Rochester, New York-based Paychex, Inc. (PAYX) provides integrated human capital management solutions (HCM) for payroll, benefits, human resources (HR), and insurance services for small to medium-sized businesses. With a market cap of $48.7 billion, Paychex's operations span the United States, Europe, and internationally. Companies worth$10 billion or more are generally described as "large-cap stocks." Paychex fits this bill perfectly. Given the company’s extensive clientele, its valuation above this mar ...