| EASYCALL TELECOM(HK) LIMITED | | Live |
| NEW TELECOMM COMPANY LIMITED | Private company limited by shares | Live |
| SMT TELECOMM HK LIMITED | Private company limited by shares | Live |
| Asia Tele-Comm Limited | Private company limited by shares | Live |
| CJSC TELECOMM TECHNOLOGY (ASIA) LIMITED | Private company limited by shares | Dissolved |
| New Era Telecomm Co., Limited | Private company limited by shares | Live |
| TELECOMM UNICATIONS CO., LIMITED | Private company limited by shares | Live |
| WIN GAIN TELECOMM (HK) CO., LIMITED | Private company limited by shares | Dissolved |
| LINKED TELECOMM LIMITED | Private company limited by shares | Live |
| OPTICAL TELECOMM LIMITED | Private company limited by shares | Dissolved |
| TOP-TIME TELECOMM LIMITED | Private company limited by shares | Dissolved |
| PACIFIC RIM TELECOMM-DATACOMM LIMITED | Private company limited by shares | Live |
| Telecommerce Limited | Private company limited by shares | Live |
| HONGKONG ELEGANT HERO TELECOMMICATION LOGISTICS LIMITED | Private company limited by shares | Dissolved |
| TelecomMotion Limited | Private company limited by shares | Live |
| NUOJIE TELECOMMUN LIMITED | Private company limited by shares | Live |
| CHASE TELECOMMUNCITION LIMITED | Private company limited by shares | Dissolved |
| Telecommune Company Limited | | Live |
| CTC TELECOMMUNICATION CO. LIMITED | Private company limited by shares | Dissolved |
| XIN NIE TELECOMMUNICATION LIMITED | Private company limited by shares | Dissolved |
| MTR TELECOMMUNICATION COMPANY LIMITED | Private company limited by shares | Live |
| SEF TELECOMMUNICATION COMPANY LIMITED | Private company limited by shares | Dissolved |
| TP TELECOMMUNICATION LIMITED | Private company limited by shares | Dissolved |
| ABC TELECOMMUNICATION LIMITED | Private company limited by shares | Live |
| YST TELECOMMUNICATION LIMITED | Private company limited by shares | Live |
| TELECOMMUNICATION LIMITED | Private company limited by shares | Live |
| GAO XIN TELECOMMUNICATION LIMITED | Private company limited by shares | Dissolved |
| CIH TELECOMMUNICATION LIMITED | Private company limited by shares | Live |
| GB Telecommunication Limited | Private company limited by shares | Live |
| Hop Lik Telecommunication Company Limited | Private company limited by shares | Live |
| Lai Fu Telecommunication Limited | Private company limited by shares | Live |
| KAI YIK TELECOMMUNICATION COMPANY LIMITED | Private company limited by shares | Live |
| SYN TELECOMMUNICATION LIMITED | Private company limited by shares | Live |
| Kin Tat Telecommunication Limited | | Live |
| Guo Er Telecommunication Co. Limited | | Live |
| DEI LI TELECOMMUNICATION LIMITED | | Live |
| Advantage Telecommunication Limited | Private company limited by shares | Live |
| ALLITEX TELECOMMUNICATION LIMITED | Private company limited by shares | Dissolved |
| ASIA TELECOMMUNICATION LIMITED | Private company limited by shares | Dissolved |
| J&R BROS TELECOMMUNICATION LIMITED | Private company limited by shares | Dissolved |
| Coda Telecommunication Limited | Private company limited by shares | Live |
| CONTRAD TELECOMMUNICATION LIMITED | Private company limited by shares | Dissolved |
| CUSTOMAGIC TELECOMMUNICATION LIMITED | Private company limited by shares | Dissolved |
| CYBERMAX TELECOMMUNICATION COMPANY LIMITED | Private company limited by shares | Dissolved |
| DELTA TELECOMMUNICATION LIMITED | Private company limited by shares | Dissolved |
| YI DONG TELECOMMUNICATION COMPANY LIMITED | Private company limited by shares | Dissolved |
| EASTERN SUN TELECOMMUNICATION COMPANY LIMITED | Private company limited by shares | Dissolved |
| EASY TELECOMMUNICATION LIMITED | Private company limited by shares | Dissolved |
| EVERBRIGHT TELECOMMUNICATION LIMITED | Private company limited by shares | Dissolved |
| GLOBALNET TELECOMMUNICATION COMPANY LIMITED | Private company limited by shares | Dissolved |
| Grandway Telecommunication Limited | | Live |
| JOHNSON TELECOMMUNICATION LIMITED | Private company limited by shares | Dissolved |
| JUNYAN TELECOMMUNICATION LIMITED | | Live |
| KINTEL TELECOMMUNICATION LIMITED | Private company limited by shares | Live |
| LEVEL ONE TELECOMMUNICATION LIMITED | Private company limited by shares | Dissolved |
| LUSON TELECOMMUNICATION LIMITED | Private company limited by shares | Dissolved |
| Mega Telecommunication Limited | Private company limited by shares | Live |
| NANO TELECOMMUNICATION COMPANY LIMITED | Private company limited by shares | Dissolved |
| PARADISE TELECOMMUNICATION COMPANY LIMITED | Private company limited by shares | Live |
| NEW POWER TELECOMMUNICATION LIMITED | Private company limited by shares | Live |
| POWERCALL TELECOMMUNICATION LIMITED | Private company limited by shares | Live |
| RAFALE TELECOMMUNICATION LIMITED | Private company limited by shares | Dissolved |
| TOP RANK TELECOMMUNICATION NETWORKS COMPANY LIMITED | Private company limited by shares | Dissolved |
| SENVAS TELECOMMUNICATION HOLDING LIMITED | Private company limited by shares | Dissolved |
| IT TELECOMMUNICATION SERVICE LIMITED | Private company limited by shares | Live |
| TELECOMMUNICATION SOLUTION LIMITED | Private company limited by shares | Live |
| Telecommunication System Limited | Private company limited by shares | Live |
| LAMBDA TELE-COMMUNICATION SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| TIMES TELECOMMUNICATION LIMITED | Private company limited by shares | Dissolved |
| NA Tong Telecommunication Limited | Private company limited by shares | Live |
| UBEST TELECOMMUNICATION COMPANY LIMITED | Private company limited by shares | Dissolved |
| FAI TAT TELECOMMUNICATIONS COMPANY LIMITED | Private company limited by shares | Dissolved |
| TEC TELECOMMUNICATIONS COMPANY LIMITED | Private company limited by shares | Live |
| NEO TELECOMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| 97 TELECOMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| CLP TELECOMMUNICATIONS LIMITED | Private company limited by shares | Live Commenced dormancy on 10-Nov-2011 |
| CTS TELECOMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| YUE XIU TELECOMMUNICATIONS LIMITED | Private company limited by shares | Live |
| C & M TELECOMMUNICATIONS COMPANY LIMITED | Private company limited by shares | Dissolved |
| RAW TELECOMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| M2 TELECOMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| SKY TELECOMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| OTC TELECOMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| CK TELECOMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| AMI TELECOMMUNICATIONS LIMITED | Private company limited by shares | Live |
| ATA Telecommunications Limited | Private company limited by shares | Dissolved |
| PB TELECOMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| BWC Telecommunications Limited | Private company limited by shares | Live |
| Rak Telecommunications Limited | Private company limited by shares | Dissolved |
| SGA TELECOMMUNICATIONS LIMITED | Private company limited by shares | Live |
| CNC TELECOMMUNICATIONS LIMITED | Private company limited by shares | Live |
| BW Telecommunications Limited | Private company limited by shares | Live |
| NYX TELECOMMUNICATIONS LIMITED | Private company limited by shares | Live |
| BNR TELECOMMUNICATIONS LIMITED | Private company limited by shares | Live |
| H & C Telecommunications Limited | Private company limited by shares | Live |
| Rui Da Telecommunications Limited | | Live |
| SUN TAK TELECOMMUNICATIONS LIMITED | | Live |
| ADVANTAGE TELECOMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| AILICEC-CHINA TELECOMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| ASTORIA TELECOMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |