MarketLine (formerly Datamonitor 360) provides over 12,000 profiles of public companies from around the world. These profiles are based on published research as well as primary and secondary data sources. (Rutgers-restricted Access)
Mergent Online, the electronic version (Rutgers-restricted Access) of the Mergent/Moody's Manuals (DANA REF Index Table I, CARR Business Counter 2) has much information on public firms around the world, with historical background, up to 25 years of financials, details on debt and capital structure, and Mergent's own equity research. Mergent Horizon, now integrated into Mergent Online, provides a 360 degree view of a company's competitors, suppliers, partners, and corporate customers, using a detailed hierarchical classification system for actual products and services. Mergent Horizon covers over 6,000 actively traded public companies in the United States, and includes reports on insider and institutional owners. (Rutgers-restricted Access)
ReferenceUSA has basic company directory information with over 7 million companies in the U.S. and Canada, mostly private. Good for job hunting, by geography, company size or industry and for finding suppliers and competitors. (Rutgers-restricted Access)
Business Source Premier can be searched for company trends, products, strategies, history and other aspects. One can limit the search result to articles focused on a specific company by selecting the Company Entity field from the dropdown list to the right of the search box. (Rutgers-restricted Access)
The historical volumes of the Mergent/Moody's Manuals are now available online on Mergent Archives, with brief company and financial information going back to 1909 for some firms. (Rutgers-restricted Access)
For the original SEC filings, see the U. S. Securities and Exchange Commission's website to use EDGAR.