The areas of expertise of the SGP / ERGTY cover all the activities of the Sector of Water Resources: - Hydraulic studies, public works and environment, irrigation schemes, water towers, piped drinking water, tanks, tunnels, drainage stations, treatment of drinking water and wastewater treatment, dams, barrages, achievements electromechanical, hydraulic equipment, pumping stations and boreholes, dams and dredging of ports, reinforcement work and special foundations, achievements desalination of sea water, rehabilitation and renovation of hydraulic structures, pipe production sanitation, water supply, canals and concrete supports for electrification and all general contracting, technical hydraulics.