NTC is the big of Telecom Service who established since 2006 in Cambodia and connected submarine cables from Hong Kong and Singapore; also has Fiber Network Coverage with Overhead/Underground Cable to cities/provinces in Cambodia.

NTC existing customers are Mobile/ISP Operators, Factory, Casino and Banking/Finance like National Bank of Cambodia, Acleda Bank, Cambodia Asia Bank, Cambodia Post Bank, Cambodian Public Bank, Mega International Commercial Bank, SHINHAN KHMER BANK, Union Commercial Bank, Cam Capital Specialized Bank, Camko Specialized Bank, First Investment Specialized Bank, Asia‐Pacific Development Specialized Bank, Khmer Specialized Bank, Huione Bank, Asia Pacific Finance, SAHAKA Microfinance Institution, MAXIMA Mikroheranhvatho, KREDIT Microfinance Institution, etc.