Tel2Iran.com
Provides long distance phone services with access numbers, phone cards, web-2-phone and fixed line to call Iran.

Iran Central - Faragostar Communication Company
Offers a wide range of solutions and services, such as VSAT, Satellite based Internet-working, web and email filtering, wireless LANs and ISP services.

Ericsson - Iran
Ericsson is a provider of telecommunications equipment and related services to mobile and fixed network operating in Iran.