The tough guys of the dog world, working dogs use their bravery or brawn to help humans. Guarding breeds protect homes, people and livestock; rescue breeds save people from snow or water; and draft breeds pull people, carts and sleds. Strong of body and mind, they tend to take life seriously.
- Akita
- Alaskan Malamute
- Anatolian Shepherd Dog
- Bernese Mountain Dog
- Black Russian Terrier
- Boerboel
- Boxer
- Bullmastiff
- Cane Corso
- Chinook
- Doberman Pinscher
- Dogue de Bordeaux
- German Pinscher
- Giant Schnauzer
- Great Dane
- Great Pyrenees
- Greater Swiss Mountain Dog
- Komondor
- Kuvasz
- Leonberger
- Mastiff
- Neapolitan Mastiff
- Newfoundland
- Portuguese Water Dog
- Rottweiler
- Saint Bernard
- Samoyed
- Siberian Husky
- Standard Schnauzer
- Tibetan Mastiff
