Iberdrola SA is a holding company, which engages in the generation, distribution, trading, and marketing of electricity. The company is headquartered in Bilbao, Vizcaya and currently employs 45,339 full-time employees. The firm's segments include Network business, Deregulated business, Renewable business and Other businesses. The firm's Network business segment includes all the energy transmission and distribution activities, and any other regulated activity originated in Spain, the United Kingdom, the United States and Brazil. Its Deregulated business segment includes electricity generation and sales businesses, as well as gas trading and storage businesses carried on by the Company in Spain, Portugal, the United Kingdom and North America. Its Renewable business segment includes activities related to renewable energies in Spain, the United Kingdom, the United States and the rest of the world. Its Other businesses segment includes the engineering and construction businesses and the non-power businesses. The firm offers its customers power and natural gas, both in the wholesale and retail markets.