Automatic Data Processing, Inc., also known as ADP, is a provider of human resources management software and services. With around 620,000 customers, ADP is one of the world's largest independent IT service companies and is considered a leading provider of HR services such as payroll, time recording and travel expense management.
Automatic Data Processing stock (symbol: ADP) underwent a total of 7 stock splits.The most recent stock split occurred on October 1st, 2014.One ADP share bought prior to May 22nd, 1981 would equal to 40.349828406952 ADP shares today.