Where do I find more travel sites such as expedia, orbitz. etc?

I need to find some sites/travel portals for bookings all over the world, is there any resourse listing all these?

Kayak.com,travelzoo.com,hotwire.com,pric... you can always do a google seach.

visit http://mandhol.blogspot.com you can search as well book from this page...