| HAIDA TELECOM CO., LIMITED | Private company limited by shares | Live |
| Haihong Telecom Co., Limited | Private company limited by shares | Live |
| Haiyi Telecom Co., Limited | Private company limited by shares | Live |
| HANG KEI TELECOM LIMITED | Private company limited by shares | Dissolved |
| HANG TAI TAI TELECOM LIMITED | Private company limited by shares | Live |
| HANG JIK TELECOM LIMITED | | Live |
| HANG HUI TELECOM LIMITED | | Live |
| MING HANG TELECOM LIMITED | Private company limited by shares | Live |
| HANG SENG TELECOM CO LIMITED | Private company limited by shares | Dissolved |
| WING HANG TELECOM COMPANY LIMITED | Private company limited by shares | Dissolved |
| HANGZHOU HONGSEN TELECOM CO., LIMITED | Private company limited by shares | Live |
| HannWave Telecom Limited | | Live |
| Haowei Telecom Limited | Private company limited by shares | Live |
| TELECOM HARDWARE CO., LIMITED | | Live |
| HELLO TELECOM COMPANY LIMITED | Private company limited by shares | Live |
| HENDA TELECOM CO., LIMITED | Private company limited by shares | Live |
| HENDERSON TELECOM LIMITED | Private company limited by shares | Dissolved |
| HENGTAI TELECOM LIMITED | Private company limited by shares | Live |
| Hong Kong Henta Telecom Co., Limited | | Live |
| Heshun Telecom Limited | Private company limited by shares | Live |
| HIGHWAY TELECOM LIMITED | Private company limited by shares | Dissolved |
| HILEX TELECOM LIMITED | Private company limited by shares | Dissolved |
| WAH HING TELECOM LIMITED | Private company limited by shares | Dissolved |
| HING LI TELECOM LIMITED | Private company limited by shares | Dissolved |
| Kong Hing Telecom Co. Limited | | Live |
| HI-Q TELECOM COMPANY LIMITED | Private company limited by shares | Dissolved |
| HISOA TELECOM HK LIMITED | | Live |
| HITECH TELECOM LIMITED | Private company limited by shares | Dissolved |
| HI-WAY TELECOM LIMITED | Private company limited by shares | Live |
| YL TELECOM (H.K.) LIMITED | Private company limited by shares | Dissolved |
| ECI TELECOM (HK) LIMITED | Private company limited by shares | Live |
| H C TELECOM (HK) LIMITED | Private company limited by shares | Live Commenced dormancy on 07-Oct-2003 |
| TELECOM ONE (H.K.) LIMITED | Private company limited by shares | Dissolved |
| IPH TELECOM (HK) LIMITED | Private company limited by shares | Dissolved |
| SFE TELECOM (HK) LIMITED | Private company limited by shares | Dissolved |
| VK TELECOM (HK) LIMITED | Private company limited by shares | Dissolved |
| 3G TELECOM (HK) LIMITED | Private company limited by shares | Live |
| TTI TELECOM (HK) LIMITED | Private company limited by shares | Dissolved |
| VIA TELECOM (HK) LIMITED | Private company limited by shares | Live |
| TELECOM LAB (H.K.) COMPANY LIMITED | Private company limited by shares | Dissolved |
| TELECOM (H.K.) CO LIMITED | Private company limited by shares | Live |
| TDI TELECOM (H.K.) LIMITED | Private company limited by shares | Live |
| WND Telecom (H.K.) Limited | Private company limited by shares | Dissolved |
| GO TELECOM (HK) LIMITED | Private company limited by shares | Live |
| CCT TELECOM (HK) LIMITED | Private company limited by shares | Live |
| M8 TELECOM (HK) LIMITED | Private company limited by shares | Dissolved |
| One Telecom (HK) Limited | Private company limited by shares | Dissolved |
| Lio Telecom (HK) Limited | Private company limited by shares | Dissolved |
| G. TELECOM (HK) LIMITED | Private company limited by shares | Live |
| RM Telecom (HK) Limited | Private company limited by shares | Live |
| 4G TELECOM (HK) LIMITED | Private company limited by shares | Live |
| LZ TELECOM (HK) LIMITED | Private company limited by shares | Live |
| IME (HK) Telecom Limited | Private company limited by shares | Live |
| SKY TELECOM (HK) LIMITED | Private company limited by shares | Live |
| 5G Telecom (HK) Limited | Private company limited by shares | Live |
| YUN HAI TELECOM (HK) LIMITED | | Live |
| CHINA TELECOM (H.K.) INTERNATIONAL ACCESS LIMITED | Private company limited by shares | Dissolved |
| ALLIANCE TELECOM (HK) COMPANY LIMITED | Private company limited by shares | Live |
| ANDA TELECOM (H.K.) LIMITED | Private company limited by shares | Live |
| ANYCALL TELECOM NETWORK (HK) COMPANY LIMITED | Private company limited by shares | Live |
| ASIA TELECOM (H.K.) LIMITED | Private company limited by shares | Dissolved |
| ASIAN TELECOM (HK) COMPANY LIMITED | Private company limited by shares | Dissolved |
| ASIANA TELECOM (HK) LIMITED | Private company limited by shares | Live |
| BAJAJ TELECOM (H.K) LIMITED | Private company limited by shares | Live |
| ZHENG BANG TELECOM (HK) CO., LIMITED | Private company limited by shares | Live |
| BERJAYA-STM TELECOM (HK) LIMITED | Private company limited by shares | Dissolved |
| Bright Telecom (HK) Limited | Private company limited by shares | Live |
| BRIGHTEN TELECOM (HK) CO. LIMITED | Private company limited by shares | Dissolved |
| CELLONG TELECOM (HK) LIMITED | Private company limited by shares | Dissolved |
| SOUTH CHINA TELECOM INVESTMENT (H.K.) COMPANY LIMITED | Private company limited by shares | Dissolved |
| CHINA TELECOM (HK) PRODIGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| HUI CHUAN TELECOM (HK) TRADING LIMITED | | Live |
| CHUNGE TELECOM (HK) LIMITED | Private company limited by shares | Dissolved |
| X TELECOM (HK) CO., LIMITED | Private company limited by shares | Dissolved |
| EEC TELECOM (HK) CO., LIMITED | Private company limited by shares | Dissolved |
| UL TELECOM (HK) CO., LIMITED | Private company limited by shares | Live |
| OKE TELECOM (HK) CO., LIMITED | Private company limited by shares | Dissolved |
| C&O TELECOM (H.K.) CO., LIMITED | Private company limited by shares | Live |
| HNA TELECOM (HK) CO., LIMITED | Private company limited by shares | Live |
| Dorun Telecom (HK) Co., Limited | | Live |
| JINCHENG TELECOM (HK) CO., LIMITED | Private company limited by shares | Live |
| LONDIAD TELECOM (HK) CO., LIMITED | Private company limited by shares | Live |
| NAPHAKKORN TELECOM (HK) CO., LIMITED | Private company limited by shares | Dissolved |
| NOVA (HK) TELECOM. CO., LIMITED | Private company limited by shares | Dissolved |
| SONGSTAR TELECOM (HK) CO., LIMITED | Private company limited by shares | Dissolved |
| Vitel (HK) Telecom Co., Limited | Private company limited by shares | Dissolved |
| WORLDRICH (HK) TELECOM CO., LIMITED | Private company limited by shares | Live |
| ComNet Telecom (HK) Limited | Private company limited by shares | Live |
| DATANG TELECOM (H.K.) LIMITED | Private company limited by shares | Live |
| D.L. TELECOM (HK) LIMITED | Private company limited by shares | Dissolved |
| DLEE TELECOM (HK) LIMITED | Private company limited by shares | Live |
| EAST ASIA TELECOM (H.K.) COMPANY LIMITED | Private company limited by shares | Dissolved |
| ELINK TELECOM (HK) PTE LIMITED | Private company limited by shares | Live |
| EMPORIA TELECOM (HK) LIMITED | Private company limited by shares | Live |
| EURO TELECOM (HK) LIMITED | Private company limited by shares | Live |
| TELECOM EXPRESS ( H.K. ) CO., LIMITED | Private company limited by shares | Dissolved |
| FORTUNE TELECOM (H.K.) LIMITED | Private company limited by shares | Live |
| GATEWAY TELECOM (HK) COMPANY LIMITED | Private company limited by shares | Dissolved |
| GLOBAL TELECOM (H.K.) LIMITED | Private company limited by shares | Dissolved |
| GLOBAL TELECOM TECHNOLOGY (HK) LIMITED | Private company limited by shares | Dissolved |