Grocery sales at Wal-Mart topped $ 109 billion last year up from $ 82 billion in 2002 , according to Retail Forward , a research firm in Columbus , Ohio , nearly double the next closest competitor among the traditional supermarket chains , Kroger , which generated $ 56 billion in sales in 2004 .
Ohio /location/location/contains Columbus
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Ohio
LOCATION
Columbus
LOCATION
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