This is a list of notable pipe organ builders.
Australia
William Anderson (1832–1921) Australian Pipe Organs Pty Ltd Robert Cecil Clifton (1854–1931) William Davidson J. E. Dodd & Sons Gunstar Organ Works Fincham & Hobday Geo. Fincham & Son Alfred Fuller (1845–1923) Hargraves Pipe Organs Pty Ltd William Hill & Son & Norman & Beard Ltd (Australian subsidiary) Peter D. G. Jewkes Pty Ltd Johnson & Kinloch Samuel Joscelyne Carl Krüger (1802–1871) Ernst Ladegast (1853–1937) F. J. Larner & Co. Laurie Pipe Organs C. W. Leggo Daniel Heinrich Lemke (c. 1832–1897) Samuel Marshall Joseph Massey (1854–1943) James Moyle Pierce Pipe Organs Pipe Organs Victoria Pty. Ltd. Pitchford & Garside Roger Pogson Charles Richardson (1847–1926) William Leopold Roberts (died 1971), built "Memorial Organ" (1924–1961) for St Andrew's Church, Brighton Ronald Sharp (1929–2021) Knud Smenge Frederick Taylor Wakeley Pipe Organs Pty Ltd
Austria
Matthäus Abbrederis (1652 – c. 1725) Orgelbau Pieringer Rieger Orgelbau
Belgium
Georges Cloetens (1871–1949) Forceville – Antwerp Johannes Thomas Forceville (1696–1750) Matthijs Langhedul (?–1636) Mortier – Antwerp Jan Lapon – Diksmuide
Canada
Casavant Frères (Joseph Casavant) – Saint-Hyacinthe, Québec
Legge Organ Co. Ltd – Toronto, Ontario
Gabriel Kney – London, Ontario
– Saint-Hyacinthe, Québec
Louis Mitchell – Quebec
Orgues Létourneau – Saint-Hyacinthe, Québec
Laliberté-Payment – Repentigny, Québec
Karl Wilhelm – Mont-Saint-Hilaire, Québec
Hellmuth Wolff, Wolff & Associés – Laval, Québec
R. A. Denton & Son – Hamilton, Ontario
Juget-Sinclair – Montréal, Québec
Cuba
Hermanos Cuayo (Fábricantes de Órganos, Holguin)
Czech Republic
Rieger-Kloss
Czechoslovakia
Rieger-Kloss
Denmark
Poul-Gerhard Andersen (1904–1980) Frobenius Orgelbyggeri Marcussen & Søn
France
Alexandre
Charles S. Barker
Quentin Blumenroeder
Daublaine & Callinet
Aristide Cavaillé-Coll
Joseph Merklin
Charles Mutin
Puget Family
Dom Bédos de Celles (1709–1779) François-Henri Clicquot Robert Clicquot Charles Lefebvre (1670–1737) Clément Lefebvre (1630–1709) Jean-Baptiste Nicolas Lefebvre (1705–1784) Louis-Charles Lefebvre (1708–1754) Koenig Claude Parisot Georges Danion Victor Gonzalez Jean-Loup and Robert Boisseau Bertrand Cattiaux Pascal Quoirin
Germany
Jürgen Ahrend – Leer, Lower Saxony
Michael Becker Orgelbau
Rudolf von Beckerath (1907–1976) Peter Breisiger (1516–1542) Zacharias Hildebrandt (1688–1757) Albertus Antoni Hinsz (1704–1785) Hofbauer – Göttingen Elias Hößler (1663–1746) Stephan Kaschendorf (c. 1425–c. 1499) Emanuel Kemper, Lübeck Orgelbau Klais (Johannes Klais Orgelbau GmbH & Co. KG) – Bonn, North Rhine-Westphalia Friedrich Krebs (?–1493) Friedrich Ladegast (1818–1905) – Weissenfels Orgelbau Mebold, Siegen Johann Josua Mosengel (1663–1731) Arp Schnitger (1648–1719) Schuke family, three generations, two workshops, one in Potsdam (1884), Alexander Schuke Potsdam Orgelbau, one in Berlin (1953), Karl Schuke Berliner Orgelbauwerkstatt Gottfried Silbermann (1683–1753) Christian Gottlob Steinmüller (1792–1864) Georg Christoph Stertzing (c. 1650–1717) Tobias Heinrich Gottfried Trost (c. 1679–1759) Heinrich Traxdorf (built organs in the mid-15th century) Orgelbau Vleugels (Orgelbau Vleugels GmbH) – Hardheim, Baden-Wuerttemberg Walcker Orgelbau (E.F. Walcker Orgelbau) – Ludwigsburg, Baden-Württemberg M. Welte & Sons – Freiburg im Breisgau, Baden-Württemberg Johann Friedrich Wender (1655–1729) – Mühlhausen Glatter-Götz Orgelbau – Pfullendorf Germany Wolkenstayn Orgelbau – Kötz, Germany
Hungary
Aquincum Organbuilder Company
Pécs Organ Manufactory
Ireland
Trevor Crowe
Kenneth Jones and Associates (1979–present) – Kilcoole, County Wicklow
Neiland & Creane Organ Builders (1990–present) – Wexford
Italy
Agati
Antegnati – Brescia
Bossi – Italian firm of organ builders originally from Mendrisio (Canton Ticino) CHICHI Organi – Firenze Consoli Pipe Organs, Locorotondo, Bari, Apulia Lorenzo Musante − Genoa Mascioni - Cuvio (Varese) Organi Pinchi, Trevi, Umbria Giovanni Pradella – Sondrio Fratelli Ruffatti – Padua Tamburini − Crema, Lombardy