Duarte Maria de Almeida e Vasconcelos C.

Part of NOS SGPS SA, Teliz Holding BV is a holding Dutch company with interests in the telecommunication sector. The company is based in Sittard-Geleen, Netherlands. Teliz Holding was acquired by NOS SGPS SA on March 25, 2009.

Lusomundo - Sociedade de Investimentos Imobiliários SGPS SA engages in investments in real estates. The company is headquartered in Lisbon, Portugal.

Part of NOS SGPS SA, Zon TV Cabo Portugal SA is a Portuguese television broadcasting company. The company is based in Lisbon, Portugal.

NOS Madeira Comunicações SA provides telecommunication services. It is operating in the areas of distribution of cable television and cable internet services. The firm in addition to television services also provides access to fixed broadband internet, through the brand Netmadeira (service started in 1999). Its Portal Netmadeira is also a leader in the region, and in its development and enhancement of NET coverage using Wi-Fi, two priorities of the company. ZON TV Cabo's products include Net12, Net15, Net30 and ZON FIBRA. The company was founded in September 1992 and is headquartered in Funchal, Portugal.

NOS Açores Comunicações SA provides telecommunication and entertainment services through network cable and digital satellite platforms. It offers Internet, VoIP and mobile telecommunication services. The company was founded in October 1992 and is headquartered in Ponta Delgada, Portugal.