General contracting and planning for buildings of all kinds; planning, design and execution of renovation and new construction projects, renovations, assumption of construction management tasks, construction and project management mandates, execution of general contractor contracts and other services in the construction industry, exercise of fiduciary transactions for the construction industry, in particular organization, planning, implementation and administration of new construction and comprehensive development projects; can participate in other companies and acquire, encumber, sell and manage real estate; design and execution of electrical high-voltage systems, electrical low-voltage systems and telephone systems A + B as well as trade in electrical appliances, devices, machines and articles of all kinds; sanitary and heating installations; floor coverings; carpet and PVC hard floors as well as parquet including sanding and sealing; processing of plates and ceramics; windows as well as trade in construction products.