Yahoo
http://www.yahoo.com
Lycos
http://www.lycos.com
Excite
http://www.excite.com
Dogpile
http://www.dogpile.com
Infoseek
http://www.infoseek.com
Hotbot
http://www.hotbot.com
Google
http://www.google.com
AltaVista
http://www.altavista.com
Internet Search Tools
http://www.sou.edu/library/searchtools
Ask Jeeves
http://www.askjeeves.com
WebCrawler
http://www.webcrawler.com