Contact details Switzerland
- AFDT Association des fabricants de décolletages et de taillages
- APIAH - Association patronale des industries de l'Arc-horloger
- AQC - Association for Quality Control of Leather Bracelets Manufacturers
- ASHB Association Suisse des magasins spécialisés en Horlogerie et Bijouterie
- ATIO - Associazione Ticinese Industria Orologiera
- Centredoc - Swiss Center For Data Analysis
- Chronometrophilia
- COSC - Contrôle officiel suisse des chronomètres
- CP Convention Patronale de l'industrie horlogère suisse
- economiesuisse - The Swiss Business Federation
- Fondation de la Haute Horlogerie
- Fleurier Quality Foundation
- FSRM Swiss Foundation for Research in Microtechnology
- Infosuisse - Information horlogère et industrielle
- Musée d'horlogerie du Locle (Château des Monts)
- Musée International d'Horlogerie
- oriGIn - Organization for an International Geographical Indications Network
- SSC Swiss Chronometry Society
- Switzerland Global Enterprise
- TIMELAB - Foundation of the Geneva Laboratory of Horology and Microengineering
- VdU Verband deutschschweizerischer Uhrenfabrikanten
- WAG - Watches Art Gallery
- WOSTEP - Watchmakers of Switzerland Training and Educational Program
Other countries
- AWI American Watchmakers-Clockmakers Institute (United States)
- BHI British Horological Institute (Great Britain)
- Deutsche Gesellschaft fuer Chronometrie e.V. (Germany)
- Fédération de l'Horlogerie (France)
- JA Jewelers of America (United States)
- Japan Watch Importers' Association (Japan)
- Jewellers & Watchmakers of New Zealand Inc. (New Zealand)
- National Association of Watch & Clock Collectors (United States)