ADP, with nearly $8 billion in revenues and approximately 585,000 clients, is one of the world's largest providers of business outsourcing solutions. Leveraging more than 55 years of experience, ADP offers the widest range of HR, payroll, tax and benefits administration solutions from a single source. ADP's easy-to-use solutions for employers provide superior value to companies of all types and sizes. ADP is also a leading provider of integrated computing solutions to auto, truck, motorcycle, ma ...

Paychex, Inc. is a recognized leader in the payroll and human resource industry, serving approximately 561,000 businesses nationwide. With president and chief executive officer Jonathan J. Judge at the helm, the Paychex commitment to customers remains as strong today as it was when the company was founded by B. Thomas Golisano in 1971.

Golisano started the company with just $3,000 and a great idea — to make payroll outsourcing easy and affordable for small businesses. He saw the huge untapped ...