Search Engine global 

* Alexa Internet
* Ask.com (sebelumnya Ask Jeeves)
* Exalead
* Gigablast
* Google
* Live Search (sebelumnya MSN Search)
* MozDex

  Yahoo! Search Search Engine berbasis Microsoft 

* MSN

  Bing Search Engine berbasis Google 

* AOL Search
* CompuServe Search
* Mahalo.com
* MySpace Search
* Netscape

 Ripple Search Engine berbasis Yahoo!

* AltaVista
* AlltheWeb
* GoodSearch

* Rectifi Search Engine berbasis Windows Live

* A9.com
* Ms. Dewey

 Tafiti Search Engine berbasis Ask.com 

* iWon
* Lycos , dll