The more things stay the same, the more they change.
The top 10 chains in SN's annual listing of the Top 75 food retailers and wholesalers in North America remained nearly identical in 2010 to the top 10 a year earlier, with Wal-Mart leading the pack, followed in the same order by Kroger Co., Costco Wholesale Corp., Supervalu, Safeway, Loblaw Cos., Publix Super Markets and Ahold USA. C&S Wholesale Grocers and Delhaize America now share the No. 9 spot.
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