The company provides business process outsourcing (BPO) services for commercial enterprises and government agencies, focusing on markets such as communications, health care, and transportation. As an outsourcer, ACS handles functions such as administration, including health care claims processing; finance and accounting; human resources; payment processing; sales, marketing, and customer care call centers; and supply chain management. BPO services account for most of the company’s sales. ACS also offers information technology and systems integration services. In February 2010, ACS was acquired by Xerox for $6.4 billion.