MTN: MTN Group, formerly M-Cell, is a South Africa-based multinational mobile telecommunications company, operating in many African, European and Asian countries. Its head office is in Johannesburg. As of 30 September 2015, MTN recorded over 300 million subscribers across its operations.The company sponsored the CAF Champions League football competition as well as APOEL FC, winners of the Cypriot First Division in 2009, 2011, 2013,2014 and participants in the 2009–10 and 2011–12 UEFA Champions League.On 18 March 2010, it was announced that MTN signed a sponsorship deal with English football club Manchester United F.C. GSM-900 MHz.
Sabafon: Sabafon was the first GSM Network operator in Yemen, launched in February 2001. The company organization is represented by, Sheikh Hamid al-Ahmar – the chairman of the company and other management and executive staff (CEO, HR, Technical staff, Sales and maraketing.
Yemen Mobile: Yemen Mobile is a CDMA 2000 network provider founded in Yemen in 2004 by the Yemen ministry of telecommunication and is considered the first CDMA network operator in the Middle East. Yemen Mobile CDMA system is based on the HUAWEI Technologies. According to the 3GPP2 standard, CDMA 2000 system is fully compatible with IS-95 cellular phones, so it is normal that any IS-95 phone is supported by Yemen mobile.In 2012, Yemen mobile implemented ZTE network beside Huawei network as well as using LG-Nortel network in some eastern parts of the country.
HiTS-UNITEL : GSM-900 MHz