Orange: Orange S.A., formerly France Télécom S.A., is a French multinational telecommunications corporation. It currently employs about 170,000 people, 105,000 of them in France, and has 263 million customers worldwide. In 2012, the group had revenue of €43.5 billion. Its head office is in the 15th arrondissement of Paris, and the current CEO is Stéphane Richard. The company is a component of the Euro Stoxx 50 stock market index.Orange has been the company’s main brand for mobile, landline, internet and IPTV services since 2006. The brand originated in 1994 when Hutchison Whampoa acquired a controlling stake in Microtel Communications during the early 1990s and rebranded it as Orange. It became a subsidiary of Mannesmann in 1999 and was acquired by France Télécom in 2000. The company was rebranded as Orange in July 2013.GSM-900,2100 MHz UMTS.
Tigo: Millicom is an international telecommunications and media company. It offers a range of digital services to more than 63 million customers primarily under the Tigo brand in fourteen markets in Africa and Hispanic America. Its online partnerships are active in more than 40 markets. Millicom was one of the earliest pioneers of mass consumer mobile telephony and was formed in 1990 when Millicom Incorporated merged with the Swedish investment company Industri for valtnings AP Kinnevik. Since then, the firm has seen annual revenue grow to $7.2 billion, driven mainly by mobile phone services and, increasingly, by data, with an expanding portfolio of cable, satellite, broadband, e-commerce, Mobile Financial Services, B2B and other media.GSM-900,UMTS, HSPA+.
Expresso: Expresso is an African telecommunications services company. It’s provides telecommunication services in five African markets: Mauritania, Senegal, Guinea, Ghana and Nigeria. Expresso offers a wide range of products and services to meet the needs of customers. Expresso is a key player in the implementation of the Africa Coast to Europe (ACE) submarine cable. Sudatel owns 75% of the total Expresso shares.In 2006, Mauritania’s Chinguitel was Expresso’s first ‘green field’ operation, acquiring a licence to operate as a telecom operator. Sudatel share in Chinguitel is 68%.By August 2007, Chinguitel established a CDMA network, providing full coverage across the country. CDMA,GSM-900/1800,UMTS.