Manufacture of electric appliances for signs, controls or commands for roads, railways, waterways, port installations, and for airports
Manufacture of other electrical appliances for acoustic or visual signs: ringings, sirens, indicating boards, monitrons for protection against theft and fire
Installation of secondary power supply systems (electrical generators)
Setting of monitoring systems and alarms against housebreakings
Other work of n.e.s. installation, including accessories installation
Protection and fight against fire
Activities of advice in the field of industrial, household and public services security
Construction of civil-technical works for electricity and telecommunications
Electro-technical installation works at buildings
Other types of building installations
Intermediation of common goods
Development and programming of computer programs
Other services related with information technology and computers