Revco Discount Drug Stores (known simply as Revco or Revco, D.S.), once based in Twinsburg, Ohio, was a major drug store chain operating through the Ohio Valley, the Mid-Atlantic states, and the Southeastern United States. The chain's stock was traded on the New York Stock Exchange under the ticker symbol RXR. Revco was sold to CVS Pharmacy for $2.8 billion in February 1997. When it was sold, the chain had over 2,500 stores.