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, Co 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 The Netherlands Bätz, Utrecht (1709–1770) De Gebroeders Adema, Hillegom Duyschot, Holland Flentrop, Zaandam Hendrik Niehoff (1495–1561) J. L. van den Heuvel Orgelbouw, Dordrecht Rodensteen family (also given as Raphaëlis, Rottstein, and Rottenstein-Pock), 15th century Dutch family of organ builders Pels & van Leeuwen, Rosmalen Reil, Heerde Van Dam, Leeuwarden Van Deventer, Gendt Van Vulpen, Utrecht Witte, Utrecht New Zealand South Island Organ Company Poland Cepka Marek Drozdowicz Jan Jakubowski Mirosław Kamińscy Mollin Zdzisław Nawrot Marian Olejnik Adam Śliwiński Jan (finished) Truszczyński Włodzimierz (finished) Zych – Zakłady Organowe (the biggest Polish organbuilder) Portugal António Xavier Machado e Cerveira Slovenia Skrabl (Škrabl) – Home Orglarstvo Mocnik (Močnik) – Orglarstvo Močnik South Africa R Muller – Potchestroom van Schalkwyk Organ Builders - Cape Town & Surrounding areas SAOB (South African Organ Builders / Suid Afrikaanse Orrel Bouers) – Pretoria (Now Defunct) Cooper Gill & Tomkins – Cape Town Pekelharing Organ Building – Port Elizabeth Protea Orrelbouers – Brandfort Jan Zielman Orrelbouers – Pretoria Pyporrels (Werner Hurter) – Pretoria Spain Blancafort, OM. Gerhard Grenzing Lope Alberdi Ricalde (1869–1948) Federico Acitores, Acitores Organería y Arte S.L. Jordi Bosch Switzerland Orgelbau Thomas Wälti – Gümligen Orgelbau Kuhn AG – Männedorf Metzler Orgelbau – Dietikon Mathis Orgelbau – Näfels Orgelbau Goll – Luzern Späth Orgelbau – Rüti, Zürich Orgelbau Graf – Oberkirch Orgelbau Roman Steiner – Fehren Orgelbau Felsberg – Felsberg Manufacture d'Orgues Füglister – Grimisuat Erni Orgelbau – Stans Peter Meier Orgelbau – Rheinfelden Lifart Orgelbau AG – Emmen Flayer Manufacture d'Orgues – Ursy Arno Caluori Orgelbau – Seewis Armin Hauser Orgelbau – Kleindöttingen Orgelbau Stemmer – Zumikon Manufacture d'orgues St. Martin S.A.