Child Industry:
- Telephone Communications, Except Radiotelephone (except resellers) ,
- Telegraph and Other Message Communications
Organizations in this industry:
- Tele2 AB ,
- China Telecom ,
- Nippon Telegraph and Telephone ,
- Swisscom ,
- AT&T ,
- Ingenio ,
- Verizon Communications ,
- France Télécom ,
- Telefónica ,
- Telefonica De Argentina SA
