| S-Anon | |
| S-Anon - Sex / Love Addiction | |
| S.A.R.A. (Sexual Assault Recovery Anonymous) Society | |
| S.A.R.A. (Sexual Assault Recovery Anonymous) Society - Sexual Abuse / Incest / Rape | |
| S.T.O.P. (Safe Tables Our Priority) | |
| S.T.O.P. (Safe Tables Our Priority) | |
| S.T.O.P. (Safe Tables Our Priority) - Food | |
| S.T.O.P. (Safe Tables Our Priority) - Food Handling / Food Co-Op Helpline | |
SA | |
| SADS Foundation | |
| SADS Foundation - Heart Disease | |
| SAFE (Self-Abuse Finally Ends) Alternative Info Line | |
| SAFE (Self-Abuse Finally Ends) Alternative Info Line - Self-Abuse Hotline | |
| Safe Place for Newborns/Newborn Lifeline Network | |
| Safe Place for Newborns/Newborn Lifeline Network - Pregnancy / Childbirth Helpline | |
| Safe Sitter | |
| Safe Sitter - Youth Helpline | |
| Sans-Uteri | |
| Sans-Uteri - Women's Health | |
| Sarcoid Networking Association | |
| Sarcoid Networking Association - Sarcoidosis | |
| Sarcoidosis | |
SC | |
| Schiz Kidz Buddies | |
| Schizencephaly | |
| Schizophrenia Society of Canada | |
| Schizophrenia Society of Canada - Families of Mentally Ill | |
| Schizophrenics Anonymous |  Top |
| Schizophrenics Anonymous - Mental Health Consumers | |
| SCID Mailing Group | |
| SCID Mailing Group - Immune Deficiency | |
| Scleroderma | |
| Scleroderma Foundation, Inc. | |
| Scleroderma Foundation, Inc. - Scleroderma | |
| Scleroderma Helpline | |
| Scleroderma Research Foundation | |
| Scleroderma Research Foundation | |
| Scleroderma Research Foundation - Scleroderma | |
| Scleroderma Research Foundation - Scleroderma Helpline | |
| Scoliosis | |
| Scoliosis Association, Inc. | |
| Scoliosis Association, Inc. - Scoliosis | |
| SCORE (Service Corps of Retired Executives) | |
| SCORE (Service Corps of Retired Executives) - Business Helpline | |
SD | |
| SDR Parents | |
SE | |
| Second Wind Lung Transplant Association, Inc. | |
| Second Wind Lung Transplant Association, Inc. - Transplant Recipient, Organ | |
| Secret Shame: Self Injury Information and Support | |
| Secret Shame: Self Injury Information and Support - Self-Abuse / Self-Mutilation | |
| Secular Organizations for Sobriety (Save Ourselves) | |
| Secular Organizations for Sobriety (Save Ourselves) | |
| Secular Organizations for Sobriety (Save Ourselves) | |
| Secular Organizations for Sobriety (Save Ourselves) - Addictions | Top |
| Secular Organizations for Sobriety (Save Ourselves) - Alcohol Abuse | |
| Secular Organizations for Sobriety (Save Ourselves) - Drug Abuse | |
| Selective Dorsal Rhizotomy | |
| Selective Mutism | |
| Selective Mutism Foundation, Inc. | |
| Selective Mutism Foundation, Inc. | |
| Selective Mutism Foundation, Inc. | |
| Selective Mutism Foundation, Inc. - Anxiety Attacks / Phobias / Agoraphobia | |
| Selective Mutism Foundation, Inc. - Families of Mentally Ill | |
| Selective Mutism Foundation, Inc. - Selective Mutism | |
| Self Help Nottingham | |
| Self Help Nottingham - Clearinghouse - England | |
| Self Mutilators Anonymous (SMA) | |
| Self Mutilators Anonymous (SMA) - Self-Abuse / Self-Mutilation | |
| Self-Abuse / Self-Mutilation | |
| Self-Abuse Hotline | |
| Self-Help Center | |
| Self-Help Center - Clearinghouse - Illinois | |
| Self-Help Clearinghouses | |
| Self-Help Connection | |
| Self-Help Connection - Clearinghouse - California | |
| Self-Help Information Network Exchange (SHINE) | |
| Self-Help Information Network Exchange (SHINE) - Clearinghouse - Pennsylvania | |
| Self-Help Network Center for Community Support and Research | |
| Self-Help Network Center for Community Support and Research - Clearinghouse - Kansas | Top |
| Self-Help Promoting Program | |
| Self-Help Promoting Program - Clearinghouse - Greece | |
| Self-Help Queensland, Inc. | |
| Self-Help Queensland, Inc. - Clearinghouse - Australia | |
| Self-Help Resource Association of British Columbia | |
| Self-Help Resource Association of British Columbia - Clearinghouse - Canada | |
| Self-Help Resource Center | |
| Self-Help Resource Center - Clearinghouse - Canada | |
| Self-Help Umbrella | |
| Semantic-Pragmatic Disorder | |
| Semantic-Pragmatic Disorder Forum | |
| Semantic-Pragmatic Disorder Forum - Semantic-Pragmatic Disorder | |
| Separation / Divorce | |
| September 11th Trauma Recovery Support | |
| Septo Optic Dysplasia | |
| Septo Optic Dysplasia Division - MAGIC Foundation | |
| Septo Optic Dysplasia Division - MAGIC Foundation - Septo Optic Dysplasia | |
| SESAME(Stop Educator Sexual Abuse, Misconduct and Exploitation | |
| SESAME(Stop Educator Sexual Abuse, Misconduct and Exploitation - Sexual Abuse / Incest / Rape | |
| Sex / Love Addiction | |
| Sex Addicts Anonymous | |
| Sex Addicts Anonymous - Sex / Love Addiction | |
| Sexaholics Anonymous | |
| Sexaholics Anonymous - Sex / Love Addiction | |
| Sexual Abuse / Incest / Rape | Top |
| Sexual Compulsives Anonymous | |
| Sexual Compulsives Anonymous - Sex / Love Addiction | |
| Sexual Orientation / Gay and Lesbian | |
| Sexual Recovery Anonymous | |
| Sexual Recovery Anonymous - Sex / Love Addiction | |
| Sexually Transmitted Disease Helpline | |
| Sexworkers Anonymous | |
| Sexworkers Anonymous - Prostitution / Sex Industry | |
SH | |
| Shaken Baby Alliance | |
| Shaken Baby Alliance - Child Abuse (Physical / Emotional) | |
| Share and Care Cockayne Syndrome Network | |
| Share and Care Cockayne Syndrome Network - Cockayne Syndrome | |
| SHARE! (Self-Help And Recovery Exchange, The) | |
| SHARE! (Self-Help And Recovery Exchange, The) - Clearinghouse - California | |
| SHARE: Pregnancy and Infant Loss Support, Inc. | |
| SHARE: Pregnancy and Infant Loss Support, Inc. - Death of a Child / Fetal Loss | |
| SHARE: Self-Help for Women with Breast or Ovarian Cancer | |
| SHARE: Self-Help for Women with Breast or Ovarian Cancer | |
| SHARE: Self-Help for Women with Breast or Ovarian Cancer - Breast Cancer | |
| SHARE: Self-Help for Women with Breast or Ovarian Cancer - Cancer | |
| Shopping Addicts Support | |
| Shopping Addicts Support - Debt / Overspending | |
| Short / Tall | |
| Shriner's Hospital | |
| Shriner's Hospital - Hospital Helpline | Top |
| Shwachman Diamond Syndrome Foundation | |
| Shwachman Diamond Syndrome Foundation - Shwachman-Diamond Syndrome | |
| Shwachman-Diamond Syndrome | |
SI | |
| Sibling Support Project | |
| Sibling Support Project | |
| Sibling Support Project | |
| Sibling Support Project - Disabilities (General) / Spinal Cord Injury | |
| Sibling Support Project - Families of Mentally Ill | |
| Sibling Support Project - Parents of Disabled / Ill Children | |
| Sickle Cell Disease | |
| Sickle Cell Disease Association of America, Inc. | |
| Sickle Cell Disease Association of America, Inc. - Sickle Cell Disease | |
| Sidelines High Risk Pregnancy Support | |
| Sidelines High Risk Pregnancy Support - Parents of Premature / High Risk Infants | |
| Simon Foundation for Continence | |
| Simon Foundation for Continence - Incontinence | |
| Single Mothers By Choice | |
| Single Mothers By Choice - Single Parenting | |
| Single Parent Resource Center | |
| Single Parent Resource Center - Single Parenting | |
| Single Parenting | |
| Sisters Network, Inc. | |
| Sisters Network, Inc. - Breast Cancer | |
SJ | |
| Sjogren's Syndrome | |
| Sjogren's Syndrome Foundation, Inc. | Top |
| Sjogren's Syndrome Foundation, Inc. - Sjogren's Syndrome | |
| Sjogren's World | |
| Sjogren's World - Sjogren's Syndrome | |
SK | |
| Skin Cancer Foundation | |
| Skin Cancer Foundation - Cancer Helpline | |
SM | |
| SMART Recovery (r) | |
| SMART Recovery (r) | |
| SMART Recovery (r) - Alcohol Abuse | |
| SMART Recovery (r) - Drug Abuse | |
| SMART Recovery Self-Help Network (Self-Management And Recovery Training) | |
| SMART Recovery Self-Help Network (Self-Management And Recovery Training) - Addictions | |
| SMDI (Society for Muscular Dystrophy International) | |
| SMDI (Society for Muscular Dystrophy International) - Muscular Dystrophy | |
| Smith-Lemli-Opitz | |
| Smith-Lemli-Opitz/RSH Foundation | |
| Smith-Lemli-Opitz/RSH Foundation - Smith-Lemli-Opitz | |
| Smith-Magenis Syndrome | |
| Smoking | |
SN | |
| SNAP (Survivors Network of those Abused by Priests) | |
| SNAP (Survivors Network of those Abused by Priests) - Sexual Abuse / Incest / Rape | |
SO | |
| Social Phobics Anonymous | |
| Social Phobics Anonymous - Anxiety Attacks / Phobias / Agoraphobia | |
| Social Security | |
| Social Security - Social Security Helpline | |
| Social Security Helpline | Top |
| Social Workers Helping Social Workers | |
| Social Workers Helping Social Workers | |
| Social Workers Helping Social Workers | |
| Social Workers Helping Social Workers - Addictions | |
| Social Workers Helping Social Workers - Alcohol Abuse | |
| Social Workers Helping Social Workers - Drug Abuse | |
| Society for Mitral Valve Prolapse Syndrome | |
| Society for Mitral Valve Prolapse Syndrome - Heart Disease | |
| Society for the Second Self (Tri-Ess International) | |
| Society for the Second Self (Tri-Ess International) - Sexual Orientation / Gay and Lesbian | |
| Society of Military Widows | |
| Society of Military Widows | |
| Society of Military Widows - Veterans / Military | |
| Society of Military Widows - Widows / Widowers | |
| SOFT (Support Organization For Trisomy) | |
| SOFT (Support Organization For Trisomy) - Trisomy | |
| Sotos Syndrome | |
| Sotos Syndrome Support Association | |
| Sotos Syndrome Support Association - Sotos Syndrome | |
| SOWN (Supportive Older Women's Network) | |
| SOWN (Supportive Older Women's Network) - Women's Issues | |
SP | |
| Spasmodic Dysphonia | |
| Spasmodic Dysphonia Support Group of New York | |
| Spasmodic Dysphonia Support Group of New York - Spasmodic Dysphonia | |
| Spasmodic Torticollis | Top |
| Spastic Paraparesis / Familial Spastic Paraplegia | |
| Spastic Paraplegia Foundation, Inc. | |
| Spastic Paraplegia Foundation, Inc. | |
| Spastic Paraplegia Foundation, Inc. - Primary Lateral Sclerosis | |
| Spastic Paraplegia Foundation, Inc. - Spastic Paraparesis / Familial Spastic Paraplegia | |
| Speak Easy International Foundation, Inc. | |
| Speak Easy International Foundation, Inc. - Speech / Stuttering | |
| Speaking For Ourselves | |
| Speaking For Ourselves - Mental Retardation / Down Syndrome | |
| Special Needs Advocate for Parents (SNAP) | |
| Special Needs Advocate for Parents (SNAP) - Disability Helpline | |
| Speech / Stuttering | |
| Spenders Anonymous | |
| Spenders Anonymous - Debt / Overspending | |
| Spina Bifida | |
| Spina Bifida Association of America | |
| Spina Bifida Association of America - Spina Bifida | |
| Spinal Cord Injury Helpline | |
| Spinal Muscular Atrophy | |
| Spondylitis Association of America | |
| Spondylitis Association of America - Ankylosing Spondylitis | |
| Spouse Abuse / Domestic Violence | |
| Spouses of Brain Tumor Patients | |
| Spouses of Brain Tumor Patients - Brain Injury / Brain Tumor / Coma | |
ST | |
| St. Louis Self-Help Clearinghouse | Top |
| St. Louis Self-Help Clearinghouse - Clearinghouse - Missouri | |
| Starlight Children's Foundation | |
| Starlight Children's Foundation - Wish Granting for Ill Children Helpline | |
| Stars of David, Inc. | |
| Stars of David, Inc. - Adoption | |
| STARS-US (Syncope Trust And Reflex Anoxic Seizures) | |
| STARS-US (Syncope Trust And Reflex Anoxic Seizures) - Reflex Anoxic Seizure Disorder | |
| Stay At Home Moms University (SAHMU) | |
| Stay At Home Moms University (SAHMU) - Parenting / Grandparenting | |
| Stepparenting | |
| StepTogether | |
| StepTogether - Stepparenting | |
| Stevens Johnson Syndrome | |
| Stevens Johnson Syndrome Foundation | |
| Stevens Johnson Syndrome Foundation - Stevens Johnson Syndrome | |
| STIALISH Self-help Clearinghouse | |
| STIALISH Self-help Clearinghouse - Clearinghouse - Japan | |
| Stickler Involved People | |
| Stickler Involved People - Stickler Syndrome | |
| Stickler Syndrome | |
| Stiftung KOSCH | |
| Stiftung KOSCH - Clearinghouse - Switzerland | |
| Stigma, Inc. | |
| Stigma, Inc. - Sexual Abuse / Incest / Rape | |
| Straight Spouse Network (SSN) | Top |
| Straight Spouse Network (SSN) - Sexual Orientation / Gay and Lesbian | |
| Strep, Group B | |
| Stroke | |
| Stroke Clubs International | |
| Stroke Clubs International - Stroke | |
| Students Against Destructive Decisions (SADD) | |
| Students Against Destructive Decisions (SADD) - Youth / Students | |
| Sturge-Weber | |
| Stuttering Foundation of America | |
| Stuttering Foundation of America - Stuttering Helpline | |
| Stuttering Helpline | |
SU | |
| Su Familia | |
| Sudden Infant Death Helpline | |
| Suicide Anonymous | |
| Suicide Anonymous - Suicide Survivors | |
| Suicide Prevention Helpline | |
| Suicide Prevention Helpline - Suicide Prevention Helpline | |
| Suicide Survivors | |
| Support for Families with Weaver Syndrome | |
| Support for People with Oral and Head and Neck Cancer (SPOHNC) | |
| Support for People with Oral and Head and Neck Cancer (SPOHNC) - Cancer | |
| Support4militarywives | |
| Support4militarywives - Veterans / Military | |
| SupportWorks | |
| SupportWorks - Clearinghouse - North Carolina | Top |
| Surgery Helpline | |
| Survivors of Incest Anonymous | |
| Survivors of Incest Anonymous - Sexual Abuse / Incest / Rape | |
| Susan G. Komen Breast Cancer Foundation | |
| Susan G. Komen Breast Cancer Foundation - Cancer Helpline | |
SV | |
| SVT (Supra Ventricular Tachycardia) Support | |
| SVT (Supra Ventricular Tachycardia) Support - Heart Disease | |
SY | |
| Syndromes Without A Name (SWAN) USA | |
| Syndromes Without A Name (SWAN) USA - Undiagnosed Illness | |
| Syringomyelia | |
