Sacyr Vallehermoso is a Spanish construction company founded in 1986, headquartered in Madrid, with over 20,000 employees and a turnover of 3,614 million euros in 2012.

Fomento de Construcciones y Contratas (FCC) is a Spanish construction company founded in 1900 and headquartered in Barcelona. Fomento de Construcciones y Contratas is a Spanish construction company founded in 1900 and headquartered in Barcelona.

Acciona is a Spanish conglomerate founded in 1997 and headquartered in Alcoventas, Madrid. Acciona is involved in the fields of energy, transportation, and construction, providing services in infrastructure construction, desalination, and renewable energy.

Abengoa is a Spanish multinational company founded in 1941 and headquartered in Seville, involved in industries such as renewable energy and telecommunications, with products such as solar and biological equipment, power stations, and telecommunications networks.

Grifols is a Spanish chemical and pharmaceutical company founded in 1940 and headquartered in Barcelona, which manufactures serum-related products such as human albumin.

Xcel Energy, a leading Spanish utility holding company headquartered in Minneapolis, Minnesota, is dedicated to serving more than 3.3 million electric and 1.8 million natural gas customers with three subsidiaries, NSP, PSCo and SPS, and is ranked in the 2014 Global Business 2000. NSP, PSCo and SPS are ranked 557th on the 2014 Global 2000;

WudaTime:Online Enterprise Project Management Platform is a free project management tool based on the Web platform, which allows you to easily complete a variety of time management work to improve efficiency, which is actually a super simple time management application, very suitable for small and medium-sized entrepreneurial enterprises.

WudaTime was created to Help customers improve and optimize their production processes with a minimalist presentation model that allows you to manage your project progress, see work progress at a glance, and logically combine complex project progress and work progress tracking in the most simplified way.

Red Eléctrica, the Spanish public electricity provider, partly state-owned, was founded in 1985; it was ranked 1,158th in the Global 2000 in 2014.

Abertis Infraestructuras (also known as: Abertis) is a famous Spanish multinational group, founded in 1967, whose business covers transportation, communication and logistics, including toll roads, communication infrastructure, airports, parking lots and logistics parks.

Gamesa Corporación Tecnológica is a world-renowned wind power equipment supplier founded in 1976 and headquartered in Zamudio, mainly engaged in wind turbine manufacturing and wind farm construction, etc. In June 2016, the acquisition of Gamesa was announced.

Bolsa de Madrid (Madrid Stock Exchange) is the largest stock exchange in Spain and is part of the Spanish Stock Market Corporation.

Enagás, S.A. (Empresa Nacional del Gas) is a Spanish natural gas company headquartered in Madrid, founded by the Spanish government in 1975 and privatized in 1994, whose main activity is the storage and transportation of natural gas.

Jumbo Chups (Chupa Chups; doubly good) is a Spanish candy brand, founded in 1958, based in Barcelona, mainly produces lollipops, now belongs to Perfetti Van Melle candy company (Perfetti Van Melle).

Acerinox is a Spanish steel company founded in 1970 and headquartered in Madrid. Acerinox mainly produces stainless steel and is one of the largest stainless steel manufacturers in the world.