- supply of useful energy and gas (cooking, laundry and PASA),

- supply of fuel oil (electrical backup and housing 3),

- operation, preventive maintenance and curative maintenance, driving, maintenance, and troubleshooting 24 hours a day, 7 days a week,

- installations for the production, treatment and distribution of heating, domestic hot water, ventilation, air conditioning, steam and electrical backup.

- supply of useful energy and gas (cooking, laundry and PASA),

- supply of fuel oil (electrical backup and housing 3),

- operation, preventive maintenance and curative maintenance, driving, maintenance, and troubleshooting 24 hours a day, 7 days a week,

- installations for the production, treatment and distribution of heating, domestic hot water, ventilation, air conditioning, steam and electrical backup.