Building technology/ building services (building automation)Dry constructionGas installationHeatingPlant engineeringRemediation worksRenewable energiesSanitarySolar panelsTiles and panelsVentilation
Concrete worksDrillingETICSGeneral contractorsInsulation technologyPlasteringRemediation of hazardous substances / Asbestos abatementRemediation worksShellStructural engineeringTiles and panelsTurn-key construction