Academy of Interdisciplinary Dentofacial Therapy (IDT)
American Association of Orthodontists (AAO)
American Board of Orthodontics (ABO)
American Lingual Orthodontics Association (ALOA)
American Orthodontic Society (AOS)
Asian-Pacific Orthodontic Society (APOS)
Australian Orthodontic Institute (AOI) - Australia (AU)
Australian Society of Orthodontists (ASO) - Australia (AU)
Association of Orthodontists - Singapore - Singapore (SG)
Association of Philippine Orthodontists (APO) - Philippines (PH)
British Lingual Orthodontic Society (BLOS) - United Kingdom (UK)
British Orthodontic Society (BOS) - United Kingdom (UK)
Canadian Association of Orthodontists (CAO)
Charles H. Tweed International Foundation - Orthodontics
College of Diplomates of the American Board of Orthodontists (CDABO)
Egyptian Orthodontic Society (EOS) - Egypt (EG)
European Federation of Orthodontic Specialists Associations (EFOSA)
European Federation of Orthodontics (FEO)
European Orthodontic Society (EOS)
European Society for Lingual Orthodontics (ESLO)
Greek Orthodontic Society - Greece (GR)
Israel Orthodontic Society (IOS) - Israel (IL)
New Zealand Association of Orthodontists (NZAO) - New Zealand (NZ)
Orthodontic National Group, The - specialist group for dental nurses in the United Kingdom and Eire.
Orthodontic Society of Ireland (OSI) - Ireland (IE)
South African Society of Orthodontists (SASO) - South Africa (ZA)
World Federation of Orthodontists (WFO)
Association of Orthodontists - Singapore - Singapore (SG)
Association of Philippine Orthodontists (APO) - Philippines (PH)
British Lingual Orthodontic Society (BLOS) - United Kingdom (UK)
British Orthodontic Society (BOS) - United Kingdom (UK)
Canadian Association of Orthodontists (CAO)
Charles H. Tweed International Foundation - Orthodontics
College of Diplomates of the American Board of Orthodontists (CDABO)
Egyptian Orthodontic Society (EOS) - Egypt (EG)
European Federation of Orthodontic Specialists Associations (EFOSA)
European Federation of Orthodontics (FEO)
European Orthodontic Society (EOS)
European Society for Lingual Orthodontics (ESLO)
Greek Orthodontic Society - Greece (GR)
Israel Orthodontic Society (IOS) - Israel (IL)
New Zealand Association of Orthodontists (NZAO) - New Zealand (NZ)
Orthodontic National Group, The - specialist group for dental nurses in the United Kingdom and Eire.
Orthodontic Society of Ireland (OSI) - Ireland (IE)
South African Society of Orthodontists (SASO) - South Africa (ZA)