Rui Ferreira Vieira de Sá

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

Administração e Gestão de Sistemas de Salubridade SA provides water supply services. It focuses on the preservation of the environment, acting throughout the entire water cycle. The company's activities range from consultancy and development of specialized engineering services to the management, operation and maintenance of urban water systems and treatment facilities. The company is headquartered in Porto Salvo, Portugal.

Part of Sacyr SA, Somague SGPS SA is a construction services provider. The company is based in Sintra, Portugal. Somague was founded in 1947 and was acquired by Sacyr SA on August 13, 2004 for $16.53 million.

Concessionária de Estradas Viaexpresso da Madeira SA engages in exploration and maintenance of highways. Its services include control center, traffic counter, patrolling, and assistance. The company was founded on January 13, 2004 and is headquartered in Funchal, Portugal.