| Bai Chuan Telecom Limited | Private company limited by shares | Live |
| CHUAN WEI TELECOM (HONG KONG) LIMITED | Private company limited by shares | Live |
| Chuangsheng Telecom Limited | Private company limited by shares | Live |
| Chung Wai Telecom Limited | Private company limited by shares | Live |
| CHUNGHAI TELECOM LIMITED | Private company limited by shares | Live |
| CHUNGHING TELECOM LIMITED | Private company limited by shares | Live |
| CHUNGSHUN TELECOM LIMITED | Private company limited by shares | Live |
| STAR CIRCLE TELECOM LIMITED | Private company limited by shares | Live |
| CITI TELECOM (HK) LIMITED | Private company limited by shares | Live |
| CITIC Telecom International (Concept) Limited | Private company limited by shares | Live |
| CITIC Telecom International (Data) Limited | Private company limited by shares | Live |
| CITIC Telecom International Holdings Limited | Public company limited by shares | Live |
| CITIC Telecom International CPC Limited | Private company limited by shares | Live |
| CITIC Telecom International Limited | Private company limited by shares | Live |
| CITICO TELECOM LIMITED | Private company limited by shares | Live |
| SKY CITI-LINK INTERNATIONAL TELECOM LIMITED | Private company limited by shares | Dissolved |
| CHINA CITY TELECOM CO., LIMITED | Private company limited by shares | Dissolved |
| CHINA CITY TELECOM (GROUP) HOLDINGS COMPANY LIMITED | Private company limited by shares | Dissolved |
| Glory City Telecom Co., Limited | Private company limited by shares | Dissolved |
| CITY TELECOM (H.K.) LIMITED | Private company limited by shares | Live |
| SK Telecom Smart City Management Co., Limited | Private company limited by shares | Live |
| Whole City Telecom Advertising Limited | | Live |
| CITYLINK TELECOM LIMITED | Private company limited by shares | Dissolved |
| CIVILIZATION TELECOM CO., LIMITED | Private company limited by shares | Live |
| CLEAR TELECOM COMPANY LIMITED | Private company limited by shares | Live |
| CLICKAGE TELECOM LIMITED | Private company limited by shares | Dissolved |
| CLICKHERE TELECOM LIMITED | Private company limited by shares | Live |
| Cloud 9 Telecom Limited | Private company limited by shares | Live |
| IPS TELECOM CO., LIMITED | Private company limited by shares | Dissolved |
| S K TELECOM CO., LIMITED | Private company limited by shares | Live |
| MSD TELECOM CO., LIMITED | Private company limited by shares | Dissolved |
| T B TELECOM CO., LIMITED | Private company limited by shares | Dissolved |
| TELECOM SA CO., LIMITED | Private company limited by shares | Live |
| FLY TELECOM CO., LIMITED | Private company limited by shares | Dissolved |
| ALL ONE TELECOM CO., LIMITED | Private company limited by shares | Live |
| VIT TELECOM CO., LIMITED | Private company limited by shares | Dissolved |
| AQ MAX TELECOM CO., LIMITED | Private company limited by shares | Dissolved |
| KDS TELECOM CO., LIMITED | Private company limited by shares | Live |
| HI TELECOM CO., LIMITED | Private company limited by shares | Live |
| KE XUN TELECOM CO., LIMITED | Private company limited by shares | Live |
| AAC TELECOM CO., LIMITED | Private company limited by shares | Live |
| LS Telecom Co., Limited | Private company limited by shares | Dissolved |
| E Telecom Co., Limited | Private company limited by shares | Live |
| TBK TELECOM CO., LIMITED | Private company limited by shares | Live |
| MS TELECOM CO., LIMITED | Private company limited by shares | Live |
| C&G Telecom Co., Limited | Private company limited by shares | Live |
| ZR TELECOM CO., LIMITED | Private company limited by shares | Live |
| MG TELECOM CO., LIMITED | Private company limited by shares | Live |
| TNY TELECOM CO., LIMITED | Private company limited by shares | Live |
| ZD TELECOM CO., LIMITED | Private company limited by shares | Live |
| Kam Yat Telecom Co., Limited | Private company limited by shares | Live |
| AHC Telecom Co., Limited | Private company limited by shares | Live |
| Ju Li Telecom Co., Limited | | Live |
| DE TELECOM CO., LIMITED | | Live |
| Ample Telecom Co., Limited | Private company limited by shares | Dissolved |
| ANYCOM TELECOM CO., LIMITED | Private company limited by shares | Dissolved |
| APPLE TELECOM INVESTMENT CO., LIMITED | Private company limited by shares | Dissolved |
| Bestface Telecom Co., Limited | Private company limited by shares | Live |
| CHINA TELECOM TELEPHONE BOOK CO., LIMITED | Private company limited by shares | Dissolved |
| British Telecom Co., Limited | Private company limited by shares | Live |
| BROTHER TELECOM CO., LIMITED | Private company limited by shares | Live |
| BTOUCH TELECOM CO., LIMITED | Private company limited by shares | Live |
| NINGBO CHEERWE TELECOM CO., LIMITED | Private company limited by shares | Live |
| CHINA TELECOM & TELEGRAPH CO., LIMITED | Private company limited by shares | Dissolved |
| CHUANG WEI TELECOM CO., LIMITED | Private company limited by shares | Live |
| CHUNGHWA TELECOM (ASIA) CO., LIMITED | Private company limited by shares | Dissolved |
| Create Domain Telecom Trading Co., Limited | Private company limited by shares | Live |
| DEKAI TELECOM CO., LIMITED | Private company limited by shares | Dissolved |
| DONG MING TELECOM CO., LIMITED | Private company limited by shares | Live |
| HK DOOII TELECOM CO., LIMITED | Private company limited by shares | Dissolved |
| DOORI TELECOM CO., LIMITED | Private company limited by shares | Live |
| EASY TEC TELECOM CO., LIMITED | Private company limited by shares | Live |
| Echo Telecom Co., Limited | Private company limited by shares | Live |
| HK ELECTRICAL TELECOM CO., LIMITED | Private company limited by shares | Live |
| RISUN ELECTRONIC & TELECOM CO., LIMITED | Private company limited by shares | Live |
| EXCEL TELECOM CO., LIMITED | Private company limited by shares | Dissolved |
| New Explorer Telecom Co., Limited | Private company limited by shares | Live |
| FIRST TELECOM CO., LIMITED | Private company limited by shares | Live |
| FREE-TECH TELECOM CO., LIMITED | Private company limited by shares | Live |
| GENSMAR TELECOM CO., LIMITED | Private company limited by shares | Dissolved |
| HK GOLD TELECOM CO., LIMITED | Private company limited by shares | Live |
| Ace Telecom Group HK Co., Limited | Private company limited by shares | Dissolved |
| HS Telecom Group Co., Limited | Private company limited by shares | Live |
| CHTELE TELECOM GROUP CO., LIMITED | Private company limited by shares | Live |
| G-TECH TELECOM CO., LIMITED | Private company limited by shares | Live |
| HAILAN TELECOM CO., LIMITED | Private company limited by shares | Live |
| HANG LEE TELECOM CO., LIMITED | Private company limited by shares | Live |
| HK GALAXY TELECOM HOLDING CO., LIMITED | Private company limited by shares | Live |
| HONG KONG LIDA TELECOM CO., LIMITED | Private company limited by shares | Live |
| Southern Telecom (Hong Kong) Co., Limited | Private company limited by shares | Live |
| RDC TELECOM (HONG KONG) TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| CHINA HUAALLEN TELECOM CO., LIMITED | Private company limited by shares | Live |
| HK Huatent Telecom Technology Co., Limited | Private company limited by shares | Live |
| HUAXIA TELECOM (CHINA) CO., LIMITED | Private company limited by shares | Dissolved |
| ICreate Telecom Co., Limited | Private company limited by shares | Live |
| iNet Telecom HK Co., Limited | Private company limited by shares | Live |
| INFOTECH TELECOM CO., LIMITED | Private company limited by shares | Live |
| Interconnect Telecom Co., Limited | Private company limited by shares | Live |
| JACK TELECOM CO., LIMITED | Private company limited by shares | Live |
| WENZHOU JIETONG TELECOM CO., LIMITED | Private company limited by shares | Live |