Automatic Data Processing Inc. (ADP)

Automatic Data Processing Inc. (ADP) is a global business outsourcing services provider headquartered in Roseland, N.J. 

ADP is one of the largest payroll outsourcing providers in the world, and was an early adopter of a cloud computing operating model. According to executives, the vendor cuts paychecks for one in six Americans.

The company was founded in 1949 as a payroll processor, but today offers a wide span of outsourcing services, including benefits management, pre-employment background checks, retirement plan services and worker compensation. The vendor also produces software products for functions such as talent management, time and attendance and procure to pay (P2P).

ADP has over 600,000 clients worldwide, 40,000 of which use its human capital management (HCM) software. Customers include Blue Cross Blue Shield of Massachusetts, Columbia Sportswear and The E.W. Scripps Company.