Mobile Telecommunications Services

• CSL Limited (Formerly known as Hong Kong CSL Limited)
• Hutchison Telephone Company Limited
• Hong Kong Telecommunications (HKT) Limited
• SmarTone Mobile Communications Limited
• CSL Limited (Formerly known as New World PCS Limited)
• China Mobile Hong Kong Company Limited

Fixed Telecommunications Services

• ComNet Telecom (HK) Limited
• HGC Global Communications Limited (formerly known as "Hutchison Global Communications Limited")
• HKBN Enterprise Solutions Limited (formerly known as "New World Telecommunications Limited")
• Hong Kong Broadband Network Limited
• PCCW-HKT Telephone Limited and Hong Kong Telecommunications (HKT) Limited
• SmarTone Communications Limited
• Superloop (Hong Kong) Limited
• Tata Communications (Hong Kong) Limited
• HKBN Enterprise Solutions HK Limited (formerly known as "WTT HK Limited")