A2A SpA engages in the production, sale & distribution of electricity, gas & heat and management of waste & integrated water cycle. The company is headquartered in Milan, Milano and currently employs 14,894 full-time employees. The company went IPO on 2002-07-12. The firm operates through five segments. The Energy segment covers electricity generation through hydroelectric and thermoelectric plants, energy management and sale of electricity and gas. The Heat and Services segment facilitates the management of heating plants, as well as distribution of heat in the cities of Milan, Brescia, Bergamo and other municipalities, production and sale of electricity, and maintenance activities at the cogeneration plants. The Environment segment includes waste disposal, street cleaning and waster recovery, among others. The Networks segment encompasses transmission, distribution of electricity, transportation, distribution of natural gas, and water distribution, among others. The Corporate and other services segment include traffic regulation systems and video surveillance systems, among others. The company operates through ACSM-AGAM and Consul System, among others.