| COI Communications Limited | Private company limited by shares | Live |
| 3S Communications Limited | Private company limited by shares | Live |
| JB Communications LIMITED | Private company limited by shares | Live |
| QI COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| YU KAI COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| HK FOG COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| CM2 Communications Limited | Private company limited by shares | Live |
| O2O COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| V&P Communications Limited | Private company limited by shares | Live |
| DM Communications Limited | Private company limited by shares | Live |
| Lux Communications Limited | Private company limited by shares | Live |
| TDX COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| A & C Communications Limited | Private company limited by shares | Live |
| RAN COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| AYA Communications Limited | Private company limited by shares | Live |
| PRN COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| VA COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| GC communications co. Limited | Private company limited by shares | Live |
| 5IT COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| A2Z COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| FY COMMUNICATIONS COMPANY LIMITED | Private company limited by shares | Live |
| Xin Communications Company Limited | Private company limited by shares | Live |
| MMW Communications Limited | Private company limited by shares | Live |
| HWL Communications Limited | Private company limited by shares | Live |
| AHL Communications Limited | Private company limited by shares | Live |
| Ten Communications Limited | Private company limited by shares | Live |
| ESA COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| R26 Communications Company Limited | Private company limited by shares | Live |
| EGG COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| Per Se Communications Limited | Private company limited by shares | Live |
| MW Communications Limited | Private company limited by shares | Live |
| REO COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| BIS Communications Limited | Private company limited by shares | Live |
| L Communications Limited | Private company limited by shares | Live |
| RWB Communications Limited | Private company limited by shares | Live |
| DM COMMUNICATIONS HK LIMITED | Private company limited by shares | Live |
| UU COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| SUN COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| AB Communications Limited | Private company limited by shares | Live |
| Ena Communications Limited | Private company limited by shares | Live |
| CLE Communications Limited | Private company limited by shares | Live |
| FTP COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| TIZ COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| EOS Communications Limited | Private company limited by shares | Live |
| XFS Communications Limited | Private company limited by shares | Live |
| AMT COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| LBS COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| FMS Communications Limited | Private company limited by shares | Live |
| L One Communications Limited | Private company limited by shares | Live |
| YX COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| SC Communications Limited | Private company limited by shares | Live |
| Too Coo Communications Limited | Private company limited by shares | Live |
| COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| XY Communications Limited | Private company limited by shares | Live |
| Kay Communications Limited | Private company limited by shares | Live |
| DAR Communications Limited | Private company limited by shares | Live |
| BO HAI COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| FCY COMMUNICATIONS LIMITED | | Live |
| MMR COMMUNICATIONS LIMITED | | Live |
| DOT COMMUNICATIONS LIMITED | | Live |
| PV Communications Limited | | Live |
| ST Communications Limited | | Live |
| pH7 Communications Limited | | Live |
| JSI COMMUNICATIONS LIMITED | | Live |
| O Communications Limited | | Live |
| BAM Communications Limited | | Live |
| 010109 COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| 128K COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| 2010 COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| 21:12 Communications Asia Limited | Private company limited by shares | Live |
| 21st Century Communications Limited | Private company limited by shares | Live |
| 31SMS Communications (HK) Limited | Private company limited by shares | Dissolved |
| 4ward Communications Limited | Private company limited by shares | Live |
| 5IVES COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| ABERCORN COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| Able Communications Limited | Private company limited by shares | Live |
| Abracadabra Communications Limited | Private company limited by shares | Live |
| AC/DC COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| Acedo Communications Limited | Private company limited by shares | Live |
| ACME COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| ACORN COMMUNICATIONS COMPANY LIMITED | Private company limited by shares | Dissolved |
| a.cross Communications Limited | Private company limited by shares | Live |
| Tacko Actions Communications Company Limited | Private company limited by shares | Live |
| ACTONE COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| Adam Communications Limited | Private company limited by shares | Live |
| ADCFIBER COMMUNICATIONS CO., LIMITED | Private company limited by shares | Live |
| ADLINK COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| ADPRO COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| ADSALE COMMUNICATIONS (H.K.) LIMITED | Private company limited by shares | Dissolved |
| ADTOMIC COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| A&M ADVERTISING COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| MDB ADVERTISING & COMMUNICATIONS (HK) LIMITED | Private company limited by shares | Dissolved |
| Smart Advertising Communications Limited | Private company limited by shares | Live |
| AEGIS COMMUNICATIONS CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| aeiou communications Limited | Private company limited by shares | Dissolved |
| AFFINITY COMMUNICATIONS HOLDING LIMITED | Private company limited by shares | Live |
| AGORA COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| AIRSPAN COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| Albatross Communications Private Limited | Private company limited by shares | Dissolved |
| ALCHEMY COMMUNICATIONS LIMITED | Private company limited by shares | Live |