I have website which fully optimized from the onsite to offsite and all local ranking signal are installed such like schema code,analytic, plug ins and Google and Bing webmaster tool verified.We have already have some verified Google and bing Listings,Googlemybusiness page and publish citations in local Directories sites and good quality back links.Even we have a some keywords rank in First page.What you think should i do more to get the 3 pack ranking? Looking forward to your reply Guys.
There are more metrics please go through below links I believe that will help you lots https://moz.com/blog/local-seo-checklist https://moz.com/blog/stop-local-seo-tunnel-vision-think-beyond-the-basics https://moz.com/blog/how-to-have-a-successful-local-seo-campaign-in-2015