Formerly known as the Moody's Manuals, Mergent Online provides detailed company information for over 10,000 companies. Data runs back 15 years. Search by company name and then by SIC or NAICS to identify companies within a particular industry, then merge the data into a custom report for that industry.
Videos below courtesy of Ohio University and Rasmussen College.
Digitized annual reports for about 50 New York City-based companies from the 1850s to the early 1960s. Corporations in the collection include department stores, utility companies, banks, and railroads.