Automatic Data Processing, Inc. is a provider of cloud-based human resources management, payroll processing, and professional employer organization services. Its segments include Employer Services and Professional Employer Organization (PEO). Its Employer Services segment serves clients ranging from single-employee small businesses to large enterprises with tens of thousands of employees around the world, offering a range of technology-based HCM solutions, including its cloud-based platforms, and human resource outsourcing (HRO) (other than PEO) solutions. Its offerings include payroll services, benefits administration, talent management, HR management, workforce management, compliance services, insurance services and others. Its PEO business, called ADP TotalSource, provides clients with guidance, technology, comprehensive employee benefits, risk management, safety, and workers' compensation programs. Its compensation management software supports the compensation planning needs.