José María Aracama Yoldi

Cementos Portland Valderrivas SA engages in cement and building materials manufacturing and has interests in real estate and financial services. It operates through the following segments: manufacture and sale of cement, concrete, aggregates, mortar and others. The company was founded in 1903 and is headquartered in Pamplona, Spain.

Siemens Gamesa Renewable Energy SA engages in the provision of renewable energy services. It operates through the Wind Turbine and Operations Maintenance segments. Its products and services include onshore and offshore wind turbines and service wind. The company was founded by Juan Luis Arregui Ciarsolo on January 28, 1976 and is headquartered in Vizcaya, Spain.

Cementos Alfa SA manufactures and distributes cement, concrete, and mortar products. These include gray, white, and waterproof variants, which are available in bags and in bulk. They also offer transportation and dispensing equipment. The firm was founded in 1930, and ios based in Santander, Spain

Uniland Cementera SA manufactures and distributes cement. Its products include clinker, low-alkali clinker, and landfort variants. The company is headquartered in Barcelona, Spain.

Cementos Lemona SA manufactures and markets construction materials. The firm was founded in 1917, and is based in Bilbao, Vizcaya.

Corporación Uniland SA manufactures cement, concrete, mortar and aggregates. The company has operations in Spain, where it runs two cement factories, around 25 concrete plants, about 10 aggregate quarries and 10 mortar plants. It also operates factories in Tunisia, Argentina, the UK and Uruguay. Corporación Uniland was founded in 1973 with the merger of Cementos Fradera SA and Cementos y Cales Freixa SA and is headquartered in Barcelona, Spain.

Sociedad de Desarrollo de Navarra SL (Sociedad de Desarrollo de Navarra) is a private equity and venture capital arm of Corporación Pública Empresarial de Navarra SLU founded in 1984. The firm is headquartered in Pamplona, Spain.

Natural Climate Systems SA is a holding company engaged in the design, construction, and promotion of energy-efficient living spaces. The company was founded on May 23, 2001 and is headquartered in Pamplona, Spain.

Parque de la Naturaleza de Navarra SA operates as an amusement and nature park. Its attractions include a zoo, amusement rides, restaurants, a green house, circus performance shows, and natural scenery. The firm offers day trip packages to schools, individuals, and groups. The company was founded in 2001 and is headquartered in Arguedas, Spain.