105 selected
- Not filled in
- E Plus
- E-Com Telecom
- E-Z Ring
- E.T. Tel Communications, Inc.
- E.T.Tel Communications
- E1
- Eagle telecom
- Eagle Telecom InternatIonal
- Easi
- East Caribbean Cellular
- Eastern Telecoms
- Easy
- Easy Call International
- Easy Phone Asia
- Easy PhoneCard
- Easy Topworld
- Easy2Call
- Easycall
- Easycomm
- ECI Telecom
- ECO
- ECO World Communications GmbH
- Econet Wireless
- Economat des armées
- Economy
- EconoPhone
- EconoPhone AG
- Econophone Destia
- Econotel
- Ecophoning
- Ecoworld
- EcuaCard
- Eelam
- Eesti Telefon
- Effexor
- Egreta
- Eircell
- Eircom
- Elanet
- Electric Lightwave
- Electrosvyaz
- Elektrosvyaz of Novosibirsk
- ElephantTalk
- Elion
- Elisa
- Embratel
- Emirates Telecommunications Corporation - Etisalat
- EMT
- Emtel
- EMTS
- Encompass
- Enertel
- Enschedé/Sdu
- Entel
- Entel Móvil
- Entreprise des Postes et Télécommunications Luxembourg
- Entrix
- EPS
- EPSON
- Equens
- Era
- Ericsson
- Erotic Lounge
- ErotiSYS
- Esat
- Espanitel
- Esprit Telecom
- ESPRIT Telecom, Plusnet
- ESTN
- Estonian Telephone
- ET
- ET Telecard
- Etecsa
- ETEL
- Etisalat
- Etisat
- ETL Mobile
- ETT
- Euphony
- Euro - Hours
- Euro saver
- Euro Time
- Euro-asia telecom
- Eurocom
- Eurocopter
- Eurodirect
- Eurolink
- Europa Telecomunicazioni
- Europay S.A.
- Europe Calling
- European Financial Marketing Association
- Eurotelecom business
- Eutel
- Excel
- Excell Afrique
- Exchange Card
- Exel
- Expercom
- Express
- Exxon
- EZ Phone
- Ezi Pay
- Ezi Phonecard pty, limited
- EziPhone
- Ezys