ANNUALREPORTS.COM is a leading provider of online annual reports to individual and institutional investors. The free service allows users to review an annual reports. Coverage is very comprehensive and up-to-date.
PRARS (Public Register's Annual Report Service) is America's largest annual report service. Company financials, including annual reports, prospectuses or 10K's on over 3,200 public companies, are available without charge to the investing public.
Public Company Reseach from Business Reference Services, Library of Congress provides access to many resources including historical annual reports in various formats.
The Library has electronic access to annual reports from 1908 to present and 10K reports going back to 1980s. Check specific database for coverage.
The following databases contain corporate annual reports and other SEC filings.