Walgreens is the nation's largest drugstore chain with fiscal 2010 sales of $67 billion. The company operates 7,689 drugstores in all 50 states, the District of Columbia and Puerto Rico. Each day, Walgreens provides nearly 6 million customers the most convenient, multichannel access to consumer goods and services and trusted, cost-effective pharmacy, health and wellness services, and advice in communities across America. Walgreens scope of pharmacy services includes retail, specialty, infusion, medical facility, and mail service, along with respiratory services. These services improve health outcomes and lower costs for payers including employers, managed care organizations, health systems, pharmacy benefit managers, and the public sector. Take Care Health Systems is a Walgreens subsidiary that is the largest and most comprehensive manager of worksite health centers and in-store convenient care clinics, with more than 700 locations throughout the country.