Rui Martins Vicente

Rede Eléctrica Nacional SA provides electricity transmission services. It is divided into five operating areas: SEP, Planning, Management, Network and SEI. The firm has the following subsidiaries: RENTELECOM-Comunicações SA and Operador de Mercado Ibérico de Energia SA. The company also owns assets regarding natural gas regulated activities and it incorporated the companies REN Gasodutos SA, REN - Armazenagem SA and REN Atlântico, Terminal de GNL SA. REN was founded in August, 1994 and is headquartered in Lisbon, Portugal.

Instituto de Soldadura e Qualidade provides quality assurance services, technical inspections, non destructive testing, and consultancy services. It offers technical inspection, training and consultancy services in the fields of construction, industry, and sustainable development. The company was founded in 1965 and is headquartered in Porto Salvo, Portugal.