Columbia Journalism Review - Who Owns What - An online guide to the holdings of the major media companies. What TV and radio stations, magazines, newspapers, book publishers and entertainment enterprises do they own.
eCommerce Times - An online newspaper with up to the minute reports, articles and news on the eCommerce business worldwide. Searchable.
Gary Price's List of Lists -"A database of ranked listings of companies, people and resources freely available on the Internet. Content comes from a number of sources including: Specialissues.com, Gary Price's "ResourceShelf" and individual users of the LOL." The organization of the List of Lists is by subject headings based on the two-digit 1997 U.S. NAICS Codes.