Batelco : Bahrain Telecommunications Company (Batelco) is the principal telecommunications company in the Kingdom of Bahrain. The company is headquartered in Bahrain and is listed on the Bahrain Bourse. It provides services for mobiles through GSM 900 / GSM 1800 / GSM 2100 and LTE 1800 while its residential Internet is an ADSL service.GSM-900 (GPRS, EDGE)
2100 MHz UMTS, DC-HSPA+1800 MHz LTE.
Zain:Zain Group is a mobile telecommunications company founded in 1983 in Kuwait as MTC or Mobile Telecommunications Company, and was later rebranded to Zain in 2007. Zain has commercial presence in 8 countries across the Middle East and North Africa with 44.3 million active customers as of 31 December 2014. It employs over 7000 people. The group CEO is Scott Gegenheimer, who was appointed in December 2012.GSM-900/1800 (GPRS, EDGE)2100 MHz UMTS, HSDPA,1800 MHz LTE ,WiMAX.
Viva: Saudi Telecom Group, (STC; STC Group; STC International) is a Saudi Arabia-based telecommunications company that offers landline, mobile, internet services and Computer network.In Kuwait and Bahrain it is named VIVA.GSM-900/1800 (GPRS, EDGE)2100 MHz UMTS, DC-HSPA+1800 MHz LTE.