Execution of engineering and architectural services in the energy sector; planning and realization of general construction projects; planning and execution of orders in the field of energy, environmental and safety technology and electrical installations; sale and commissioning of multimedia devices; construction and commissioning of energy production plants; supply and sale of electrical, chemical or other types of energy; trade in goods of all kinds, in particular building materials; participations; acquisition and sale, encumbrance, brokerage and management of real estate; financing; granting of guarantees and sureties for third parties; exploitation of patents and licenses.