Dogs of this group are large, muscular, massive, and strong. They are used to pull-sleighs, (Siberian Husky) being police and military dogs,(Rottweiler) rescue dogs (German Shepherd) and guard dogs. Working dogs are loyal and protective, but also aloof around strangers, and other dogs.Working dogs must be trained properly; if not they can be aggressive.

Dogs in this group include:

• Akita

• Alaskan Malamute
• Anatolian Shepherd
• Bernese Mountain Dog
• Black Russian Terrier
• Boxer
• Bullmastiff
  
• Doberman Pinscher
• German Pinscher
• Giant Schnauzer
  
• Great Dane
• Great Pyrenees
  
• Greater Swiss Mountain Dog
• Komondor
• Kuvasz
• Mastiff
• Neapolitan Mastiff
• Newfoundland
• Portuguese water dog
• Rottweiler
  
• Saint Bernard
• Samoyed
• Siberian Husky
• Standard Schnauzer
  
• Tibetan Mastiff
  

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