The online version of two print directories: The Directory of American Firms Operating in Foreign Countries The Directory of Foreign Firms Operating in the United States.
Generate lists of companies, by industry and/or location, and then use the 'Chart' feature to sort and display the results.
UniWorld (Who Operates Where)
Keep in mind, information about individual public companies will likely be available in databases such as Mergent Online and Mergent Intellect. Information about private companies can be difficult to find.