Pedro Antonio Sigüenza Hernández

Sufi SA provides waste management and environmental services. Its services can be grouped under water treatment, alternative energies, multiservices and environment services. Its activities include development, execution, maintenance & management of clean energy generation systems, service areas on highways, integrated property management and cleaning of buildings, premises, streets, beaches as well as wastepaper bins. The company is present in Spain, Portugal and China. Sufi SA was founded in 1982 and is headquartered in Madrid, Spain

Part of Sacyr SA, Sacyr Somague SA is a Portuguese heavy construction company. The company is based in Sintra, Portugal.