1.951 ausgewählt
- Nicht ausgefüllt
- Hrvatska Pošta i Telekomunikacije
- Hrvatska Pošta i Telekomunikacije Mostar
- Hrvatski Kolekcionar Rijeka
- Hrvatski Telekom
- HSB Cards & Card systems
- HT
- HT halo
- HT mobile
- Hungarotantus
- Hürriyet mobil
- Hutch
- Hutchison Global Communications
- Hutchison Telecom
- Hypernova
- I Call
- I-Tel
- I.N.A. Friends Call
- I.P.C.+
- I.T.S.C.,USA.
- IBasis
- IBM
- Icall
- ICE
- ICETEL
- ICI
- ICS, Inc,
- IDC
- Idd
- IDL, Inc.
- IDT
- IDT Mobile
- Ihre Post
- ILD Telecommunications, Inc.
- ILD Teleservices Inc.
- ILK
- IM3
- Immersat
- Imperial
- Impulz Slovenije
- In Touch Telecom
- INC
- Incard
- Incomm
- Indosat
- Infineer
- Info Sphere
- Infostrada
- ING Bank
- Int'l Comm
- Integrity Telecom, Inc.
- Intelcam
- INTELCOM San Marino
- Intellicall Operator Services, Inc.
- Inten Communications
- Inter Com GmbH
- Inter Globe
- Inter Terminal
- Intercall
- Intercarte International
- Interchat
- Intercity
- InterEGI
- Interfracom
- Interglobe
- Interglobe Worldwide Telecommunications Network
- Interglobo
- Interlink
- Interlink Telecomminivations, Inc.
- International Database Communications
- International Discount Telecommunications
- International Dutch Telecom
- International Fun & Games LTD
- International pre-paid company
- International Seafarers
- International Telecom Japan
- International Telecom, Inc.
- International Telecommunication Group
- International TeleLink
- Internet Telecom
- Internetsystem
- interoute
- Interpay
- Intertel S.A.
- InTouch Telecom
- Intracom
- InVox
- IOH
- IPS
- Iradium
- Iran Telecom
- Isicall
- Island
- Isra Phone
- IT&T Communicatie
- ITA
- ITCN
- ITDI
- Itelsa
- ITG
- ITN World
- ITPC
- ITS
- IZI
- J-Phone
- J-Phone - Vodafone
- Jabatan Telekom Brunei
- Jadran Turist
- Jamaica Telecom
- Japan Aviation Electronics Industry
- JazzTel
- JDS
- Jersey Telecom
- Jersey Telecom Mobile
- Jersey Telecoms
- Jitong
- Joh. Enschedé en Zonen
- JPP
- Jumbo
- Jyds
- Jydsk Telefon
- K-Mon
- K.P. Telecom-Center
- Kaiser
- Kalam
- Kars Unlimited
- Karta telefoniczna TP
- Karthigan
- Kast telecom
- Kazakhtelecom
- KDD
- Kencell
- Kertel
- Khabarovsk Telecommunications
- Khyber
- Kigb
- KinCall
- King Asia
- King Telecom
- Kirgizië Telecom
- Kirov Elektro Svyaz
- Klavertel
- KLM
- Kodak
- Kohinoor Communications GmbH
- KOM
- Komet Telecommunications
- Kompak
- Konecta 2
- Korea Telecom
- Korea Telecommunication Authority
- Kosmos
- Kosmos Telecom
- KP Telecom
- KPMG
- KPN Riscom OmniCard BV
- KPN Telecom
- KPTC
- Kring
- Kruidvat mobiel
- Kt cardel
- Ktas
- Ktel card
- KTM
- Kubanelectrosvyaz - Sochi
- Kwépé!
- Kyrgyz Telecom
- L' office des telephones
- L'ONPT du Congo
- L.C.L.
- L.L.C.
- La Bomba
- Lacis Groep
- Landis & Gyr
- Lanka Pay Phones
- Lansdowne Voice Systèmes Ltd
- Lao Telecom
- Lao Telecommunications Co, Ltd
- LastDodo
- Lattelekom
- LCC
- LDDS Metromedia
- LDDS Worldcom
- LDTeleCom
- Le Service des Postes et Télécommunications de Wallis et Futuna
- Leader Communications
- Lebanon Power
- Lebara
- Lebara Mobile
- Lenso
- Lesotho Telecoms Corporation
- LG
- LG Telecom
- Liberfone
- Liberia Phone
- Libertel
- Libertis Telecom
- Lider
- Lidl
- Lietuvos Telekomas
- Light Technologies
- Link
- Lion Card
- Lipetskelectrosvyaz
- Liqin Group
- LMB Greencard
- Logicom
- LogoFon Inc.
- Loko
- Los Angeles International Airport
- Lucent Technologies
- Lwg.com
- Lyca mobile
- LycaTel
- Lynx
- Lyonnaise communications
- M1
- Mabuhay
- Maghreb
- Magictel.com
- Magyar Posta
- Mahanagar Telephone Mauritius Limited
- Makedonski telekomunikacii
- Malawi Telecom
- Malitel
- Maltacom
- Mannesmann
- Manx
- Manx Telecom
- Maps Telecom
- Maraton
- Marconi Comunicações Globias
- Maroc
- Maroc Telecom
- Master
- Mastercom
- Matáv
- Matrix
- Mauritius Telecom
- Maurius tèlècom
- Max Mobil
- Max Tel
- Maxi
- Maxi Afrique
- Maxis
- Maxminutos
- MC & C Telecom
- MCC
- MCI
- MCI Communications
- MCI International, Inc.