• AAOS On-Line Service American Academy of Orthopaedic Surgeons. Public information area includes material about arthritis, osteoporosis.

• Abbeyfield New Zealand Society Not for profit, volunteer-based organization providing affordable family-style accommodation for lonely older people.

• Abbeyfield Society Australia Provides independent living space for older people.

• Age Concern Waltham Forest Non-profit organisation which provides a range of services and activities for older people. England.

• Aging Research Centre Recent aging related articles on the biological implications of aging.

• Aging Research Centre (ARC) Dedicated to providing a service that allows researchers in this field to find information that is related to the study of the aging process.

• AgingStats.Gov Home of the Federal Interagency Forum on Aging-Related Statistics.

• American Health Assistance Foundation Funding research on age-related and degenerative diseases, educating the public about these diseases.

• Avoiding Slips, Trips and Broken Hips Supports the ongoing UK Department of Trade and Industry campaign on falls prevention aimed at older people in the home.

• California Association of Health Facilities List of licensed long term care facilities in California; all nursing homes are listed by county and city.

• CMRI- Medicare Information Information on Medicare for beneficiaries, their families and providers.

• Foundation for Infinite Survival, Inc. Comprehensive approach to long-range health; cancer research reports, philosophy, infinite survival.

• Health Advocates for Older People Nonprofit organization promoting better housing, health care and improved quality of life for senior citizens.

• Helpguide Information and resources for mental and emotional problems, substance abuse, Alzheimer's and dementia, caring for the elderly, and healthy aging.

• InfoAging.org Provides research-based information on a wide range of age-related diseases, conditions, issues, features, and news.

• Latino Gerontological Center A private, non-profit organization, devoted to improve the quality of life of Hispanic seniors and their communities.

• Lifesphere Retirement Communities A not-for-profit family of services that offers exceptional retirement community living, home-delivered services, senior centers, a radio station, consulting services in Ohio.

• Medicare Rights Center A not-for-profit organization that is the source for Medicare consumers and Medicare professionals.

• Mental Health and Aging This site will assist older adults and their families in obtaining appropriate mental health and aging services, and teach them how to advocate to get their needs met.

• National Association on HIV Over Fifty Working to promote a range of prevention, service, and health care programs for persons over fifty who are affected by HIV.