Gorraiz, Olaz, Alzuza, Egüés and partly also Badostain have grown as residential suburbs of single-family houses. Sarriguren is being developing as a residential suburb of apartment housing. There are also several industrial parks. Sarriguren is leading in Navarre the increasingly important sector of renewable energy technologies; it is seat of the National Center for Renewable Energies (CENER)[2] and of Acciona Energía. The Museo Oteiza is in Alzuza.