Walgreen Co., doing business as Walgreens, is the largest drug retailing chain in the United States. As of January 31, 2012, the company operates 8,300 stores in all 50 states, the District of Columbia, Puerto Rico, and Guam. It was founded in Chicago, Illinois in 1901. Walgreens’ headquarters are in the Chicago suburb of Deerfield.

Walgreens provides access to consumer goods and services, plus pharmacy, health and wellness services in America through its retail drugstores, Walgreens Health Services division, and Walgreens Health and Wellness division. Walgreens had 8,061 drugstores as of December 31, 2012. Walgreens runs several on line stores such as www.Beauty.com, Drugstore.com and www.VisionDirect.com.

21st century expansion:
2006: Walgreens acquired the Happy Harry’s chain in Delaware, Pennsylvania, Maryland and New Jersey.
October 2007: Walgreens opened its 6000th store in New Orleans, Louisiana.
January 2008: Walgreens purchased 20 stores in Puerto Rico from Farmacias El Amal.
July 2009: Walgreens operates in all 50 states and the District of Columbia.
February 17, 2010: Walgreens announced plans to acquire New York City-area chain Duane Reade for $1.075 billion, including debt. Walgreens continues to operate in the New York City metropolitan area as Duane Reade; its stores near existing Walgreens were closed.
March 24, 2011: Walgreens acquired Drugstore.com for $409 million. Drugstore.com in turn owned Beauty.com. In 2013 Beauty.com was named by Internet Retailer Magazine in its Top 100 online retails sites list.
April 30, 2011: Walgreens operated 8,169 stores; it had expanded into Guam and Puerto Rico.
June 19, 2012: Walgreens paid $6.7bn for a 45% stake in Alliance Boots.
July 5, 2012: Walgreens entered into an agreement to acquire Mid-South drug store chain operating under the USA Drug, Super D Drug, May’s Drug, Med-X and Drug Warehouse banners. The deal is expected to be finalized by September 1.

Source: www.wikipedia.com

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