Muhterem Terzioglu

VEON Holdings BV operates as a financial holding company with interests in connectivity and Internet services. The company is headquartered in Amsterdam, the Netherlands.

Vimpel-Communications PJSC provides wireless telecommunication services. It offers mobile and fixed-line telephony, Internet access, digital television, and data transmission. The company was founded by Dmitriy Borisovich Zimin and Augie K. Fabela II in June 1992 and is headquartered in Moscow, Russia.

GSM Association functions as a association representing interest of mobile operators. It offers programs and advocacy initiatives including future networks, identity, and internet of things, industry purpose, mobile for development, spectrum and the mobile economy. The company was founded in 1982 and is headquartered in London, the United Kingdom.

Pakistan Mobile Communications Ltd. provides voice and data services. The firm offers prepaid, postpaid mobile internet, international roaming and value added services. The company was founded in 1994 and is headquartered in Islamabad, Pakistan.

Digicel Group 0.5 Ltd. provides wireless telecommunication services. The company is headquartered in Hamilton, Bermuda.

Kyivstar GSM JSC provides mobile communications services. Its services include sending SMS, balance recharges and entertainment. Its network covers all big and small cities and villages, all the main national and regional roads, majority of sea and river coasts of Ukraine. The company was founded in 1994 and is headquartered in Kiev, Ukraine.

Istanbul Serbest Muhasebeci Mali Müsavirlik Ltd Sti operates as an accounting body in Turkey. Its activities include provision and development of accounting organizational framework, promotion of activities and interests, organization of educational and certification courses, operational and technical support for the daily work of its members. The company was founded on March 20, 1990 and is headquartered in Istanbul, Turkey.