Specifically for locksmiths and garage door companies, Google Ads tries to fight back against this[0]. I've gone through this with a few clients.

However, they still let lead aggregators get verified, provided they have a local business license. However, "legacy" google ads accounts like locksmithdirectory.com seem to be able to advertise anywhere in the nation.[1]

[0]https://support.google.com/google-ads/answer/7167635?hl=en