(c) service integration of information systems; research and development of metals; data-processing and storage support services; information technology advisory services; security systems control services; advertising and agency; advertising; advertising; installation of general machinery; manufacturing of computer hardware and peripheral equipment; manufacturing of branches]; manufacturing of digital video surveillance systems; manufacturing of network equipment; installation of defence equipment; information technology advisory services; information technology advisory services; security systems control services; commercial systems management services; advertising design, agency; advertising; advertising of general machinery; installation of general machinery; manufacturing of computer hardware and peripheral equipment; distribution of electronic equipment; distribution of electronic equipment; distribution of electronic equipment; supply of electronic equipment; supply of electr...