"supermarket news" ranked 7-eleven's north american operations number 11 in the 2007 "top 75 north american food retailers," based on the 2006 fiscal year estimated sales of us$15 billion. based on the 2005 revenue, 7-eleven is the twenty-fourth largest retailer in the united states. , 8,144 7-eleven franchised units exist across the united states. franchise fees range between us$10,000 – $1,000,000 and the ongoing royalty rate varies. 7-eleven america has its headquarters in the one arts plaza building in downtown dallas, texas. small-size slurpees are free on "7-eleven day", on july 11.