BizRate
http://www.bizrate.com/

DealTime
http://www.dealtime.com

Froogle
http://www.froogle.com

Kelkoo
http://www.kelkoo.co.uk/

MSN Shopping
http://shopping.msn.com/

mySimon
http://www.mysimon.com/

NexTag
http://www.nextag.com/

PriceGrabber.com
http://www.pricegrabber.com/

Yahoo Shopping
http://shopping.yahoo.com/

Buyer's Index
http://www.buyersindex.com/

Dulance
http://www.dulance.com/

ePublicEye.com
http://www.epubliceye.com

PriceScan
http://www.pricescan.com/

AddAll
http://www.addall.com/

CatalogCity.com
http://www.catalogcity.com/

Google Catalogs
http://catalogs.google.com/

Specialoffers.com
http://www.specialoffers.com/