interest was sold to SKM partners, a private equity firm. Brock and the co-founders of Dollar Tree got the idea for the company from another retailer known as Everything's A Dollar, which went bankrupt in the 1990s. On March 6, 1995, Dollar Tree, Inc. went public on the NASDAQ exchange at $15 a share, with a market cap then calculated at $225 million. In 1996, Dollar Tree acquired Dollar Bill$, Inc., a Chicago-based chain of 136 stores. In 1997, the company opened its first distribution center and its new store support center, both located in Chesapeake, Virginia. In 1998, Dollar Tree acquired 98-Cent Clearance Centers in California. In 1999, Dollar Tree acquired Only $One stores based in New York. That same year, the company opened its second distribution center in Olive Branch, Mississippi. 2000s In 2000, Dollar Tree acquired Dollar Express, a Philadelphia-based company, and also built a new distribution center in Stockton, California. In 2001, the company opened two additional distribution centers, in Savannah, Georgia, and Briar Creek, Pennsylvania. In 2003, Dollar Tree acquired Salt Lake City, Utah-based Greenbacks, Inc., and opened a new distribution center in Marietta, Oklahoma. In 2004, Dollar Tree opened its first store in North Dakota which marked its operation of stores in all 48 contiguous states. The company also opened new distribution centers in Joliet, Illinois, and Ridgefield, Washington. In 2006, Dollar Tree celebrated its 20th year of retailing at a $1.00 price point, opened its 3,000th store, and acquired 138 DEAL$ stores, previously owned by SUPERVALU INC. In 2007, Dollar Tree expanded its Briar Creek Distribution Center and crossed the $4 billion sales threshold. In 2008, Dollar Tree earned a place in the Fortune 500. By the close of 2009, the company opened a store in Washington, D.C., and purchased a new distribution center in San Bernardino, California. In 2009, Dollar Tree redesigned its website with a new e-commerce platform. DollarTree.com sells Dollar Tree merchandise in larger quantities to individuals, small businesses, and organizations. The company also advertises in-store events, specials, seasonal promotions, and featured products through the site, and users can locate a retail store, research information about Dollar Tree, and view product recalls. Dollar Tree also added customer ratings and reviews, and customer stories to the site. 2010s In 2010, the corporation opened its 4,000th chain store and acquired 86 Canadian Dollar Giant stores which are based in Vancouver, British Columbia,