A gas station-convenience store chain, fast-casual dining and sit-down restaurants are among the fastest-growing brands, according to new data. For the first time, Yelp released a list of the 50 fastest-growing brands to "recognize the companies that have successfully executed growth strategies over the last year." This includes newly public companies and those that are scaling regionally and ones that are considered industry mainstays, according to Yelp, which publishes crowdsourced reviews about businesse ...