamed to 'Ames Body Corporation' in 1915
  • Ams-Sterling (1917)
  • Anderson Machine Co. (1906) <br /> Also known as A.E.C.
  • Angus (1907–1910) <br /> Built in St. Louis by the beer company
  • Anhut (1909–1910)
  • Ansted (1926–1927)
  • Ansted-Lexington (1922)
  • Anthony (1899–1900)
  • ArBenz (1911–1918)
  • Atlas Automobile Co. (1906–1907) <br /> Based in Pittsburgh
  • Atlas Motor Car Co. (1907–1913) <br /> Based in Massachusetts. Renamed to 'Atlas-Knight' in 1912.
  • Auburn Automobile Co. (1900–1936) <br /> Based in Indiana
  • Auburn Motor Chassis (1912–1915)
  • Aultman (1901)
  • Aurora Automobile Co. (1905–1906)
  • Automobile Voiturette <br /> Based in Wisconsin
  • Bailey (1907–1910) <br /> Based in Cleveland
  • Balboa (1924–1925)
  • Bates Automobile Company (1904–1905)
  • Bauer (1914–1916)
  • Belden (1907–1911) <br /> Based in Pennsylvania
  • Belmont Electric Auto Co. (1909–1910)
  • Belmont (1916)
  • Biddle (1915–1922)
  • Beisel Motorette Company (1914)
  • Bimel (1916–1917) Renamed to 'Black-Crow' in 1909
  • Blackhawk (1903)
  • Boston-Amesbury (1902–1903)
  • Browniekar (1908–1911) <br /> Based in Indiana
  • Buckmobile (1903–1905)
  • Buffalo Automobile and Auto-Bi Company (1900–1902) <br /> Based in Chicago
  • Burdick (1909)
  • California (1900–1902, 1910)
  • Caloric (1903–1904)
  • Camelot Motors (1981)
  • Campbell (1918–1919)
  • Cantono Electric (1904–1907) <br /> Based in Wisconsin
  • C.B (1917–1918) <br /> Based in Chicago
  • Centaur (1902–1903)
  • Chicago Electric (1899–1901) <br /> Clarkmobile model
  • Classic (1916–1917, 1920)
  • Clinton E. Woods Electric (1897–1901)
  • Clipper (1956)
  • Clough Steamer (1869) <br /> Based in Denver
  • ColbyDenver (1911–1914) <br /> Based in Indianapolis
  • Colonial Motors Corporation (1921–1922) <br /> Based in New York
  • Columbia (1897–1913)
  • Columbian Electric <br /> Based in Ohio
  • Comet (1917–1922) <br /> Based in Ohio
  • Commodore Motors Corporation (1921–1922) (See its predecessor, the Citicar)
  • Conrad (1900–1903) <br /> Based in Minneapolis and Chicago
  • Continental (1933–1934) <br /> Gas-au-lec model
  • Cosmopolitan (1907–1910)
  • Craig-Toledo (1907)
  • Crowdus Electric (1899–1902) <br /> Renamed to 'Croxton' in 1911
  • Cruiser (1917–1919)
  • Dan Patch (1910–1911)
  • Darby Motor Car Company (1909–1910)
  • Darling (1901–1902)
  • Darrin (1946, 1955–1958)
  • Davis Totem (1921–1922)
  • Dawson (1904)
  • Day Automobile Company (1911–1914)
  • Dayton (1914)
  • Dayton Cyclecar (1914)
  • Dayton Electric (1911–1915)
  • Deal (1905–1911)
  • Decatur (1910–1911)
  • Decatur (1914–1915)
  • Decker (1902–1903)
  • Deering Magnetic (1918–1919)
  • Desberon (1901–1904)
  • DeSoto (1928–1961)
  • De Tamble (1908–1913)
  • Diamond (1914–1915)
  • Diamond T (1905–1967)
  • Diana (1925–1928)
  • Dile (1914–1917)
  • Dingfelder Motor Company (1903)
  • Disbrow (1917–1918)
  • Dixie (1916)
  • Dudly Tool Company (1913–1915)
  • Dunn (1916–1918)
  • Dymaxion (1933)

E

thumb|Eagle Cycle Car advertisement (1915)

thumb|Eagle Cycle Car advertisement rotary engine (1915)

  • Eagle (1905–1909)
  • Earl Motors Incorporated (1907–1908)
  • Earl (1921–1923)
  • Eastman (1898–1900)
  • Eaton Electric (1898–1900)
  • Eck
  • Elberon (Columbia model)
  • Eldredge (1903–1906)
  • Electra (1914–1915)
  • Elite (1901–1902)
  • Elliott (1897–1899)
  • E-M-F (1909–1912)
  • Engler (W.B.) Cyclecar Company (1914–1915)
  • Entz (1914)
  • Erskine (1927–1930)
  • Excalibur (1965–1997)
  • Excel (1914)

F

  • Fageol (1900, 1917) <br /> Also known as F.A.L.
  • Falcon Engineering Company (1907–1909)
  • Fiberfab (1964–1983)
  • Fidelia (1913–1914)
  • Flagler (1914) <br /> Based in Michigan
  • Flanders 20 (1910–1912)
  • Flanders (1913) <br /> 'Flanders Six' model
  • Flexbi (1904) <!-- is there any point in creating a page when it will just be nominated for deletion as "non-notable" 5min later?-->
  • Forest City <!-- is there any point in creating a page when it will just be nominated for deletion as "non-notable" 5min later?-->
  • Forth (1910–1911)<br />Mansfield, Ohio, company, one of two of the same name, organized by Clarence Forth. Only one prototype car assembled; went bankrupt late 1911. <!-- is there any point in creating a page when it will just be nominated for deletion as "non-notable" 5min later?-->
  • Fort Pitt <!-- is there any point in creating a page when it will just be nominated for deletion as "non-notable" 5min later?-->
  • Foster (1889,1901–1904)
  • Fox (1921–1923)
  • Friend Motors Corporation (1920–1921)
  • Fritchle Electric (1905–1920)
  • Fuller (1908–1910)
  • Gadabout (1914–1916)
  • Gaeth (1902–1911)
  • Gage (1914–1915)
  • Gale (1905–1907)
  • Galloway (1906–1920)
  • Gardner (1920–1931)
  • Garford (1908, 1911–1913)
  • Gearless Steamer (1919–1923)
  • General Electric (1898–1900)
  • General Motors Corporation (1908–2009)
  • Geneva (1901–1904)
  • German-American (1902–1903)
  • Gleason (1909–1913)
  • Graham-Paige (1928–1930; Graham 1930–1941)
  • Gramm (1902)
  • Graves & Condon (1908–1910))
  • Gurley (1899–1901)
  • Gyroscope (1908–1909)

H

  • Haase (1902–1904)
  • Hackett Motor Car Company (1916–1919)
  • H.A.L. (1916–1918)
  • Hamilton (1917)
  • Hanover (1921–1927)
  • Hardy forming of Houpt-Rockwell in 1910) Covered in the German Wikipedia
  • Hartley (1895–1899)
  • Harwood-Barley (1911–1915)
  • Hasbrouck (1900–1902)<!--No McCoys?-->
  • Hatfield (1916–1924)
  • Havers Motor Car Company (1908–1914)
  • Hawk Cyclecar Company (1914)
  • Hawkins Cyclecar (1914)
  • Haydock <!--Scored! -->
  • Henney (1921–1931)
  • Hewitt (1905–1914)
  • Hewitt-Lindstrom (1900–1901)
  • Heymann (1898–1907)
  • Hoffman (1931)
  • Holden (1915)
  • Holland (1902–1903)
  • Holmes (1906–1907)
  • Homer Laughlin (1916)
  • Howard (1895–1903)
  • Imp (1913–1914)
  • Imperial (1955–1975, 1981–1983)
  • Imperial Electric (1903–1904)
  • International (1899)
  • International (1900)
  • International Cyclecar Company (1914)
  • International Cyclecar Company (1914)
  • International Harvester (1907–1980)
  • Inter-State (1909–1919)
  • Jeffery (1902–1917)
  • Jenkins (1907–1912)
  • Jones (1914–1920)
  • Jones-Corbin (1903–1907)
  • Jonz (1909–1912)
  • Julian (1918, 1925)
  • Kato (1907–1913)
  • Keller (1948–1950)
  • Kenmore (1910–1912)
  • Keystone (1914–1915)
  • Kiblinger (1907–1909)
  • King-Remick (1910)
  • Kinner
  • Kirk (1901–1905)<!--Beam me up, Scotty--> <br /> Yale model
  • Kissel (1906–1930)
  • Kleiber (1924–1929)
  • Kline Kar (1910–1923) Produced Krastin Gasoline Automobile (1901)
  • K-R-I-T Motor Car Company (1909–1915)
  • Krueger (1905–1906)
  • Kurtis (1949–1950, 1954–1955)
  • Kurtz-Automatic (1920–1925)
  • La Petite (1905)
  • Laurel (1916–1920)
  • Lewis Motocycle (1895)
  • Lexington (1909–1927)
  • Liberty Motor Car Company (1916–1924)
  • Light Steamer (1901–1902)
  • Light Motor Car Company (1914)
  • Lincoln (1912–1913) (see also Sears Roebuck)
  • Lincoln Motor Car Company (1914)
  • Lindsley (1908–1909)
  • Logan (1903–1908)
  • Logan (cyclecars; 1914)
  • L.P.C.
  • Manexall (1920)
  • Marquette (1930)
  • Marr (1903–1904)
  • Marsh (1920–1923)
  • Martin (1898–1900)
  • Massillon (1909)
  • McCue (1909–1911)
  • McCurdy (1922)
  • Merkur (1985–1989)
  • Merz (1914)
  • Metropol (1913–1914)
  • Metz (1909–1921)
  • Metzger (see Everitt) <br /> 'Carter Steam' model
  • Michigan Automobile Company (1902)
  • Middleby (1909–1913)
  • Midwest
  • Mitchell-Lewis (see Mitchell)
  • Modoc (1912–1914)
  • Moline (1904–1913; Moline-Knight 1914–1919)
  • Moller (1920–1922)
  • Morgan (1900–1902)
  • Morris & Salom (1895–1897)
  • Morriss-London (1919–1923)
  • Mosler Automotive (1985–2013)
  • Motor Bob (1914)
  • Motor Buggy (1908–1911)
  • Motorcar Company (1905–1907; Cartercar 1905–1915)
  • Motorette (1911–1914) (see Mueller Co., which was founded by the same person)
  • Mueller Manufacturing Company (1893–1952)
  • Multiplex (1912–1913)
  • Murdaugh (1901–1903)
  • Napier Motor Car Company of America (1904–1912)
  • Napoleon (1916–1919)
  • Nash Motors (1917–1957)
  • Nash-Healey (1951–1954)
  • National (1900–1924)
  • Nelson (E.A.) Motor Car Company (1917–1921)
  • New Home (1899–1901)
  • Nichols Shepard (1910–1911)
  • Noble (1902)
  • Northway (1921–1922)
  • Northwestern
  • Norwalk Underslung (1910–1922)
  • Nu-Klea Automobile Corporation (1959–1960)
  • Nyberg (1911–1913)
  • Ohio (1900–1902) (see Packard)
  • Ohio (1909–1912)
  • Ohio Electric Car Company (1910–1918)
  • Ohio Falls <br /> Also known as Ottokar
  • Otto-mobile (1899)
  • Owen Motor Car Company (1910–1911)
  • Owen Magnetic (1915–1922)
  • Owen Schoeneck
  • Packard Motor Car Company (1899–1958)
  • Paige-Detroit (1908–1911; Paige 1911–1928; Graham-Paige 1928–1930)
  • Palmer (1905–1906)
  • Parsons Electric (1905–1906)
  • Paterson (W. A.) Company (1909–1923)
  • Pathfinder (1912–1917)
  • Pence Automobile Company (circa 1905)
  • Penn (1901)
  • Penn (1908)
  • Pennsy (1916–1918)
  • Perfection (1907–1908)
  • Phelps (1903–1905)
  • Phianna (1917–1922)
  • Phipps-Grinnell (1911; Phipps Electric 1912)
  • Pontiac (1926–2010)
  • Pope-Hartford (1904–1914)
  • Porter (1919–1922)
  • Portland (1914)
  • Powercar (1909–1911)
  • Rapid Motor Vehicle Company (1902–1909) <br /> Also known as Raulang.
  • Rayfield (1911–1915)
  • R.C.H (1912–1915)
  • Read Motor Company (1913–1914)
  • Reading (1910–1913)
  • Reading Steamer (1901–1903)
  • Red Jacket (1904–1905)
  • Regal Motor Car Company (1908–1918)
  • REO Motor Car Company (1905–1975)
  • Renaissance Cars Inc (1994–1997) <br /> Also known as Zebra Motors Inc.
  • Republic (1910–1916)
  • Rock Falls (1919–1925) <br /> Steamobile model
  • Rogers Motor Car Co (1911–1912)
  • Rogers & Hanford (1899–1902)
  • Roosevelt (1929–1930)
  • Roper (1860–1896)
  • Salisbury (1895)
  • Salter (1909–1915)
  • Saturn (1991–2010)
  • Saxon Motor Car Company (1913–1923)
  • Sayers (1917–1924) <br /> 'Kerosine Carriage' model
  • Scott (1900–1901, 1903)
  • Sebring (1910–1912)
  • Sekine (1923)
  • Severin (1920–1921) <br /> 'Arrow' model
  • Shawmobile (1908–1930)
  • Shawmut (1906–1908)
  • Shelby (1903) <br /> 'Dixie Junior' and 'Dixie Tourist' models.
  • Sovereign (1906–1907)
  • Spencer Steamer (1862, 1901–1902)
  • Sphinx (1914–1916)
  • Springer (1903–1905)
  • Stanley (1907–1910)
  • Stanley Steamer (1897–1927)
  • Stanley Whitney (1899) <br /> Renamed to Stearns Steamer for 1901–1903
  • Steco (1914)
  • Sterling (1909–1911)
  • Sterling (1915–1916)
  • Sterling-Knight (1920–1926)
  • Studebaker-Garford (1903–1911)
  • Sturges Electric
  • Sturtevant (1905–1907)
  • Success (1906–1909)
  • Sultan (1908–1912)
  • Sun (1916–1917, 1921–1922)
  • Sunset (1900–1913)
  • Templeton-Dubrie (1910)
  • Thomas (1902–1919)
  • Thomas-Detroit (1906–1908)
  • Tinker & Piper Steam (1899)
  • Tinkham (1898–1899)
  • Tonawanda
  • Trumbull (1914–1915)
  • United (1919–1920)
  • Victor Page Motors Corp (1921–1924)
  • Victor Steamer (1899–1903) <br /> 'Steamer' model
  • Victory (1920–1921)

W

thumb|Woods Mobilette Model 3 (1914)

  • Waco (1915–1917)
  • Waldron (1908–1911)
  • Waltham Steam (1898–1902)
  • Ward Electric (1914–1916)
  • Ware Steam Wagon (1861–1867)
  • Warren (1910–1913)
  • Whitmore, M.C. Co (1914) <br /> Arrow Cyclecar model
  • Whitney (1896–1900)
  • Worth (1906–1910)

Y

  • Yale
  • Yellow (1915–1930)

Z

thumb|Zip Cycle Car (1913–1914)

  • Zehr (1912–1915)