VSA Organizational Memeber         SAIC www.saic.com contact: George Hou, VP phone: 703.824.5800 SAIC is the largest employee-owned research and engineering company in the United States, providing information technology, systems integration and eSolutions to commercial and government customers. We have 16 years experience as the prime contractor supporting the Military Health System's Composite Health Care System (CHCS), an M-based derivative of VistA. This long-term engagement provides us with a unique understanding of the "M" CHCS/VistA architecture and large-scale healthcare implementation and systems support.