| Telecom Development Company Afghanistan Ltd. |
| Orascom Telecom Algerie Spa |
| Servei De Tele. DAndorra |
| Antigua Public Utilities Authority-APUA |
| Hutchison 3G Australia Pty Limited |
| Singtel Optus Limited |
| Telstra Corporation Limited |
| Vodafone Pacific Limited |
| Tele2 Austria |
| T-Mobile Austria GmbH |
| Mobilkom Austria AG |
| Orange Austria Telecommunication GmbH |
| Bakcell Ltd. |
| The Bahamas Telecommunications Company Ltd |
| Bahrain Telecommunications Company |
| Belgacom Mobile |
| Mobistar S.A. |
| KPN Group Belgium NV SA |
| M3 Wireless Ltd |
| RS Telecommunications JSC Banja Luka |
| Public Enterprise Croatian Telecom Ltd. |
| TIM Celular S.A. |
| Mobiltel EAD |
| Bulgarian Telecommunications Company AD |
| Mfone Co. Ltd |
| Rogers Wireless Inc |
| Digicel (Cayman) Limited |
| Telefonica Movil de Chile |
| China Mobile |
| China Unicom |
| Telefonica Moviles Colombia S.A. |
| T-Mobile Croatia LLC |
| VIPnet d.o.o. |
| Empresa de Telecommunicaciones de Cuba SA (ETECSA) |
| Cyprus Telecommunications Auth |
| T-Mobile Czech Republic a.s. |
| Vodafone Czech Republic a.s. |
| Telefonica O2 Czech Republic a.s.. |
| Tele2 Denmark |
| Telia Nattjanster Norden AB |
| TDC AS |
| Telenor A S |
| Wireless Ventures (Dominica) Ltd. |
| Vodafone Egypt Telecommunications S.A.E |
| Elisa Eesti AS |
| Faroese Telecom |
| Alands Mobiltelefon Ab |
| Elisa Corporation |
| TeliaSonera Finland Oyj |
| DNA Ltd |
| Bouygues Telecom |
| Orange France |
| SFR |
| Geocell Ltd |
| T-Mobile Deutschland GmbH |
| Vodafone D2 GmbH |
| Telefonica o2 Germany GmbH & Co.OHG |
| E-Plus Mobilfunk GmbH & Co. KG |
| Zain Communications (Ghana) Limited |
| Gibtelecom Limited |
| Cosmote - Mobile Telecommunications S.A. |
| Vodafone-Panafon |
| Wind Hellas Telecommunications S.A. |
| TELE Greenland AS |
| Cable & Wireless Guernsey Ltd |
| Hong Kong CSL Limited |
| Hutchison Telecom (HK) Ltd |
| SmarTone Mobile Communications Limited |
| CHINA MOBILE HONG KONG COMPANY LIMITED |
| CSL Limited |
| Hong Kong Telecommunications (HKT) Limited |
| Pannon GSM Telecommunications |
| Vodafone Hungary Ltd |
| Magyar Telekom Plc |
| Siminn hf |
| Bharti Airtel Limited (Andhra Pradesh) |
| Bharti Airtel Limited (Delhi) |
| Bharti Airtel Limited (Kolkota) |
| Bharti Airtel Limited (Punjab) |
| Vodafone Essar East Limited (Kolkota) |
| Vodafone Essar Limited (Mumbai) |
| Vodafone Essar Mobile Services Limited (Delhi) |
| Vodafone Essar Gujarat Limited |
| Loop Mobile (India) Limited |
| PT Indonesian Satellite Corporation Tbk (INDOSAT) |
| PT Natrindo Telepon Seluler |
| Irancell Telecommunications Services Company |
| Asiacell Communications LLC |
| Hutchison 3G Ireland limited |
| Meteor Mobile Telecommunications Limited |
| O2 Communications (Ireland) Ltd |
| Vodafone Ireland Ltd. |
| Manx Telecom |
| Cellcom Israel Ltd |
| Partner Communications Company Ltd |
| H3G |
| Vodafone Omnitel N.V. |
| Wind Telecomunicazioni SpA |
| Telecom Italia SpA |
| Digicel (Jamaica) Limited |
| NTT DoCoMo Inc |
| SOFTBANK MOBILE Corp. |
| Jersey Telecom |
| GSM Kazakhstan Ltd |
| Celtel Kenya Limited. |
| iPKO NET |
| Mobile Telecommunications Co. |
| National Mobile Telecommunications Co. |
| Latvian Mobile Telephone Co |
| MIC 1 |
| Mobilkom (Liechtenstein) AG |
| Orange (Liechtenstein) AG |
| TANGO Liechtenstein |
| Omnitel |
| P & T Luxembourg |
| TANGO Mobile SA |
| CTM |
| Hutchison Telephone (Macau) Company Ltd |
| Celcom (Malaysia) Sdn Bhd |
| DiGi Telecommunications Sdn Bhd |
| Maxis Communications Berhad |
| Mobisle Communications Limited |
| Vodafone Malta Limited |
| Cellplus Mobile Communications Ltd. |
| Radiomovil Dipsa SA de CV (TELCEL) |
| Pegaso PCS S.A. de C.V. |
| MTEL D.O.O. Podgorica |
| IAM |
| VM S.A.R.L. |
| MTC Namibia |
| Nepal Telecom |
| Orange Nederland N.V. |
| Tele2 Netherlands |
| Telfort B.V. |
| Vodafone Libertel B.V. |
| T-Mobile Netherlands B.V |
| KPN B.V. |
| Vodafone Mobile NZ Limited |
| Telecom New Zealand Limited |
| MTN Nigeria Communications Limited |
| Netcom AS |
| Tele2 Norway |
| Telenor Mobil |
| Oman Telecommunications Company |
| Omani Qatari Telecommunications Company SAOC |
| Warid Telecom (PVT) Ltd |
| Digicel PNG Ltd. |
| AMX Paraguay S.A. |
| America Movil Peru S.A.C |
| Globe Telecom |
| Smart Communications Inc |
| Polkomtel S.A. |
| Polska Telefonia Cyfrowa |
| PTK Centertel |
| TMN |
| Vodafone Portugal |
| Sonaecom - Servicos de Comunicacoes S.A |
| Cosmote Romanian Mobile Telecommunications S.A. |
| Orange Romania SA |
| Vodafone Romania S.A. |
| Mobile TeleSystems (MTS) |
| OJSC VimpelCom |
| Tele2 Russia |
| Digicel (St. Vincent&Grenadines) Limited |
| Thuraya Satellite Telecommunications Company |
| Saudi Telecom Company (STC) |
| Telekom Srbija |
| Telenor d.o.o. |
| Cable & Wireless (Seychelles) |
| Celtel (SL) Limited |
| MobileOne Ltd |
| Singapore Telecom Mobile Pte Ltd |
| StarHub Mobile Pte Ltd |
| Orange Slovensko a.s. |
| Telefonica O2 Slovakia s.r.o. |
| T-Mobile Slovensko a.s. |
| Mobitel D.D. |
| SI.MOBIL d.d. |
| Cell C (Pty) Ltd |
| MTN - Mobile Telephone Networks (Pty) Ltd. |
| Vodacom Group Pty Ltd. |
| Telefonica Moviles Espana S.A. |
| simyo |
| Lycamobile |
| Vodafone Espana S.A.U. |
| France Telecom Espana SA |
| Dialog Telekom PLC |
| Tele 2 AB |
| Telenor Sverige AB |
| TeliaSonera Mobile Networks AB Sweden |
| Orange Communications SA |
| Sunrise Communications AG |
| Swisscom (Switzerland) Ltd |
| Chunghwa Telecom |
| Vodacom Tanzania Limited |
| Advanced Info Service PLC |
| Total Access Communications Co |
| True Move Company Ltd |
| Orascom Telecom Tunisie |
| Tunisie Telecom |
| Avea Iletisim Hizmetleri A.S. |
| Turkcell Iletisim Hizmetleri A.S. |
| Vodafone Telekomunikasyon A.S |
| Astelit LLC |
| Ukrainian Mobile Communications |
| Emirates Telecom Corp-ETISALAT |
| Emirates Integrated Telecommunications Company PJSC |
| Hutchison 3G UK Ltd |
| Orange PCS Ltd |
| T-Mobile (UK) Limited |
| VODAFONE Ltd |
| Telefonica O2 UK Limited |
| AT&T Mobility |
| Commnet Wireless LLC |
| Dobson Communications Corporation |
| T-Mobile USA Inc |
| Unitel LLC |
| Vietnam Telecom Services Company (GPC) |
| Cable & Wireless (West Indies) Limited |