Astel JSC, Kazakhtelecom JSC, Transtelecom JSC, SKTB Granit LLP, Kap-Tel LLP, Eltex LLP, PSTK 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, Beeline, K 'cell and LG, universities, the Ministry of Education and the Ministry of Communications of the Republic of Kazakhstan.