Zain Bahrain - MTC Vodafone Bahrain
Major GSM mobile phone operator in Bahrain. Also pre-paid cards.

Viva, Bahrain New!
Mobile telecommunications operator and Internet service provider in Bahrain.

Telecommunications Regulatory Authority (TRA), Bahrain
Independent body with duties and powers include protecting the interests of subscribers and users, and promoting effective and fair competition among established and new licensed operators.