-Manufacture of electronic components, electrical equipment and manufacture and repair of electrical machinery, apparatus and electronic equipment operating at low voltage
-Surface treatment and welding of metals and other materials
-Manufacture of machinery and equipment
-Mediation of trade and services
-Wholesale and retail trade
-Research and development in the field of natural and technical sciences or social sciences
Manufacture, installation, repair of electrical machinery and apparatus, electronic and telecommunications equipment
Installation, repair, inspection and testing of electrical equipment