http://www.shopzilla.com
2. Order.com
http://www.order.com
3. ShopWiki
http://www.shopwiki.com
4. Quick Shop
http://www.quickshop.com
5. Shopping.com
http://www.shopping.com
6. BizRate
http://www.bizrate.com
7. Pricegrabber.com
http://www.pricegrabber.com
8. DealTime
http://www.dealtime.com
9. mySimon
http://www.mysimon.com
10. NexTag.com
http://www.nextag.com