All companies, foreign and domestic, are required to file registration statements, periodic reports, and other forms electronically through EDGAR. Anyone can access and download this information for free. You'll probably be most interested in company annual reports, designated as 10-K statements.
Company annual financial reports are usually also available at a company's website. Google the company name + "financial statement" or "investor relations."
Business data includes Annual Revenues, Employee Counts, Corporate Family Tree, Key Contacts, Analyst Reports, SWOT reports, stock data, financials and other vital information.
Contains detailed descriptions of companies, industries, and mutual funds; company information includes a description of the company, stocks & bond issues, earnings estimates, dividend and split history and more.
IBISWorld research reports contain trends, statistics and analysis on market size, market share of competitors, and industry growth rates. Performance analysis includes emerging industry trends as well as recent production performance and 5 year forecasts.