Medical Organizations
- Association for the Study of Medical Education (ASME)
- Association for the Treatment of Sexual Abusers (ATSA)
- Association for Voluntary Sterilization (AVS)
- Association Française des Chirurgiens Maxillo-Faciaux; French Association of Maxillofacial Surgeons (AFCMF)
- Association Française pour la Cybernétique Économique et Technique; French Association for Economical and Technical Cybernetics (AFCET)
- Association Française pour l'Etude du Cancer; French Association for the Study of Cancer (Paris) (AFEC)
- Association Internationale de Psychologie Appliquée; International Association of Applied Psychology (AIPA)
- Association Internationale de Psychotechnique; International Association of Psychological Technique (AIP)
- Association Internationale de Sauretage et de Premiers Secours en cas d'Accidents; International Association for Rescue and First Aid in Accidents (AISS)
- Association Internationale des Sociétés de Microbiologie; International Association of Microbiological Societies (AISM)
- Association Internationale de Thalassothérapie; International Association of Thalassotherapy (AITHA)
- Association Internationale pour la Recherche Médicale et les Echanges Culturels; International Association for Medical Research and Cultural Exchanges (AIRMEC)
- Association Nationale des Techniques Biologistes; National Association of Biological Techniques (France) (ATEB)
- Association of Academic Health Centers (AAHC)
- Association of Academic Physiatrists (AAP)
- Association of American Medical Colleges (AAMC)
- Association of American Physicians (AAP)
- Association of American Physicians and Surgeons (AAPS)
- Association of Ayurvedic Professionals of North America (AAPNA)
- Association of Bariatric Endoscopy (ABE)
- Association of British Neurologists (ABN)
- Association of Certified Biblical Counselors (ACBC)
- Association of Certified Interpreters (ACCI)
- Association of Christian Alcohol & Drug Counselors Institute (ACADCI)
- Association of Clinical Research Professionals (ACRP)
- Association of Clinical Scientists (ACS)
- Association of Community Pharmacists Congressional Network (ACPCN)
- Association of Diabetes Care & Education Specialists (ADCES)
- Association of Extremity Nerve Surgeons (AENS)
- Association of Family and Conciliation Courts (AFCC)
- Association of Hospital and Institution Libraries (AHIL)
- Association of Internes and Medical Students (AIMS)
- Association of LGBTQ Psychiatrists (ALP)
- Association of Maternal and Child Health Programs (AMCHP)
- Association of Medical Illustrators (AMI)
- Association of Medical Superintendents of American Institutions for the Insane (AMSAII)
- Association of Military Dental Surgeons (AMOS)
- Association of Military Surgeons of the United States (AMSUS)
- Association of Missouri Mediators (AMM)
- Association of New Jersey Chiropractors (ANJC)
- Association of Nurses in AIDS Care (ANAC)
- Association of Official Agricultural Chemists (AOAC)
- Association of Oncology Social Work (AOSW)
- Association of periOperative Registered Nurses (AORN)
- Association of Physician Assistants in Obstetrics & Gynecology (APAOG)
- Association of Physicians of Pakistani Descent of North America (APPDNA)
- Association of Professional Behavior Analysts (APBA)
- Association of Professional Counsellors & Psychotherapists in Ireland (APCP)
- Association of Rehabilitation Nurses (ARN)
- Association of Schools & Colleges of Optometry (ASCO)
- Association of Science-Technology Centers (ASTEC)
- Association of Social Work Boards (ASWB)
- Association of Special Libraries and Information Bureaux (ASLIB)
- Association of State and Territorial Health Officials (ASTHO)
- Association of Telehealth Service Providers (ATSP)
- Association of Texas Midwives (ATM)
- Association of the British Pharmaceutical Industry (ABPI)
- Association of Virgin Islands Psychologists (AVIP)
- Association of Visually Impaired Chartered Physiotherapists (AVICP)
- Association of Women's Health, Obstetric and Neonatal Nurses (AWHONN)
- Association of Women Surgeons (AWS)
- Association Royale des Sociétés Scientifiques Médicales Belges; Royal Belgian Association of Scientific Medical Societies (ASSMB)
- Associazione Genetica Italiana; Italian Genetics Association (AGI)
- Associazone Italiana per la Ricerca sul Cancro; Italian Association for Cancer Research (AIRC)
- Atomic Energy Research Establishment (AERE)
- Attention Deficit Disorder Association (ADDA)
- Australasian College of Health Informatics (ACHI)
- Australian Academy of Science (AAS)
- Australian Association of Social Workers (ASSW)
- Australian College of Applied Psychology (ACAP)
- Australian Drug Evaluation Committee (ADEC)
- Australian Primary Mental Health Alliance (APMH)
- Australian Psychology Accreditation Council (APAC)
- Autism Society of America (AS)
- Baromedical Nurses Association (BNA)
- Bay Area Lactation Associates (BALA)
- Bay Area Medical Academy (BAMA)
- Bay Area Medical Association (BAMA)
- Behavioral Health Association of Providers (BHAP)
- Behavioral Science Research Laboratory (BESRL)
- Bergen County Dental Society (BCDS)
- Bexar County Medical Society (BCMS)
- Bibb County Medical Society (BCMS)
- Biochemical Society (UK) (BS)
- Biofeedback Certification Institute of America (BCIAC)
- Bioinstrumentation Advisory Council (BIAC)
- Biomedical Information Processing Organization (BIO)
- Biomedical Research Institute (BRI)
- Biophysical Society (BPS)
- Biosecurity Research Institute (BRI)
- Birth Arts International (BAI)
- Birth Control Federation of America (BCFA)
- Board of Behavioral Sciences (BBS)
- Board of Christian Professional and Pastoral Counseling (BCPPC)
- Board of Registered Polysomnographic Technologists (BRPT)
- Board on Science and Technology for International Development (BOSTID)
- Bosnian-Herzegovinian-American Academy of Arts and Sciences (BHAAAS)
- Boston Society for Medical Improvement (BSMI)
- Breast Cancer Association Consortium (BCAC)
- British Academy of Cosmetic Dentistry (BACD)