The following is a list of American companies that produced, or currently produce clocks. Where known, the location of the company and the dates of clock manufacture follow the name.

Samuel Abbott; Montpelier, Vermont (1830–1861) Ansonia Clock Company; Ansonia, Connecticut, and Brooklyn, New York (1851–1929) Attleboro Clock Company; Attleboro, Massachusetts (1890–1915) Bailey Banks & Biddle; Philadelphia, Pennsylvania (1832–1846) Birge, Gilbert & Co; Bristol, Connecticut (1835) Birge, Mallory & Co; Bristol, Connecticut (1837–1843) Birge, Peck & Co; Bristol, Connecticut (1830) Boardman & Dunbar; Bristol, Connecticut (1811) Boardman & Wells; Bristol, Connecticut (1832–1843) Brewster & Ingrahams; Bristol, Connecticut (1843–1852) Bridgeport Clock Company (? - 1853) Chauncey Boardman; Bristol, Connecticut (1813–1823) Chauncey Jerome; Bristol, Connecticut (1816–1853) Chelsea Clock Company; Boston, Massachusetts (1887–Present) Chicago Clock Manufacturing Company; Chicago, Illinois (ca. 1860–?) Colonial of Zeeland Clock Company; Zeeland, Michigan (1899–1986) David Wood; Newburyport, Massachusetts (1766–1824) Dyer, Wadsworth & Company; Augusta, Georgia (1838–1843) E. Howard & Co.; Boston, Massachusetts (1842–Present) E & A Ingrahams; Bristol, Connecticut (1852–1856) Elgin Watch Company; Illinois (1864-1968) Elias Ingraham; Bristol, Connecticut (1831–1841) Elias Ingraham & Company; Bristol, Connecticut (1857–1860) E Ingraham Company; Bristol, Connecticut (1884–1958) Eli Terry; Northbury, Connecticut (1795–1852) E N Welch Company; Bristol, Connecticut (1864–1903) F Kroeber; New York, New York (1870–1887) F Kroeber Clock Company; New York, New York (1887–1904) Franklin Clock Company; Philadelphia, Pa (1931-1962) General Electric General Time; Stamford, Connecticut (1930–2001) H.C. Thompson Clock Company; Bristol, Connecticut (1903-?) Harris & Mallow, Lakewood, NJ Heman Clark; Plymouth Hollow, Connecticut (1783–1813) Heman Clark; Salem Bridge, Connecticut (1738–1838) Herschede Clock Company; Cincinnati, Ohio and Starkville, Mississippi (1885-1984) Hotchkiss and Benedict; Auburn, New York (ca. 1835) Howard Miller Clock Company; Zeeland, Michigan (1926–Present) Ingraham Company; Bristol, Connecticut (1958–1967) Ithaca Calendar Clock Company; Ithaca, New York (late 1800s) Jennings Brothers Manufacturing Corporation Bridgeport, Connecticut (? - ?) Joyce Bros. & Co.; Boston, Massachusetts, Providence, Rhode Island, and Portland, Maine (? - ?) Lawson Clock Company, Los Angeles, California Luman Watson; Cincinnati, Ohio (1809–1834) Masterclock Inc.; St. Charles, MO (1994–Present) Munger and Benedict; Auburn, New York (ca. 1825) National Time & Signal; Wixom, Michigan (1877–present) Introduces the world's first pneumatically controlled master clock system. New England Clock Company; New Haven, Connecticut (1959–2000) New Haven Clock Company; New Haven, Connecticut (1853–1959) Parker & Whipple; Meriden, Connecticut (1795–1868) Parker & Whipple Manufacturing Company; Meriden, Connecticut (1868–1893) Parker Clock Company; Meriden, Connecticut (1893–1934) Pomeroy, Noah; Bristol, Connecticut (1847-1878) Ray and Ingraham; Bristol, Connecticut (1841–1844) Reeves & Company; (1820 - ?) Rempe Manufacturing Company; Danville Pennsylvania (1903--1905) Ridgeway Clocks; Ridgeway, Virginia Riley Whiting; Winchester, Connecticut and Winstead, Connecticut (1808–1835) Samuel Whiting; Concord, Massachusetts (1808–1817) Salem Clock Company; Hartford, Connecticut Sangamo Electric Company; Springfield, Illinois (1899–1931) Self Winding Clock Company; New York City, New York (1886-1970) Sempire Clock Company; St.Louis, Missouri (1897-1908) Seth Thomas Clock Company (1807–Present) Sessions Clock Company; Bristol, Connecticut (1903–1969) Spartus Corporation; Chicago, Illinois, and Louisville, Mississippi (1934–2001) Standard Electric Time Company; Waterbury, Connecticut, Springfield, Massachusetts, and Tecumseh, Michigan (1887–Present) Sternreiter; Berea, Ohio, (2003-Present) Telechron; Ashland, Massachusetts (1916-1992) Time Telegraph Company (1883–1887) United Clock Company; Peru, Illinois (1853–1887) Waltham Aircraft Clock Corporation; since 1994 in Ozark, Alabama, continuation of Waltham Precision Instruments Company Warren Clock Company, Ashland, Massachusetts; 1912-1946 Waterbury Clock Company; Waterbury, Connecticut (1857–1967) Western Clock Company or Westclox; (1885–2001) William L Gilbert; Winsted, Connecticut (1841–1871) William L Gilbert Clock Company; Winsted, Connecticut (1871–1934) William L. Gilbert Clock Corporation; Winstead, Connecticut (1934–1964) Williams, David (clockmaker); Newport, Rhode Island and Providence, Rhode Island (c.1800-1823) Williams, Orton & Preston; Farmington, Connecticut (1830–1840) Wood Art for Living; Severn, Maryland (2009–Present) Wuersch; Fall River, Massachusetts (1961-1995) Elderhorst Bells, Inc., Palm, Pa. (1964–Present)

See also List of clock manufacturers

References