Medical Organizations
- Student National Medical Association (SNMA)
- Student Osteopathic Medical Association (SOMA)
- Substance Abuse and Mental Health Services Administration (SAMHSA)
- Suffolk County Medical Society (SCMS)
- Swedish Society of Radiology (SSR)
- Syrian American Medical Society (SAMS)
- Tarrant County Medical Society (TCMS)
- Teletherapist Network (TN)
- Tennessee Licensed Professional Counselors Association (TLPCA)
- Tennessee Medical Association (TMA)
- Tennessee Nurses Association (TNA)
- Texas Academy of Audiology (TAA)
- Texas Academy of Family Physicians (TAFP)
- Texas Academy of Nutrition and Dietetics (TAND)
- Texas Academy of Pediatric Dentistry (TAPD)
- Texas Academy of Physician Assistants (TAPA)
- Texas Association for Marriage and Family Therapy (TAMFT)
- Texas Breastfeeding Coalition (TBC)
- Texas Counseling Association (TCA)
- Texas Dental Association (TDA)
- Texas Dermatological Society (TDS)
- Texas Hearing Aid Association (THAA)
- Texas Medical Association (TMA)
- Texas Neurological Society (TNS)
- Texas Nurse Practitioners (TNP)
- Texas Nurses Association (TNA)
- Texas Ophthalmological Association (TOA)
- Texas Optometric Association (TOA)
- Texas Organization of Residential Care Homes (TORCH)
- Texas Osteopathic Medical Association (TOMA)
- Texas Perinatal Association (TPA)
- Texas Physical Therapy Association (TPTA)
- Texas Podiatric Medical Association (TPMA)
- Texas Psychological Association (TPA)
- Texas Radiological Society (TRS)
- Texas Radiology Associates (TRA)
- Texas Society of Oral and Maxillofacial Surgeons (TSOMS)
- Texas Society of Plastic Surgeons (TSPS)
- Texas Surgical Society (TSS)
- The Alliance For Eating Disorders Awareness (AFEDA)
- The American Institute of Balance (AIB)
- The American Society of Breast Surgeons (ASBrS)
- The Association of Black Psychologists (ABPsi)
- The Children's Heart Foundation (CHF)
- The Federal Association of Christian Counselors & Therapists, Inc. (FACCT)
- The Florida Society of Hearing Healthcare Professionals (FSHHP)
- The Hinman Dental Society of Atlanta (HDS)
- The International Association Of Eating Disorders Professionals (iaedp)
- The International Association of Employee Assistance Professionals in Education (IAEAPE)
- The International Network of Orthodox Mental Health Professionals (NEFESH)
- The National Board of Physician Nutrition Specialists (NBPNS)
- The National Child Traumatic Stress Network (NCTSN)
- The Neurodiagnostic Society (ASET)
- The New Jersey Society for Clinical Social Work (NJSCSW)
- The New Jersey Society of Physical Medicine and Rehabilitation (NJSPMR)
- The New York Pain Society (NYPS)
- The Obesity Society (TOS)
- Therapist Neurodiversity Collective (TNC)
- The Royal Australian and New Zealand College of Radiologists (TRANZ-CR)
- The Society For Pain Practice Management (SPPM)
- The Touch for Health Kinesiology Association (TFHKA)
- The Washington School of Psychiatry (WSP)
- Tissue Engineering and Regenerative Medicine International Society (TERMIS)
- Transgender Professional Association for Transgender Health (TPATH)
- Travis County Medical Society (TCMS)
- Undersea and Hyperbaric Medical Society (UHMS)
- Unio Internationalis Contra Cancrum; International Union Against Cancer (UICC)
- Union der Schweizerischen Gesellschaften fur Experimentelle Biologie; Union of Swiss Societies for Experimental Biology (USGEB)
- Union des Foires Internationales; Union of International Fairs (UFJ)
- Union des Societes Suisses de Biologie Experimentales; Union of Swiss Societies for Experimental Biology (USSBE)
- Union Europeenne de Medecine Sociale; European Union of Social Medicine (UEMS)
- Union Européenne des Médecins Omnipraticiens; European Union of General Practitioners (UEMO)
- Union Europeenne des Medecins Specialistes; European Union of Medical Specialists (UEMS)
- Union Internationale contre la Tuberculose; International Union Against Tuberculosis (UICT)
- Union Internationale de Chimie Pure et Appliquee; International Union of Pure and Applied Chemistry (UICPA)
- Union Internationale de la Presse Medicale; International Union of the Medical Press (UIPM)
- Union Internationale de Medecine Thermale et de Climatothalassotherapie; International Union of Thermotherapy, Climatotherapy and Thalassotherapy (UIMTCT)
- Union Internationale de Physique Pure et Appliquee; International Union of Pure and Applied Physics (UIPPA)
- Union Internationale de Service Medicale de Chemin de Fer; International Union of Medical Services of Railways (UIMC)
- Union Internationale des Sciences Biologiques; International Union of Biological Sciences (UISB)
- Union Internationale des Sciences de la Nutrition; International Union of Nutritional Sciences (UISN)
- Union Internationale des Telecommunications; International Union of Telecommunication (UIT)
- Union Medicale de la Mediterranee Latine; Medical Union of Latin Mediterranean Countries (UMML)
- Union Mondiale des Ecrivains Medecins; World Union of Medical Writers (UMEM)
- Union of European Pedo-psychiatrists (UEPP)
- Union of European Phoniatrists (UEP)
- Union of International Associations (UIA)
- Union Pharmaceutique Inter-Africaine; Inter-african Pharmaceutical Union (UPIA)
- Union pour la Medicine Europeenne Liberale; Organization for Liberal Practice of Medicine in Europe (UMEL)
- Union Professionelle Internationale des Gynecologues et Obstetriciens; International Professional Union of Gynecologists and Obstetricians (UPIGO)
- United Nations Commission on Conventional Armaments (UNCCA)
- United States Agency for International Development (USAID)
- United States Air Force (USAF)
- United States and Canadian Academy of Pathology (USCAP)
- United States Army Hospital (USAH)
- United States Army Medical Service (USAMEDS)
- United States Association for Body Psychotherapy (USABP)
- United States Breastfeeding Committee (USBC)
- United States Coast Guard (USCG)
- United States Lactation Consultant Association (USLCA)