Maintenance of pumps, hydrocarbon pits and retention basins, and indoor and outdoor networks, wastewater, black water, stormwater
Ile de France area: 75-77-78-91-92-93-94Maintenance of lifting pumps, hydrocarbon pits and retention basins, and interior and exterior networks, wastewater, black water, rainwater on the heritage of ESH STONES AND LIGHTS in Ile de France
Orleans sector: 45Maintenance of lifting pumps, hydrocarbon pits and retention basins, and interior and exterior networks, wastewater, black water, rainwater on the heritage of the ESH PIERRES ET LUMIERES Orleans sector