Yet another Google Local bug to report.
Jade Wang from Google said in a Google Places Help thread there are confirmed reports on the categories not showing up on Google+ Local pages.
Jade explained, “It seems that categories are not appearing on some local Google+ pages. (Or, relatedly, some categories are showing, and some are not.)”
She said Google’s engineers are working on fixing it but she does not have an estimated time for a fix.
She said there may be a work around to get them to work. She said:
Forum discussion at Google Places Help.