Cellnex Telecom SA is a Spain-based company engaged in the wireless telecommunications (telecom) business. Its activities are divided into three segments: Broadcasting infrastructure, Telecom site rental, as well as Network services and other. The Broadcasting infrastructure division comprises distribution and transmission of television (TV) and frequency modulation (FM) radio signals, operation and maintenance (O&M) of radio broadcasting network, as well as over-the-top (OTT) radio services, among others. The Telecom site rental division provides access to wireless infrastructure, primarily through infrastructure hosting and telecom equipment co-location, mainly for mobile network operators and other wireless and broadband telecom network operators. The Network services and other division offers connectivity services for a variety of telecom operators and radio communication, among others. The Company also develops 5th generation mobile networks (5G) through Alticom BV.

Ence Energia Y Celulosa is engaged in the manufacture and commercialization of wood pulp and derivatives. Co. divides its activities into the following two business lines: Forest Division: Co. manages timberlands in South America and the Iberian Peninsula. Co. is involved in trading of wood, and supplies solid wood products including: plywood, sawn timber, parquet flooring and glued-edge paneling. Co. is involved in forest and environmental consulting. Pulp Division and Energy Production: Co. is engaged in the production of Eucalyptus globulus-based TCF and ECF paper pulp. Co. is also involved in the generation of electricity through biomass power producing plants.

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.

Repsol is an oil and gas company. Co. is engaged in all the activities relating to the oil and gas industry, including exploration, development and production of crude oil and natural gas, transportation of oil products, liquefied petroleum gas (LPG) and natural gas, refining, the production of a wide range of oil products and the retailing of oil products, oil derivatives, petrochemicals, LPG and natural gas, as well as the generation, transportation, distribution and supply of electricity. Co. operates in more than 40 countries. Co.'s operations are divided into four segments: Upstream, Downstream, LNG and Gas Natural Fenosa.