| Afghanistan | Telecom Development Company Afghanistan Ltd |
| Andorra | Servei De Tele DAndorra |
| Antigua & Barbuda | Antigua Public Utilities Authority-APUA |
| Australia | Hutchison 3G Australia Pty Limited |
| Australia | Singtel Optus Limited |
| Australia | Telstra Corporation Limited |
| Australia | Vodafone Pacific Limited |
| Austria | Mobilkom Austria AG |
| Austria | Tele2 Austria |
| Austria | Orange Austria Telecommunication GmbH |
| Austria | T-Mobile Austria GmbH |
| Azerbaijan | Bakcell Ltd |
| Bahamas | The Bahamas Telecommunications Company Ltd |
| Bahrain | Bahrain Telecommunications Company |
| Belgium | Belgacom Mobile |
| Belgium | Mobistar SA |
| Belgium | KPN Group Belgium NV SA |
| Bermuda | M3 Wireless Ltd |
| Bosnia Herzegovina | Public Enterprise Croatian Telecom Ltd |
| Bosnia Herzegovina | RS Telecommunications JSC Banja Luka |
| Brazil | TIM Celular SA |
| British Virgin Islands | Cable & Wireless (West Indies) Limited |
| Bulgaria | Bulgarian Telecommunications Company AD |
| Bulgaria | Mobiltel EAD |
| Cambodia | Mfone Co Ltd |
| Canada | Rogers Wireless Inc |
| Cayman Islands | Digicel (Cayman) Limited |
| Colombia | Telefonica Moviles Colombia SA |
| Croatia | VIPnet doo |
| Croatia | T-Mobile Croatia LLC |
| Cyprus | Cyprus Telecommunications Auth |
| Czech Republic | T-Mobile Czech Republic as |
| Czech Republic | Telefonica O2 Czech Republic as |
| Czech Republic | Vodafone Czech Republic as |
| Denmark | Sonofon |
| Denmark | Tele2 Denmark |
| Denmark | TDC AS |
| Denmark | Telia Nattjanster Norden AB |
| Dominica | Wireless Ventures (Dominica) Ltd |
| Egypt | Vodafone Egypt Telecommunications SAE |
| Faroe Islands | Faroese Telecom |
| Finland | Alands Mobiltelefon Ab |
| Finland | DNA Finland Ltd |
| Finland | Elisa Corporation |
| Finland | Telia Sonera Finland Oyj |
| France | Bouygues Telecom |
| France | Orange France |
| France | SFR |
| Georgia | Geocell Ltd |
| Germany | E-Plus Mobilfunk GmbH & Co KG |
| Germany | Telefonica O2 Germany GmbH & Co OHG |
| Germany | Vodafone D2 GmbH |
| Germany | T-Mobile Deutschland GmbH |
| Gibraltar | Gibraltar Telecommunications Int Ltd |
| Greece | Cosmote - MobileTelecommunications SA |
| Greece | Vodafone-Panafon |
| Greece | Wind Hellas Telecommunications SA |
| Guernsey | Cable & Wireless Guernsey Ltd |
| Hong Kong | Hutchison Telecom (HK) Ltd |
| Hong Kong | CSL Limited |
| Hong Kong | SmarTone Mobile Communications Limited |
| Hong Kong | China Mobile Hong Kong Company Limited |
| Hong Kong | Hong Kong CSL Limited |
| Hong Kong | Hong Kong Telecommunications Co Ltd |
| Hungary | Pannon GSM Telecommunications |
| Hungary | Magyar Telekom Plc |
| Hungary | Vodafone Hungary Ltd |
| Iceland | Siminn hf |
| India | Bharti Airtel Limited (Andhra Pradesh) |
| India | Bharti Airtel Limited (Kolkota) |
| India | Bharti Airtel Limited (Punjab) |
| India | BPL Mobile Communications Ltd |
| India | Bharti Airtel Limited (Delhi) |
| India | Vodafone Essar East Limited (Kolkata) |
| India | Vodafone Essar Limited (Mumbai) |
| India | Vodafone Essar Gujarat Limited |
| India | Vodafone Essar Mobile Services Limited (Delhi) |
| Indonesia | PT Indonesian Satellite Corporation Tbk (INDOSAT) |
| Iran | Irancell Telecommunications Services Company |
| Iraq | Asiacell Communications LLC |
| Ireland | Hutchison 3G Ireland Limited |
| Ireland | Meteor Mobile Telecommunications Limited |
| Ireland | O2 Communications (Ireland) Ltd |
| Ireland | Vodafone Ireland Ltd |
| Isle | of ManManx Telecom |
| Israel | Cellcom Israel Ltd |
| Israel | Partner Communications Company Ltd |
| Italy | H3G |
| Italy | Telecom Italia SpA |
| Italy | Vodafone Omnitel NV |
| Italy | Wind Telecomunicazioni SpA |
| Jamaica | Digicel (Jamaica) Ltd |
| Japan | SoftBank Mobile |
| Jersey | Jersey Telecom |
| Kazakhstan | GSM Kazakhstan Ltd |
| Kenya | Celtel Kenya Limited |
| Kosovo | iPKO NET |
| Kuwait | Mobile Telecommunications Co |
| Kuwait | National Mobile Telecommunications Co |
| Latvia | Latvian Mobile Telephone Co |
| Liechtenstein | TANGO Liechtenstein |
| Liechtenstein | Orange (Liechtenstein) AG |
| Liechtenstein | Mobilkom (Liechtenstein) AG |
| Lithuania | Omnitel |
| Luxembourg | P & T Luxembourg |
| Luxembourg | TANGO Mobile SA |
| Macau | CTM |
| Malaysia | Celcom (Malaysia) Sdn Bhd |
| Malaysia | DiGi Telecommunications Sdn Bhd |
| Malaysia | Maxis Communications Berhad |
| Malta | Vodafone Malta Limited |
| Malta | Mobisle Communications Limited |
| Mauritius | Cellplus MobileCommunications Ltd |
| Mexico | Pegaso PCS SA de CV |
| Montenegro | MTEL DOO Podgorica |
| Morocco | IAM |
| Mozambique | VM SARL |
| Namibia | MTC Namibia |
| Netherlands | Orange Nederland NV |
| Netherlands | T-Mobile Netherlands |
| Netherlands | Tele2 Netherlands |
| Netherlands | Telfort BV |
| Netherlands | Vodafone Libertel BV |
| Netherlands | KPN BV |
| New Zealand | Vodafone Mobile NZ Limited |
| New Zealand | Telecom New Zealand Limited |
| Nigeria | MTN Nigeria Communications Limited |
| Norway | Netcom AS |
| Norway | Tele2 Norway |
| Norway | Telenor Mobil |
| Oman | Oman Telecommunications Company |
| Oman | Omani Qatari TelecommunicationsCompany SAOC |
| Papua New Guinea | Digicel PNG Ltd |
| Paraguay | AMX Paraguay SA |
| Peru | America Movil Peru SAC |
| Philippines | Globe Telecom |
| Philippines | Smart Communications Inc |
| Poland | PTK Centertel |
| Poland | Polkomtel SA |
| Poland | Polska Telefonia Cyfrowa |
| Portugal | Optimus Telecomunicacoes SA |
| Portugal | Sonaecom - Servicos de Comunicacoes SA |
| Portugal | TMN |
| Portugal | Vodafone Portugal |
| Romania | Cosmote Romanian MobileTelecommunications SA |
| Romania | Orange Romania SA |
| Romania | Vodafone Romania SA |
| Russia | Mobile TeleSystems (MTS) |
| Russia | MegaFon Open Joint Stock Company |
| Russia | OJSC VimpelCom |
| Russia | Tele2 Russia |
| Saint Vincent & The Grenadines | Digicel (St.Vincent&Grenadines) Limited |
| Saudi Arabia | Saudi Telecom Company (STC) |
| Serbia | Telekom Srbija |
| Serbia | Telenor doo |
| Seychelles | Cable & Wireless (Seychelles) |
| Sierra | LeoneCeltel (SL) Limited |
| Singapore | StarHub Mobile Pte Ltd |
| Singapore | MobileOne Ltd |
| Singapore | Singapore Telecom Mobile Pte Ltd |
| Slovakia | Orange Slovensko as |
| Slovakia | T-Mobile Slovensko as |
| Slovenia | Mobitel DD |
| Slovenia | SI Mobil dd |
| South Africa | Cell C (Pty) Ltd |
| South Africa | MTN - Mobile Telephone Networks (Pty) Ltd |
| South Africa | Vodacom Group Pty Ltd |
| Spain | France Telecom Espana SA (Orange) |
| Spain | Telefonica Moviles Espana SA |
| Spain | Vodafone Espana SA |
| Spain | simyo |
| Spain | Lycamobile |
| Sri Lanka | Dialog Telekom Ltd |
| Sweden | Telia Sonera Mobile Networks AB Sweden |
| Sweden | Tele 2 AB |
| Sweden | Telenor Sverige AB |
| Switzerland | Orange Communications SA |
| Switzerland | Swisscom (Switzerland Ltd |
| Switzerland | Sunrise Communications AG |
| Taiwan | Chunghwa Telecom |
| Tanzania | Vodacom Tanzania Limited |
| Thailand | Advanced Info Service PLC |
| Thailand | Total Access Communications Co |
| Thailand | True Move Company Limited |
| Tunisia | Orascom Telecom Tunisie |
| Tunisia | Tunisie Telecom |
| Turkey | Turkcell Iletisim Hizmetleri AS |
| Turkey | Avea Iletisim Hizmetleri AS |
| Turkey | Vodafone Telekomunikasyon AS |
| UAE | Emirates Telecom Corp-ETISALAT |
| UAE | Emirates Integrated Telecommunications Company PJSC (DU) |
| Ukraine | Ukrainian Mobile Communications |
| Ukraine | Astelit LLC |
| UK | Orange PCS Ltd |
| UK | T-Mobile (UK) Limited |
| UK | VODAFONE Ltd |
| UK | Hutchison 3G UK Ltd |
| UK | Telefonica O2 UK Limited |
| USA | Commnet Wireless LLC |
| USA | T-Mobile USA Inc |
| USA | AT&T Mobility |
| USA | Dobson Communications Corporation |
| Worldwide | Thuraya Satellite Telecommunications Co |
