Italgas SpA engages in the distribution of natural gas. Its services include meter operation, information security, service improvement, and plant management. It operates through the following segments: Gas Distribution, Energy Efficiency, and Corporate and Other Sectors. The Gas Distribution segment refers to gas distribution and metering activities carried out in Italy and Greece. The Energy Efficiency segment offers and implements energy efficiency measures for its customers in the residential and industrial sectors. The Corporate and Other Sectors segment includes services performed for third parties by the parent company Italgas, together with the activities of the water business. The Company was founded on September 12, 1837 and is headquartered in Milan, Italy.