The website states it has organizational charts for the world's 20,000 largest corporations. View corporations by industry, country, or alphabetically. Two types of membership: free - with limited viewing, or premium - with unlimited viewing.
Use the search icon on the left to search by company name or ticker. Select company snapshot from the results. Expand the News, Research & Filings menu on the left and select Filings. Look for the 10Ks, which will contain some information on the company's organizational structure.
Apply for an account and a business librarian will review your request. Database works best with Chrome.
Use the FactSet Excel add-in for additional data functionality. Available from a limited number of dedicated computers in the Business Library that don't require an individual account. Complete a tutorial to learn how to use this database
About Org Charts
Finding official org charts for companies is difficult. Sometimes you can find an outside source that offers unofficial (i.e. anyone can edit) charts for whatever companies people choose to include.