Corporate Reports Online
Online. Selection of U.S. company annual reports from 1800 to 1955. Sample report: Baltimore and Ohio Railroad 1834 (pdf).
International Directory of Company Histories
Print. Volumes 1 to 53 (2003)
Subscription Database, company history provided by searching for company names and company profiles.
Q-File
Microfiche collection of public company annual reports and SEC filings. Coverage is from 1978 - 1997. Use accompanying SEC File Index.
Subscription database, search by company name or ticker symbol, best for public but some private company information is included.