Fernando Perea Samarra

Corporación CLD Servicios Urbanos de Tratamiento de Residuos SL operates as a sanitation services provider company. The firm provides sanitation services like road sweeping, street cleaning, integrated management of sewage, emptying dustbins, maintenance of green areas and waste management. The company was founded in 1930 and is headquartered in Barcelona, Spain.

COMSA Corporación de Infraestructuras SL engages in the provision of engineering and construction services. It mainly operates in the fields of infrastructures and industrial engineering; services and technology; and concessions and renewable energy. Its projects include railway infrastructures, infrastructures civil works, aggregate and precast concrete, engineering, maintenance and services, environment, and machinery. The company was founded in 1891 and is headquartered in Barcelona, Spain.

Sociedad General De Aguas De Barcelona SA engages in the collection, purification, and distribution of water. The company was founded on June 19, 1867 and is headquartered in Madrid, Spain.

EMTE SA provides engineering services to the power and telecommunications sectors. The company was founded in 1961 and is headquartered in Esplugues de Llobregat, Spain.