US Department of Health and Human Services, Administration of Aging
Has information on agencies all across the U.S. that provide services for the elderly. Can provide referrals to help combat things like elder abuse, neglect and exploitation.
AARP (Formerly known as: American Association of Retired Persons)
601 East Street NW
Washington, DC 20049
(888) OUR-AARP / (888) 687-2277 M-F 7am-Midnight EST or www.aarp.org
To find a local AARP Chapter in your town call (800) 424-3410