Air conditioningBuilding technology/ building services (building automation)Electrical installationGas installationHeatingRemediation worksSanitaryTiles and panelsVentilation
BricklayingDemolition worksDoors and gatesDry constructionFair constructionFlooring worksGlass worksInterior constructionNatural stone worksRoof plumbing worksTiles and panelsWindows
BricklayingConcrete worksGeneral contractorsIndustrial construction and hall buildingPaving worksPlasteringScreed workShellTiles and panelsTurn-key construction