Juan Luis Arregui Ciarsolo

Part of Turina 2000 SL, Retos Operativos XXI SL is a private investment vehicle. The company is based in Vitoria-Gasteiz, Spain.

Cartera Industrial REA SA engages in the investment in portfolio of companies. The company was founded on May 13, 1964 and is headquartered in Madrid, Spain.

Grupo Guascor is an industrial corporation committed with the sustainable energy. It is based on renewable energy and power systems, with a large experience and know how in Distributed Generation applications. Its technologies cover a broad range of energy sources, positioning themselves as one of the few global companies capable to provide complete answers in the renewable energy and efficient use of energy. Within GRUPO GUASCOR they are convinced that the only way to reach and maintain a leadership position in products and applications provided to the market is through a constant effort in research and development activities.

Gamesa SA is a Spanish company that manufactures and distributes wind turbines, wind farms, photovoltaic plates and other related products. The private company is based in Vitoria, Spain. The company was founded by Juan Luis Arregui Ciarsolo.