MCE Top Companies List by Market Cap as of August 2026

Software and IT company related to travel and tourism. Headquarters is in Spain.

INTERNATIONAL CONSOLIDATED AIRLINES GROUP is a major European airline group that brings together the flag-carrier airlines of Britain, Spain and Ireland. It is multinational airline holding company with its register office. The services are available in IAG is Airline Services, passenger air transport Services, Air freight Services. The headquarters is in UK.

British Airways,Vueling SA, Iberia Express, Fly Level, Aer Lingus, IAG Cargo are subsidiary companies of International Airlines Group.

Centrais Eletricas Brasileiras is a power generation company. The Company operates in the generation, transmission, distribution and trading segments. The Company plans, finances, coordinates, and supervises expansion projects for its subsidiaries. The headquarters is in Brazil.

Cellnex Telecom is a company engaged in the wireless telecommunications business and broadcast infrastructure. Its activities are divided into three segments: broad casting infrastructure, telecom site rental, as well as network services and other. It provides mobile radio-communications to security and emergency bodies, and telecommunication services to other operators. The headquarters is in Spain.

For year ending Dec-2022, annual revenue was 3,247 Million EUR and operating income was 230 Million EUR.

Siemens Gamesa Renewable Energy is a Wind Power Solutions and Engineering company. It is a key player and innovative pioneer in the renewable energy sector and have installed over 105 GW in 75 countries. The company working to provide the worlds best offshore and onshore wind turbines and services. The headquarters is in Spain.

As on 2019, Siemens Gamesa Renewable Energy had 24,500 full-time employees.

Siemens AG acquired all the shares of Siemens Gamesa Renewable Energy (SGRE) held by Iberdrola S.A at 30% premium to past 30 days average. 

Bankinter is a Banking and Financial services company.

The headquarters is in Spain.

As on Sep-2021, Bankinter has had a network of 446 offices.

Mapfre is a Insurance company. It offers friendly service from over 2,000 professionals focused on taking care of you and your family. The company has over 36,000 employees serving over 30 million customers worldwide. It is the 21st largest property casualty Insurer, 20th largest private passenger auto insurer and has a network of more than 5000 independent agents and brokers presence in 14 states. The headquarters is in Spain.

Merlin Properties SOCIMI is a Real Estate Investment Trust company. It is devoted to the acquisition and management of commercial assets in the Iberian Peninsula and listed in the Spanish Stock Exchange. It gross asset value is €12,835 m and gross rental income is €500 m. The headquarters is in Spain.

Pharmaceutical and healthcare company with headquarters is in Barcelona, Spain.