■ Association for Accreditation of Human Research Protection Programs 
■ Association for Ambulatory Behavioral Healthcare  
■ Association for Benchmarking Health Care
■ Association for Clinicians for the Underserved 
■ Association for Electronic Health Care Transactions 
■ Association for Health Center Affiliated Health Plans 
■ Association for Healthcare Philanthropy 
■ Association for Hispanic Healthcare Executives 
■ Association of Organ Procurement Organizations
■ Association of Professional Chaplains
■ Canadian Healthcare Association 
■ Case Management Society of America 
■ Catholic Health Association of the United States 
■ Center for Studying Health System Change 
■ Center on Budget and Policy Priorities  
■ Clinical Laboratory Management Association 
■ Coalition for Affordable Quality Healthcare 
■ Coalition for Affordable and Reliable Health Care 
■ Coalition for Healthcare e-Standards 

■ Emergency Department Practice Management Association 
■ Emergency Nurses Association  
■ Employee Benefit Research Institute 
■ Employers' Managed Health Care Association 
■ European Healthcare Management Association 
■ Eye Bank Association of America 

■ Healthcare Billing and Management Association 
■ HealthCare Chaplaincy  
■ Health Care Compliance Association 
■ Health Insurance Association of America 
■ Healthcare Leadership Council 

■ Institute of Certified Healthcare Business Consultants 
■ Insurance Information Institute 
■ Integrated Healthcare Association
■ International Association for Healthcare Security & Safety 
■ International Association for Medical Assistance to Travellers 
■ International Association of Healthcare Central Service Materiel Management

■ Medical Device Manufacturers Association 
■ Medical Fitness Association 
■ Medical Group Management Association 
■ Medical Library Association 
■ Medical Outcomes Trust 
■ Medical Records Institute 
■ Medical Transcription Industry Alliance 
■ National Assembly on School-Based Health Care 
■ National Association Medical Staff Services 
■ National Association of Children's Hospitals and Related Institutions 
■ National Association of County and City Health Officials 
■ National Association of Dental Plans 
■ National Association of Directors of Nursing Administration in Long Term Care 
■ National Association of Health Consultants 
■ National Association of Health Data Organizations 
■ National Association of Health Services Executives 
■ National Association of Health Underwriters 
■ National Association of Health Unit Coordinators 
■ National Association of Healthcare Access Management 
■ National Association of Healthcare Transport Management
■ National Association of Hospital Hospitality Houses 
■ National Association of Insurance Commissioners
■ National Association of Local Boards of Health 
■ National Association of Long Term Care Hospitals
■ National Association of Managed Care Regulators 
■ National Association of Medical Staff Services 
■ National Association of Physician Recruiters 
■ National Association of Professional Geriatric Care Managers
■ National Association of Psychiatric Health Systems  
■ National Association of Public Hospitals  
■ National Association of Rural Health Clinics 
■ National Association of Social Workers  
■ National Association of State Medicaid Directors 
■ National Association of State Mental Health Program Directors 
■ National Association of Urban Hospitals 
■ National Board of Medical Examiners 
■ National Business Coalition on Health 
■ National Center for Assisted Living
■ National Coalition on Health Care 

■ Paraprofessional Healthcare Institute
■ Partnership for Patient Safety
■ Patient Safety Institute
■ People's Medical Society
■ Pharmaceutical Care Management Association
■ Pharmaceutical Research and Manufacturers Association

■ Society for Social Work Leadership in Health Care 
■ Society for the Internet in Medicine 
■ Society of Chest Pain Centers and Providers 
■ Society of Hospital Medicine 
■ Society of Medical-Dental Management Consultants

■ Visiting Nurse Association of America

■ World Health Organization