Building plumbingCrane work and rentalDry constructionInsulationPlumbing workRemediation of hazardous substances / Asbestos abatementRemediation worksRoof sealRoofing worksSealing worksWooden construction
BricklayingCivil engineeringConcrete worksGeneral contractorsIndustrial construction and hall buildingReinforced concrete worksRemediation worksShellStructural engineeringTurn-key construction
Building technology/ building services (building automation)Electrical installationHeatingLighting systemsRemediation worksRenewable energiesSafety technologySanitarySolar panelsTiles and panels