Among these, the most significant concern the tender for the supply of smart gas meters (membrane, ultrasonic and thermal mass - calibre from Gthe entrusting of the global maintenance and management service for the real estate property, plant engineering, all the activities associated with the management of the spaces, the tender for the acquisition of the active electronic billing services, operational and replacement optical archiving of the administrative-accounting documents of fiscal-statutory value, the tender for the purchase of motor vehicles, the tender for the acquisition of metal and polyethylene containers for waste collection, the tender for the acquisition of polyethylene, paper and bio-plastic sacks for urban waste collection, the tender for the acquisition of the ordinary, corrective, adaptive, and evolving Application Maintenance service to be carried out on the applications used by the Group companies.