NORTHERN LIGHT
http://www.northernlight.com

YAHOO
http://www.yahoo.com

WEBCRAWLER
http://www.webcrawler.com

LYCOS
http://www.lycos.com

ALTA VISTA
http://www.altavista.digital.com/

INFOSEEK
http://guide.infoseek.com/

HOTBOT
http://www.hotbot.com/

STARTING POINT
http://www.stpt.com/

OPEN TEXT
http://www.opentext.com

METACRAWLER
http://www.metacrawler.com/