Social Security Administration
Social Security Online, the official web site of SSA, includes a page detailing The Social Security Benefits Estimate Program for Personal Computers, for sale from NTIS or available via free ftp download. 

Department of Labor
DOL includes the Pension and Welfare Benefit Administration (PWBA), where you can use the Pension Search Directory. Small business owners should check out Five Step Retirement Solutions for Small Business. 

Army Retirement Services
This Army site provides information on benefits and entitlements to active duty personnel contemplating retirement and continues to support them as retirees through Army installation Retirement Services Officers (RSO). 

Defense Finance and Accounting Service
The DFAS Lane Web site contains information for retirement and annuitant pay for military retirees. 

Consumer Information Catalog
Consumer information about a variety of topics. Choose the Money section for some retirement financial related information. 

Rural Information Center
Part of the National Agricultural Library, the RIC contains a list of resources dealing with retirement in or to rural communities. 

Administration on Aging
Information on aging and government programs sponsored by AOA. 

National Institute on Aging
Government programs and research on aging within NIA.