There are certain industries and sectors that seem ‘shadier’ than others. When it comes to Google Maps and getting businesses listed in Google Maps/Places, certain industries take more aggressive approaches to ranking for certain queries.
Google’s Vanessa said in a Google Places Help thread that the towing company industry is one of those verticals. She wanted to make sure that if you are in that vertical, you should know that. She said:
See that, don’t be dodgy if you in are dodgy vertical!
Forum discussion at Google Places Help.
