Retailers Access Operations Toolbox to Improve Store-Level ExecutionTraining, mystery shops and self-service technology are among key tools to achieve operational excellence. Northern Tier Buys 13 C-stores From Croix Oil Co.The petroleum marketer operates primarily in the Minneapolis and St. Paul metropolitan area. Moyle Petroleum Taps Gilbarco for Forecourt Upgrades Common Cents parent to roll out EMV and Applause TV solutions at 41 c-stores. BONUS CONTENT: The Next 100 Our ranking of the top 101-200 c-store chains by store count. Moyle Petroleum Buys Flying J Stores The sale of these stores was the last step in Flying J's bankruptcy reorganization plan.