K9 Stud - Dog Breeders  
Dog breeders by location as well as a chat feature with dog breeders around the world.
http://www.k9stud.com/Viewallbreederlistings.aspx

Sarah's Dogs - Dog Breed Information  
Sarah's Dogs has information and advice on how to care for your dog. Hundreds of breeds listed.
http://www.sarahsdogs.com