Retail trade in solid, liquid and gaseous fuels, with the exception of engine fuels, in specialised shops
Production of fuel for engines: gasoline, kerosine, etc.
Wholesale trade of fuels, fats, lubricants, oils, etc.
Handelsbemiddeling in brandstoffen, ertsen, metalen en chemische producten
Production of other types of non-ferrous metals
Wholesale in solid, liquid and gaseous fuels as well as related products
Repair and maintenance of house boilers
Trade in electricity
Distribution of gas by means of pipes
Installation of heating, air-conditioning and ventilation
Retail trade of fuels (including lpg) for automobile vehicles and motorcycles
Retail trade of solid fuels such as coal, heating wood, charcoal, etc.
Retail trade of liquid and gaseous fuels
Cold-store and other types of storage
Rental and exploitation of own or leased non-residential real estate, with the exception of land
Hire for a year of boxes or garages for vehicles
Test and analyses on texture, physical characteristics, performances, compliance with reglements and standards or specifications of materials, products, installations, etc.
Chimney sweeping and cleaning of hearths, ovens, incinerators, boilers, air ducts and smoke removal appliances