Rottweiler — Often used as search and rescue dogs, guide dogs for the blind, and guard dogs or police dogs, Rottweilers also make great companion pets. (longislandcityvet.com)
Hypoallergenic dogs aren't only great companion pets for people who struggle with allergy symptoms, though. (fetchpetcare.com)
The Yorkshire Terrier is not only a great companion pet, but a very attractive breed as well. (pawster.com)