Approximately 20 percent of prescription drug expenditures flow through mail-order pharmacies. The mail-service pharmacy option continues to be an important and growing tool for individuals managing chronic conditions. The mail-order pharmacy option is projected to save consumers, the Medicare program, and health insurance plans in the commercial marketplace billions of dollars on prescription drug costs over the next decade. Knowledge Source's report Mail-Order Pharmacies Market Overview examines the competitive landscape of the mail-order pharmacy industry. The latest key issues and developments in the market are identified and more than 50 of the leading companies in this sector are profiled. Each company profile includes (when available): company background, strategy, financial information, products and services, and recent activities.