France – Repair and maintenance services of central heating – Exploitation des installations de génie climatique et de traitement d'air dans les bâtiments (y compris collèges) du conseil départemental des Yvelines

Operation of Heating, Ventilation and Air Conditioning (HVAC) systems with profit-sharing for buildings (including secondary schools) of the Yvelines Departmental Council, northern sector | Operation of Heating, Ventilation and Air Conditioning (HVAC) systems with profit-sharing for buildings (including secondary schools) of the Yvelines Departmental Council, eastern sector | Operation of Heating, Ventilation and Air Conditioning (HVAC) systems with profit-sharing for buildings (including secondary schools) of the Yvelines Departmental Council, southern sector