BricklayingCivil engineeringConcrete worksGeneral contractorsIndustrial construction and hall buildingReinforced concrete worksRemediation worksShellStructural engineeringTurn-key construction
Building technology/ building services (building automation)Dry constructionElectrical installationFire protectionFlooring worksGeneral contractorsHeatingJoinery worksPainting worksRemediation worksSanitaryTiles and panelsWooden construction