Europe

• Sherlock Holmes Klubben - The Danish BSI
• The Swedish Pathological Society
• SherlockHolmes.se
- the biggest Swedish SH site.
• Sherlock Holmes Society of London - publishers of Sherlock Holmes Journal
• The Poor Folk upon the Moor (England)
• 221B -- Deutscher Sherlock Holmes Club
• Von Herder Airguns Ltd.
• SSHF - Société Sherlock Holmes de France
• Les Evadés de Dartmoor
• Cercle litteraire de l'Escarboucle Bleue (France)
• The Florentine Holmes

Asia and Australia

• The Sydney Passengers
• Sherlock Holmes Society of Western Australia
• The common Loafers (Malaysia)
• The Shoso-in Bulletin, based in Japan

USA

• The Arthur Conan Doyle Society.
• San Francisco Bay Area
• The Sherlock Holmes Society of Austin, Texas
• Nashville Scholars of The Three Pipe Problems of Nashville host for the Welcome Holmes mailing list
• The Diogenes Club
• The Blustering Gales from the South-West
• White Rose Irregulars (York, Pennsylvania)
• The Capers (Cape May, New Jersey)
• The Wandering Gypsies (Decatur, Alabama)
• The Head Llamas
• The Diogenes Club of Dallas
• The Ribston~Pippins
• The Mini-Tonga Scion Society