Iberdrola is a holding company. Through its subsidiaries, Co. operates in four segments: network business, which includes all the energy transmission and distribution activities, and other regulated activity originated in Spain, the U.K., the U.S. and Brazil; deregulated business, which includes electricity generation and sales businesses as well as gas trading and storage businesses carried on by Co. in Spain, Portugal, the U.K. and North America; renewable business, with activities related to renewable energies in Spain, the U.K., the U.S. and the rest of the world; and other businesses, including the engineering and construction businesses and the non-power businesses.

Total is an international integrated oil and gas company also active in solar and biomass energy sources. Co. engages all aspects of the petroleum industry, including Upstream operations (oil and gas exploration, development and production, and LNG (Liquefied Natural Gas)) and Downstream operations (refining, petrochemicals, specialty chemicals, marketing and marketing and trading and shipping of crude oil and petroleum products). In addition, Co. is engaged in the coal mining and power generation sectors. Co.'s worldwide operations are conducted through three business segments: Upstream, Refining & Chemicals, and Marketing & Services.