- Administration on Aging.
- Aging Life Care Association (Formally the National Association of Professional Geriatric Care Managers).
- Alliance for Retired Americans.
- Alzheimer's Association.
- Alzheimer's Disease Education & Referral Center.
- American Association of Retired Persons.
- American Diabetes Association.
- American Federation for Aging Research.
- American Geriatrics Society.
- American Heart Association.
- American Society on Aging.
- Area Agency on Aging.
- Arthritis Foundation.
- Care Guide.
- Gerontological Society of America.
- Geriatric Mental Health Foundation.
- National Academy of Elder Law Attorneys.
- National Area Agencies on Aging.
- National Committee of Preserve Social Security & Medicare.
- National Institute on Aging.
- National Policy & Resource Center on Nutrition & Aging.
- National Senior Citizen's Law Center.
- National Senior Games Association.
- Ohio Department of Aging.
- Ohio Departments of Aging Senior Farmers Market Nutrition Program.
- Senior Citizens' Resources.
- Senior Corps.
- Senior Drivers.
- Senior Service America, Inc.
- SeniorNet.
