There are almost 4000 Google My Business categories below.

 

https://docs.google.com/spreadsheets/d/e/2PACX-1vRFty-UM-4_C8BRVDBFYK69tvr57FIDVbYG8K49S3fl7XoWRt2fkmoFU-QZXr2tBi8b8XstD0SaGaTj/pubhtml