| OLYMPIC TELECOM LIMITED | Private company limited by shares | Dissolved |
| OMNI TELECOM LIMITED | Private company limited by shares | Dissolved |
| OMNI TELECOM LIMITED | | Live |
| HONG KONG ONETOUCH TELECOM TECHNOLOGY CO. LIMITED | Private company limited by shares | Dissolved |
| Century Matrix Online Telecom Limited | | Live |
| OPTECH TELECOM LIMITED | Private company limited by shares | Dissolved |
| SIEMAX OPTICAL TELECOM CO., LIMITED | Private company limited by shares | Live |
| Oranges Telecom Limited | Private company limited by shares | Live |
| Orbitlines Telecom Limited | Private company limited by shares | Live |
| Orient Telecom Limited | | Live |
| ORIENTAL TELECOM LIMITED | Private company limited by shares | Live |
| ORIENTAL NETWORK TELECOM LIMITED | Private company limited by shares | Dissolved |
| ORIENTAL TELECOM SERVICE LIMITED | Private company limited by shares | Dissolved |
| ORIENTAL TELECOM SYSTEMS LIMITED | Private company limited by shares | Live |
| O'RIGHTONE TELECOM LIMITED | Private company limited by shares | Dissolved |
| OTEL TELECOM LIMITED | Private company limited by shares | Dissolved |
| Oversea Telecom Limited | Private company limited by shares | Live |
| OVERSEAS VIETNAM TELECOM LIMITED | Private company limited by shares | Dissolved |
| OXNP Telecom Limited | Private company limited by shares | Live |
| Oyster Telecom Limited | Private company limited by shares | Live |
| TELECOM PACIFIC LIMITED | Private company limited by shares | Dissolved |
| PACIFIC TELECOM COMPANY LIMITED | Private company limited by shares | Live |
| IDT Telecom Asia Pacific Limited | Private company limited by shares | Live |
| PCS Telecom (Asia & Pacific) Limited | Private company limited by shares | Live |
| ASIA PACIFIC TELECOM HOLDING LIMITED | Private company limited by shares | Dissolved |
| FIRST PACIFIC TELECOM LIMITED | Private company limited by shares | Live |
| Intis Telecom Pacific Limited | Private company limited by shares | Live |
| PACIFIC TELECOM & TRADE LIMITED | Private company limited by shares | Dissolved |
| PacRim TeleCom, Limited | Private company limited by shares | Dissolved |
| TELECOM PAGING LIMITED | Private company limited by shares | Live |
| CHUNG KIU PAGING TELECOM COMPANY LIMITED | Private company limited by shares | Dissolved |
| PANDA TELECOM LIMITED | Private company limited by shares | Live |
| PARKWAY TELECOM LIMITED | Private company limited by shares | Live |
| PARTIM TELECOM LIMITED | Private company limited by shares | Live |
| HK PARTNER TELECOM PAYMENT LIMITED | Private company limited by shares | Dissolved |
| TELECOM PARTNERS LIMITED | Private company limited by shares | Dissolved |
| Global Telecom Capital Partners HK Advisory Limited | Private company limited by shares | Live |
| Global Telecom Capital Partners Holding Limited | Private company limited by shares | Live |
| PATEL TELECOM LIMITED | Private company limited by shares | Live |
| Paytwo Telecom Technology Limited | Private company limited by shares | Live |
| PEACE TELECOM LIMITED | Private company limited by shares | Live |
| PEARL ORIENTAL TELECOM & TECHNOLOGY LIMITED | Private company limited by shares | Live |
| PEGASUS TELECOM LIMITED | Private company limited by shares | Dissolved |
| PEGASUS TELECOM LIMITED | Private company limited by shares | Live |
| PENGBO Telecom Limited | Private company limited by shares | Live |
| Phnom Penguin Telecom Co., Limited | Private company limited by shares | Dissolved |
| Soho Telecom (Philippines) Limited | Private company limited by shares | Live |
| PHOENIX TELECOM LIMITED | Private company limited by shares | Dissolved |
| NEW PHOENIX TELECOM LIMITED | Private company limited by shares | Dissolved |
| PHOENIX TELECOM HK LIMITED | | Live |
| Phone Choice Telecom Company Limited | Private company limited by shares | Live Commenced dormancy on 23-Sep-2014 |
| Trade Trade Phone Telecom Limited | Private company limited by shares | Live |
| WELL PHONE TELECOM COMPANY LIMITED | Private company limited by shares | Live |
| PHONETEN TELECOM (HK) CO., LIMITED | Private company limited by shares | Live |
| PHONETONE TELECOM LIMITED | Private company limited by shares | Live |
| Pilotage Telecom Co., Limited | | Live |
| PIONEER TELECOM NETWORK LIMITED | Private company limited by shares | Dissolved |
| PIONEER TELECOM SERVICE LIMITED | Private company limited by shares | Dissolved |
| A Plus Telecom Company Limited | Private company limited by shares | Live |
| TELECOM PLUS INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| Plush Telecom Limited | Private company limited by shares | Dissolved |
| TOP POINT TELECOM LIMITED | Private company limited by shares | Dissolved |
| POINT TELECOM LIMITED -THE- | Private company limited by shares | Dissolved |
| TOP POINT TELECOM LIMITED | Private company limited by shares | Live |
| POLARIS TELECOM LIMITED | Private company limited by shares | Live |
| POLI TELECOM LIMITED | Private company limited by shares | Live |
| POTAT TELECOM LIMITED | Private company limited by shares | Live |
| POWER TELECOM LIMITED | Private company limited by shares | Live |
| POWER ONE TELECOM COMPANY LIMITED | Private company limited by shares | Live |
| Power Sky Telecom Limited | Private company limited by shares | Dissolved |
| POWER ON TELECOM LIMITED | Private company limited by shares | Live |
| DRAGON POWER TELECOM LIMITED | Private company limited by shares | Live |
| Wind Power Telecom Limited | Private company limited by shares | Dissolved |
| POWERNET TELECOM LIMITED | Private company limited by shares | Dissolved |
| POWERTONE TELECOM LIMITED | Private company limited by shares | Dissolved |
| P-PLUS TELECOM LIMITED | Private company limited by shares | Live |
| PREMIER TELECOM COMPANY LIMITED | Private company limited by shares | Dissolved |
| PRIMESOURCE TELECOM LIMITED | Private company limited by shares | Dissolved |
| PRINCE TRADE & TELECOM LIMITED | Private company limited by shares | Live |
| BFG TELECOM PRODUCTS LIMITED | Private company limited by shares | Dissolved |
| KENICK TELECOM PRODUCTS LIMITED | Private company limited by shares | Dissolved |
| TRINITY TELECOM PRODUCTS COMPANY LIMITED | Private company limited by shares | Live |
| WAFER TELECOM PRODUCTS LIMITED | Private company limited by shares | Dissolved |
| PROFESSIONAL TELECOM LIMITED | Private company limited by shares | Live |
| TELECOM PROFESSIONAL CENTRE LIMITED | Private company limited by shares | Dissolved |
| PROFESSIONAL GLOBAL TELECOM LIMITED | Private company limited by shares | Dissolved |
| PROFESSIONAL TELECOM (SHENZHEN-HONGKONG) LIMITED | Private company limited by shares | Dissolved |
| TELECOM GRAND PROFIT LIMITED | Private company limited by shares | Dissolved |
| TELECOM INFRA PROJECT (HK), INC. LIMITED | Private company limited by shares | Live |
| PROLIFIC TELECOM LIMITED | Private company limited by shares | Live |
| 3TOGO TELECOM PROMOTION LIMITED | Private company limited by shares | Dissolved |
| TELECOM PROPERTIES INVESTMENT LIMITED | Private company limited by shares | Live |
| Protech Telecom Co. Limited | Private company limited by shares | Dissolved |
| TMH TELECOM PUBLIC COMPANY LIMITED | | Live |
| PULING TELECOM LIMITED | Private company limited by shares | Dissolved |
| PULSE TELECOM LIMITED | Private company limited by shares | Dissolved |
| QiangXin Telecom Limited | | Live |
| QIHUI TELECOM HONG KONG LIMITED | Private company limited by shares | Live |
| Quad Telecom HK Limited | Private company limited by shares | Live |
| QUANQIU TELECOM LIMITED | Private company limited by shares | Live |