In general, it's easier to find information companies that trade on a stock exchange (public companies) or companies with large public profiles. The business databases will include articles about all types of companies.
Public companies and subsidiaries
For large companies, the corporate webpage should provide many ways to explore the organization and its culture. You may not always find these, but look for
Use these sources for a quick overview of a company. Brief descriptions are good places to start along with a company's website. Expect find a brief description of a company's business, the names of executives and occasionally competitors. Each source below also has some unique features as noted.