Yahoo
Portal providing a category-based Web directory.

Lycos
Develops and provides online guides to locate and filter information on the Internet. Products enable users to accurately identify and select information of interest to them.

Excite
Global media company offering consumers and advertisers comprehensive Internet navigation services with extensive personalization capabilities. Search services include the Excite and WebCrawler brands.

AltaVista
Offers users a point-and-click interface, pulldown menus, and the ability to use plain English terminology for constructing searches.

Direct Hit
Ranks search results according to what other people have selected as the most relevant and popular sites for your search request.