Jansen Group


Permanent acknowledgements

Class Category Description
8 D General construction undertaking
8 D1 Structure works and roofing of buildings
8 D17 Central heating, thermal installations
8 D18 Ventilation, air heating and air conditioning
8 D20 Metal joinery
8 D4 Sound and thermal insulation, lightweight partitions, false ceilings and blind floors, whether or not prefabricated
7 D5 Carpentry in general, wooden beams and stairs
6 D11 Plaster and frame works
5 D13 Paintwork
5 D25 Wall and floor covering, with the exception of marble, parquet and tiles
5 E General undertaking of civil engineering
5 G General undertaking of earth works


Category Description
ISO 14001 Norm for environmental policy
ISO 9001 Norm for quality
VCA petrochemie Norm for the petrochemical industry
VCA** Norm for safety and health