7-Eleven Inc. and Alimentation Couche-Tard Inc. were the only pure-play U.S. convenience store retailers to make the National Retail Federation's Stores 100 Top Retailers list, ranking at No. 40 and No. 75, respectively.   Dallas-based 7-Eleven had 2010 U.S. retail sales of $8.513 billion.  Laval, Quebec-based Couche-Tard (with U.S. headquarters in Tempe, Ariz., from which it operates the Circle K chain) had 2010 U.S. retail sales of $4.528 billion.
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