Air conditioningBuilding technology/ building services (building automation)Façade worksFire protectionIndustrial construction and hall buildingInsulationInsulation technologyPlant engineeringRefrigeration
Bridge constructionCivil engineeringDrillingIndustrial construction and hall buildingPlant engineeringReinforced concrete worksSpecialised civil engineering workUnderground construction
Electrical installationFaçade worksIndustrial construction and hall buildingPlant engineeringRenewable energiesRoof sealRoofing worksSealing worksSolar panels