A directory is a guide or list of resources, not an individual business. The directories in this category are mainly telephone, email and manufacturers directories.
An enormous reference resource featuring links in categories like programming, computer help, genealogy, hobbies, business and travel. http://www.info-s.com/
Links cataloged in the form of on-line publishing: stories, articles, dictionaries, bibliographies, song-lists, word-lists, phone-lists, translations... http://www.trussel.com/
A one-stop site for all things Internet including news, weather, sports, reference, encyclopedia (50 areas), facts on file, FAQs, tutorials, search engines, Win95, free stuff, and games. Includes over 20,000 links. http://www.refdesk.com/
Search a collection of resources recommended by librarians and educators. Select from subject specific databases or general web sites, news sources, or electronic text archives. http://www.virtuallrc.com/
ZIP Codes, area codes, cities, states, addresses, information about non-profit organizations, people who have contributed to political campaigns, and demographics. http://www.MelissaData.com/lookups/index.htm
Provides access to multiple phone, reference, geographic, business, search, and media databases with integrated search tools. http://www.langenberg.com/