Costco Wholesale warehouse sales of $57 million Number of Units: 285 units in 36 states and Puerto Rico Membership: 18.4 million members, 86% membership renewal rate Unit Size, Average Store: 70,000 to 160,000 square feet Opening 20 units in 2002, including: Kansas (2), North Carolina (2), Pittsburgh (2), San Antonio (2) Sam's Club Sales: net sales of $29.4 million Number of Units: 503 units Membership: 46 million members Unit Size, Average Store: 110,000 to 130,000 square feet ...

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