These resources are intended more for public companies, because they are required to file reports with the US government. Reports that might be of interest to you are:
We personally find the quarterly earnings calls very valuable. Industry and stock analysts pummel the CFO, CEO and other senior management with questions. Not every company streams them on their websites, but you can contact their Investor Relations department to find out.
EDGAR – SEC filings in real-time
Industry Analyst reports
Yahoo! Finance – real-time and historical data
Foreign Company Financials
Global Company Handbook, CIFAR, - contains information and financials on about 10,000 organizations
Moody’s International Manual – contains company profiles, management teams, locations, products, income statements and balance sheet data at the global not the US level.