United Kingdom

• British Horological Institute Society for professional and amateur clock and watch repairers, Newark, Notts
• Antiquarian Horological Society Organisation for horological collectors
• Wales & Marches Horological Society Club for the exchange of ideas on horology
• British Sundial Society Association to advance the education of the public on the art and science of gnomonics
• The British Watch & Clock Makers Guild Working for the professional horologist, Romford, Essex
• The Dorset Clock Society To further the study of clocks by Dorset makers or by like-minded people residing in Dorset or neighbouring counties, Dorchester, Dorset
• Leicester Antique Clock Society People interested in antique clocks, their history, styles, maintenance and repair, Leicester
• St Albans Clock Club For anyone interested in antique or modern clocks, St Albans, Hertfordshire
• Epping Forest Horology Club Horology club with a workshop and instruction in clock making and repair, Essex
• Chilterns Clock Club For anyone interested in hands on cleaning, repairing or restoring various sorts of clock, High Wycombe, Bucks.

France

• l'ANCAHA Association Nationale des Collectionneurs et Amateurs d'Horlogerie Ancienne et d'Art
• AFAHA Association Francais des Amateurs d'Horlogerie Ancienne

Germany

• Watchparts Organisation to promote German manufacturers of watch parts, Pforzheim
• Deutsche Gesellschaft für Chronometrie eV German timekeepers society, Nürnberg
• Black Forest Clock Association Black Forest and cuckoo clocks, Schonach

Italy

• HORA Associazione Italiana Cultori di Orologeria Antica, Italy

Netherlands

• De Klokkenmaker de club voor hobby klokkenmakers, Eindhoven
• De Rikketik society for collectors of mechanical timepieces, Nijmegen
• Federatie Klokkenvrienden (NL) Federation of friends of clocks, Amstelveen

Switzerland

• Chronometrophilia Swiss Association for the History of Time Measurement, La Chaux-de-Fonds
• Société Suisse de Chronometrie Neuchâtel
• Federation of the Swiss Watch Industry Bienne
• Convention Patronale de l'Industrie Horlogère suisse La Chaux-de-Fonds

United States

• National Association of Watch & Clock Collectors Association for clock and watch collectors
• American Watchmakers-Clockmakers Institute Organisation for professional and amateur clock and watch repairers
• NAWCC British Horology Chapter Chapter of National Association of Watch & Clock Collectors devoted to British Horology
• North American Sundial Society Association of people interested in the study, development, history and preservation of sundials
• Save America's Clocks A not-for-profit organisation dedicated to locating, inventorying and assisting in the preservation and maintenance of all America's public clocks
• Massachusetts Watchmakers/Clockmakers Association Inc Stoneham, Massachusetts
• The Musical Box Society International Springfield, Missouri
• The National Horological Institute Cloudcroft, New Mexico
• NAWCC Chapter 149 Early American Watch Club A forum to discuss early American watches and the companies and individuals who made them

Asia

• Singapore Clock & Trade Association Seah Street, Singapore

Australia and New Zealand

• Australian Antiquarian Horological Society Inc Society for all with a serious interest in clocks and watches, Australia
• Watch & Clockmakers of Australia Professional Association of watchmakers and clockmakers of Australia
• Jewellers & Watchmakers of New Zealand Professional horological association, Christchurch, New Zealand
• NAWCC First Australian Chapter No 72 Inc Non-profit organisation to promote science of horology, Sydney, Australia
• NAWCC Australian Chapter 104 Clock and watch club, Brisbane, Queensland, Australia