Antofagasta Plc is a copper mining company. The Company has by-product production and interests in transport and water distribution. The Company operates three copper mines located in Chile, two of which also produce by-products. The transport division operates the main cargo transport system in the Antofagasta region of Chile, moving goods and materials, such as sulfuric acid and copper cathodes to and from mines by road and on its rail network. It also operates a railway in Bolivia. Aguas de Antofagasta operates the concession for the distribution of water in the Antofagasta region, supplying domestic and industrial users. The water division consists of two main businesses: a regulated water business supplying domestic customers and an unregulated business serving mines and other industrial users. Its segments include Los Pelambres, Centinela, Michilla, Antucoya, Exploration and evaluation, Railway and other transport services, Water concession, and Corporate and other items.