# List of United States clock companies

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 and 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 - ?)
* 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)
* 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, Orton & Preston; Farmington, Connecticut (1830–1840)
* Wood Art for Living; Severn, Maryland (2009-Present)
** Weursch; Fall River, Massachusetts (1961-1995)
** Elderhorst Bells, Inc., Palm, Pa. (1964-Present)