I really appreciate what ProPublica did here. But I'm a bit confused why of two places I know that offer the same services, one is listed and one is not. Is it

I really appreciate what ProPublica did here. But I'm a bit confused why of two places I know that offer the same services, one is listed and one is not. Is it because one has no violations? Or because its legal name is different than the sign out front? Why is stuff like this so hard? :(