List of clock manufacturers
The following is a list of notable companies that produced, or currently produce clocks.  Where known, the location of the company and the dates of clock manufacture follow the name.  In some instances the "company" consisted of a single person.

American clockmakers

Australian clockmakers
ADINA, Woolloongabba (1971-present)
COBB & Co.,
Ingrams Time Systems, (late 1800s-present)

Austrian clockmakers
 L.  Hainz, Prague (1813 - 1873) Fine inlaid Vienna Regulators, Dwarf Vienna Regulator
Carl Saboy, Vienna (1875-1890)
Karl Suchy & Sohne, Vienna (1870–1890 (?))
Mikulas of Kadan, Prague
M.Miller & Sohn, Vienna (1800-?)
Wilhelm Bauer, Vienna (active 1884) President of Vienna Clockmakers Society 1881, and active Clockmaker until late 1920s. Produced Post Office/Official Government Vienna Regulators. Some clocks signed "Kreutz & Bauer in Wein".
Gebr. Resch, Ebensee, Austria. Used trademark "REMEMBER".  Factory began 1862 in Vienna, moved to Ebensee 1871.  Produced up to 15,000 clocks in 1885. Factory sold to Junghans 1901 & renamed "Uhrenfabrik Ebensee Austria". 
Johann Mold, (c. 1870) Vienna. Example known:  Serpentine Dwarf Case Vienna Regulator. No record found of this maker.

Canadian clockmakers

Bees with clocks inc.
The Arthur Pequegnat Clock Company

Danish clockmakers
 Peter Mathiesen, Copenhagen (17251768)
Mette Magrete Tvistman (1741-1827)
 Henrik Kyhl, Copenhagen (18181866)
 Bertram Larsen, Køge/Copenhagen (1827-1970s)

English clockmakers
 Mayfair
  Joseph Antram (clockmaker/watchmaker) to King George I. (Fleet St. London) Active 1691 - 1723. Bracket clock examples exist.
Sir John Bennett; 65 Cheapside, London, watch, clock and jewellery manufacturer (15 October 1814- 3 July 1897), was a watchmaker and local politician. He was the eldest son of John Bennett, watchmaker, of Greenwich.
Edward East, clockmaker to King Charles I.
 Chas Goodall (Clockmaker)1793-1818 26 Bridges St, Covent Garden. 
George Graham (7 July 1673 – 20 November 1751) a partner of Thomas Tompion
Frank Hope-Jones (1867-1950)
Joseph Johnson; Liverpool (1795–1827)
Thomas Kefford (fl. 1710–1750).
Joseph Knibb - Born 1640 Claydon, Oxfordshire Died 1711
George Littlewort; London (fl. 1826–48)
Metamec (1947-1984)
Newgate Clocks; Shropshire (1991–present)
Bartholomew Newsam; London (died 1593)
William Hamilton Shortt (1881-1971)
Thwaites & Reed Clockmakers Ltd.; East Sussex (1740–present)
Thomas Tompion (1639–1713)
 Benjamin Ward; London (1799–1808)

French clockmakers
Antoine Thiout the elder (Paris, 1692–1767) 
Abraham-Louis Breguet; Paris (1775–1823)
Louis-Gabriel Brocot; Paris (1791–1872)
Achille Brocot; Paris (1817–1878)
Antoine Brocot; Paris (1814–1874)
Jean-Baptiste Delettrez; Paris (1816–1887)
Japy Freres; Beaucourt (1776–1910 (?))

German clockmakers
 Johann Baptist Beha (1815–1898)
 Gustav Becker Clock Company; Freiburg in Schlesien, Silesia (1850–1938)
 Florn
 Thomas Haller (Thomas Haller AG), Schwenningen (1880-1900) then merged with Junghans
 Thomas Ernst Haller (Haller AG), Schwenningen (1902-1928) then merged with Kienzle
 Haller Uhrenfabrik GmbH, Simonswald (1874 - present)
 Hamburg-Amerikanische Uhrenfabrik, Schramberg (HAU, HAC in English markets) (1883-1930) then absorbed by Junghans
 Hermle Clocks (1922 - present)
 Junghans, Schramberg (1861 - present)
 Kieninger Clock Company, initially in Mönchweiler, 1921 new factory in Aldingen (1912-present)
 Kieninger & Obergfell Uhrenfabrik (KUNDO trademark), Sankt Georgen (1918 - recent)
 Kienzle Uhren, Schwenningen - Schlenker and Keinzle until c1897 (1883-1996)
 Franz Ketterer
 Lenzkirch Clock Co (Aktiengessellschaft fur Ukrenfabrikation) (1851-1929) factory operated by Junghans 1929-1932
 Mauthe Clock Company (c1870 - 1976)
 Jakob Schlenker Grusen, Schwenningen (JSGUS/ISGUS) (1888 - present)
 Johannes Schlenker, Schwenningen (1822-1883) then Schlenker and Kienzle (1883-1897) then Kienzle
 Sigmund Riefler of the firm Clemens Riefler, Nesselwang and Munich (1890–1965)
 Carl Werner Uhrenfabrik, Villingen (1870-1912) taken over by Kienzle
 Winterhalder & Hofmeier (clocks)

Russian clockmakers
Egor Grigorievich Kuznetzov-Zhepinskiy  (1775–1805); Nijniy Tagil
Ivan Mezgin (1855–1900 (?)); Cherniy Yar, Siberia
Lev Isidorovich Nechaev  (1825–1861); Yaroslavl

Scottish clockmakers
John Paterson Airdrie 
 James Ivory and son (active 1729–1800)

Swedish clockmakers
 Betty Linderoth (1822-1900)
 Hilda Petrini (1838-1895)
 Johann Zehr (1841-1892) ; Arvika

Swiss clockmakers
Gallet & Co. (1466–present); Geneva
Jaeger-LeCoultre (1833–present); Vaud
Zenith (watchmaker) (1863–present); Neuchâtel
 Azura clocks ( 1914 to present) ; Moutier

Ukrainian clockmakers
Johann Kroeger (1804–1823); Rosental
Kroeger & Co (1804–1938); Rosental
Peter Lepp (ca. 1850); Chortitza

References