Excite (http://www.excite.com)
Google (http://www.google.com)
Google Images (http://images.google.com)
This is a great site if you need pictures or maps for projects
IXQuick (http://www.ixquick.com)
Metacrawler (http://www.metacrawler.com)
Momma (http://www.momma.com)
MSN (http://www.msn.com)
Yahoo (http://www.yahoo.com)
Wisenut (http://www.wisenut.com)