NEC Networks & System Integration Corporation (NESIC, NECネッツエスアイ株式会社) is a company that provides system integration services. Its products include video conferencing systems, telephony servers, routers and switches, interface converters, network testers, etc. The company also provides cloud computing, CRM, energy conservation, physical security, and support services. NESIC serves a range of clients, including telecommunications carriers, public and social infrastructure sectors, and domestic and overseas enterprises.