Harvard Business Review is available via EBSCO’s Business Source Complete. HBR Publishing has a strict license agreement which prohibits downloading and direct linking.
Begin by looking for a company in the following resources: New York Times, Wall Street Journal, Forbes, Fortune, Business Week, Harvard Business Review, Bloomberg BusinessWeek. Use Business Source Complete and ABI/INFORM Collection to look for articles limited by "Subject" in the search tab. Here are some search terms: strategy, business planning, industries, business models.
Companies that are noted for thier strategy: