The Non-Sporting group

This is the group for breeds that don't fit anywhere else. According to the AKC, the only things they all share are four legs and a wet nose. It's a patchwork of dogs whose original jobs never fit the other six groups, and nearly every one of them has an unusual history. What connects them now is that most are kept as companions, and all were developed to work with people in some way. Because the breeds vary so much in size, coat, and temperament, this group is the most varied one to browse.

Sources: American Kennel Club, The 7 AKC Dog Breed Groups Explained