SmallTime - 11:15 am on Dec 1, 2001 (gmt 0)
hi, and welcome to webmaster world. The question is a little complicated by whether you mean search engines with databases, directories, or portals. And the partnerships between them. But a rough first answer has to be google, yahoo, msn. Browse the forums, use the site search in the top left of the page, and check out some of the basic info on search engine world. There are several good sites that give rankings, go to your favorite search engine and search for 'search engine statistics'