D351100 - Production of electricity
F432100 - Electrical installation
K642002 - Activities of other holding companies
F422200 - Construction of utility projects for electricity and telecommunications
E382100 - Treatment and disposal of non-hazardous waste
D352300 - Trade of gas through mains
F432204 - lnstallation of heating, ventilation and air-conditioning systems
G467500 - Wholesale of chemical products
M711202 - Building services engineering
J620100 - Computer programming activities
D353000 - Steam and air conditioning supply
H494100 - Freight transport by road
K649901 - Investment intermediation