• Look at the company's website
  HINT: Look for "Investor Relations" first for public companies.

• EDGAR [U.S. Securities and Exchange Commission]
  Public companies only.

• Guidestar
  Nonprofit financials. You will need to create a Free Account to access the information.

• Business Plans Handbook
  Some business plans include sample financial data for small businesses.

• Yahoo! Finance

At the Company Level:

• Look at Marketline Company Reports in Business Source Complete:
• click More, then Company Profiles in the top navigation bar.

At the Product, Service or Brand Level:

• Look for relevant charts in Market Share Reporter or Statista.
• Search for brand or product keyword in company's annual report or 10K document.
• Search for articles by product or brand name in Business Insights: Essentials.

Research your competition in the place where you plan to start your business. Search for industry information in a local newspaper.