BJ's introduced the warehouse club concept to New England in 1984 and has expanded throughout the eastern United States. At the beginning of 2007, BJ’s operated 172 warehouse clubs in 16 states. 
BJ's makes money by selling a wide range of food and general merchandise items, gasoline (at select BJ's locations) and from membership fees. 
BJ’s private brand consumer products are generally are priced well below the top branded competing product. At the end of 2006, BJ's private brand products had achieved a sales penetration of approximately 13% of food and general merchandise sales on an annualized basis. The company expects its private brand products to continue to represent an increasing percentage of sales over time.
The wholesale club market is fiercely competitive and margins are thin. BJ's main competition is Sam's Club and Costco Wholesale (COST). Costco has taken away market share from Sam's Club by opening new clubs throughout the Midwest and the South over the past years, which was previously dominated by Sam's Club.
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