Automatic Data Processing (ADP) offers a wide range of human resource, payroll, tax and benefits administration solutions and is also a leading provider of integrated computing solutions to automotive, heavy truck, motorcycle, marine, recreational vehicle and heavy machinery dealers. In 2009, ADP processed payroll for 570,000 companies, delivered 51 million year-end tax statements (W-2), delivered 39 million employer payroll tax returns and deposits, and moved $1 trillion in client funds.^[1]

Beyond basic payroll processing, ADP sells companies other outsourced human resources services, such as payroll tax administration, retirement plan administration, health benefit administration, and workers' compensation insurance services. Additionally, ADP earns interest on funds that are temporarily held for its clients (e.g. between the time the money is transferred to ADP and the time the checks are sent to and cashed by employees).

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