1.
Quartz Ltd

Quartz Ltd

http://www.quartz.com.ua/ - Cherkasy
Computers, components, software, IP-telephony.
2.
Company "Infocom"

Company "Infocom"

http://www.ic.ck.ua/ - Cherkasy
Company "Infocom": national data transfer betwork.
3.
Company "Orizon-Navigation"

Company "Orizon-Navigation"

http://orizon-navigation.com/ - Cherkasy
Marine, aviation equipment and equipment geodesic, DGPS/DGLONASS equipment.
4.
5.

ТОВ "Компанія "М-Тел"

http://m-tel.net - Cherkasy
CTI, ISP