You are aware of the latest Pigeon updates, right?
And the move of directories into a higher valuation by Google for serps?
Here's how I blogged about same - http://www.canuckseo.com/index.php/2014/08/google-pigeon-update-gotta-know/ and a quick Google for "pigeon update favors directories" shows many more SEO practitioners with the same view...
Yelp has especially been moved up in my own client roster serps....