• Administration on Aging
• Agency for Health Policy Research
• American Red Cross
• Center for Disease Control and Prevention
• CIGNA Healthcare
• Centers for Medicare and Medicaid Services
• Department of Health and Human Services
• Medicare
• National Association of Insurance Commissioners
• National Institutes of Health
• Social Security Administration

Medical & Dental Associations:

• American Academy of Allergy Asthma & Immunology
• American Academy of Dermatology
• American Academy of Family Physicians
• American Academy of Orthopedic Surgeons
• American Academy of Ophthalmology
• American Cancer Institute
• American Cancer Society
• American Chiropractic Association
• American College of Cardiology
• American College of Chest Physicians
• American College of Emergency Physicians
• American College of Obstetricians and Gynecologists
• American College of Physicians
• American Dental Association Online
• American Diabetes Association
• American Dietetic Association
• American Lung Association
• American National Standards Institute (ANSI)
• American Psychiatric Association
• American Society of Clinical Pathologists
• Arthritis Foundation
• College of AmericanPathologists
• Delta Dental of New Jersey
• ERISA in the US Code
• Global Initiative for Asthma
• Healthcare Consultants
• Journal of Family Practice Online
• Medical Association of Billers
• National Association of Insurance Commissioners
• National Cancer Institute
• National Mental Health Association
• Online Health Network (Mayo Clinic)
• Society of Gynecologic Oncologists
• Women’s Cancer Network

Managed Care:

• American Association of Health Plans
• Academy of Managed Care Pharmacy
• Integrated HealthcareAssociation
• InterStudyPublications

Health Information:

• Cancer Treatment Centers of America
• Children’s Health
• Cedars-Sinai Medical Center
• ERISA in the US Code
• Healthcare Intelligence Network
• Healtheon Information
• Health Industry Business Communication Council (HIBCC)
• Health Information
• Medical Conferences
• National Health Law Program
• NBC Health
• NTIS Health Related Computer Products
• Women’s Midlife Health
• Yahoo Health