This tool generates а full list of Google My Business Categories. You can generate the list in different combination between language and country. The default categories in GMB are in English with country USA. The list is not more than three days old! This categories are the same as the one you see in Google Maps. There are 2 different views on how to see the results :
Very simple : Select the language and the country you are in ( or use United States for generic results ) and hit the button "Fetch Google My Business Categories", wait few seconds and voila
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