Construction of high roads and other types of roads
Electro-technical installation works, with the exception of those executed at buildings
Other types of building installations
Wholesale in other types of machines and tools
Other types of advice agencies related to business management
Rental and lease of cars and small vans (< 3.5 metric tonnes)
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
Manufacture of mechanical and electromechanical appliances for signalling, security, controlling or commanding for ways: railways, roadways, waterways, port installations, etc.
Setting of lighting and signalling systems for roads, railroads, port and airport installations (including the setting of notice boards)