Medco is a leading pharmacy benefit manager (PBM), with the nation's largest mail order pharmacy operations. Medco Pharmacy operates 10 mail-order pharmacies and partners with a nationwide network of approximately 60,000 retail pharmacies. Medco’s automated pharmacies located in Las Vegas, Indianapolis, and Willingboro, NJ, together have the capacity to fill more than 3 million prescriptions per week. Medco Health Solutions, Inc. is an American Pharmacy Benefits Management (PBM) company currently serving the needs of more than 65 million people. Medco provides pharmacy services for private and public employers, health plans, labor unions, government agencies, and individuals served by Medicare Part D Prescription Drug Plans. Medco is a member of the S&P 500 and is ranked number 34 on the 2011 Fortune 500 list, with 2011 revenues of more than $70 billion. It has earned the No. 1 ranking in the Healthcare: Pharmacy and Other Services category on Fortune magazine’s World’s Most Admired Companies list for five consecutive years (2008-2012). Medco was originally founded as National Pharmacies in 1983. In 1984, after an IPO, National Pharmacies became Medco Containment Services, LLC. In 1990, Medco Containment was acquired by Merck & Co., Inc. and became Merck-Medco. In August 2003, Medco Health Solutions, Inc. became an independent company in one of the largest domestic spin-offs at the time. It has recently been acquired by Express Scripts