#21 Giant Schnauzer – 26–28 Inches
image source: amazonaws.com
This giant German is a well known working and guarding dog. It can be a loyal and courageous companion for the person who can provide him with the attention it needs.
This massive dog became popular as a military dog during World War I and World War II. It can weigh up to 105 lbs for males measure up to 28 inches! If you are looking for an affectionate guard dog, this is the one for you!
