Brazilian Camargo Corrêa S.A. is a holding company with businesses in the cement, energy, transportation, engineering, construction, real estate, textile and naval industries. In terms of income, the company's largest operating unit is its cement subsidiary InterCement, which owns 40 factories in eight countries across South America, Africa and Europe. InterCement has an installed capacity of 47Mt a year and it also produces concrete and aggregates. In the energy sector, Camargo Corrêa S.A. owns a 23.6% stake in CPFL Energia. The firm has a 13% market share of the Brazilian electric power distribution business. In 2015, its installed capacity was 3.1GW and it aims to reach 3.3GW by 2018 from traditional and renewable sources. In the transportation sector, the firm owns a 17% stake and it is one of the founding shareholders of CCR. The company has won concessions to build and operate highways and airports, in Brazil and other countries, as well as subway lines and ferries. The São Paulo-based company was founded in 1939 as Camargo, Corrêa & Cia. Ltda. – Engenheiros e Construtores, a construction company.