Astel JSC, Kazakhtelecom JSC, Transtelecom JSC, SKTB Granit LLP, Kap-Tel LLP, Eltex LLP, PDTK Bitelecom JSC, Altel JSC, KazTransKom JSC, LLP W Telekom, Kazteleradio JSC, Huawei-Almaty LLP, Tarlan Telecom LLP, Basis Telecom LLP, Mobile Telecom Service LLP, Alsi LLP, Otis LLP of Beeline, K ' cell and LG, Ministry of Education and Ministry of Communications of the Republic of Kazakhstan.