| CHE MING RADIO & ELECTRIC COMPANY LIMITED | Private company limited by shares | Dissolved |
| KIN MING RADIO & ELECTRIC COMPANY LIMITED | Private company limited by shares | Live |
| YOU BONG RADIO & ELECTRICAL COMPANY, LIMITED | Private company limited by shares | Dissolved |
| LAP HING RADIO & ELECTRICAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| TAI TUNG RADIO AND ELECTRICAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| ELITE RADIO & ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| The Sun Marine Radio Engineering Co., Limited | | Live |
| Radio Footwear Limited | Private company limited by shares | Dissolved |
| FRIENDS OF RADIO 4 SOCIETY LIMITED | Company limited by guarantee | Live |
| RADIO FUTURA LIMITED | Private company limited by shares | Dissolved |
| GALA RADIO & ELECTRIC COMPANY LIMITED | Private company limited by shares | Dissolved |
| Goodmans Radio International Limited | Private company limited by shares | Dissolved |
| GREEN RADIO LIMITED | Private company limited by shares | Dissolved |
| HELI RADIO LIMITED | Private company limited by shares | Live |
| WO HING RADIO COMPANY LIMITED | Private company limited by shares | Live |
| RADIO HOLLAND LIMITED | Private company limited by shares | Dissolved |
| TUNG CHI HONG RADIO COMPANY LIMITED | Private company limited by shares | Dissolved |
| RADIO FUN INVESTMENT LIMITED | Private company limited by shares | Live |
| LEADER RADIO COMPANY LIMITED | Private company limited by shares | Dissolved |
| KALITY RADIO MANUFACTORY LIMITED | Private company limited by shares | Dissolved |
| MARINE RADIO (HK) CO., LIMITED | Private company limited by shares | Live |
| MARINE RADIO SYSTEMS LIMITED | Private company limited by shares | Live |
| CHINA RADIO & TV INTERNATIONAL MEDIA GROUP LIMITED | Private company limited by shares | Live |
| MINE RADIO SYSTEMS LIMITED | Private company limited by shares | Live |
| NICE RADIO LIMITED | Private company limited by shares | Dissolved |
| ASSOCIATION OF N.T. RADIO TAXICABS LIMITED | Company limited by guarantee | Live |
| ODEON RADIO SUPPLIES LIMITED | Private company limited by shares | Dissolved |
| PACIFIC RADIO COMPANY LIMITED | Private company limited by shares | Dissolved |
| RADIO PACIFIC LIMITED | Private company limited by shares | Live |
| RADIO PEOPLE, LIMITED - THE - | Private company limited by shares | Live |
| Phoenix Radio Limited | Private company limited by shares | Live |
| Phoenix U Radio Limited | Private company limited by shares | Live |
| COMMERCIAL RADIO PRODUCTIONS LIMITED | Private company limited by shares | Live |
| PUBLIC CAR RADIO CENTRE LIMITED | Private company limited by shares | Dissolved |
| LEE ON PUBLIC CAR RADIO CENTRE LIMITED | Private company limited by shares | Dissolved |
| FRATERNITY PUBLIC CAR RADIO CENTRE LIMITED | Private company limited by shares | Live |
| RADIO RESOURCES LIMITED | Private company limited by shares | Dissolved |
| TAI LIN RADIO SERVICE LIMITED | Private company limited by shares | Live |
| CO-OPERATION RADIO CAR SERVICE COMPANY LIMITED | Private company limited by shares | Dissolved |
| SEVILLE RADIO COMPANY LIMITED | Private company limited by shares | Dissolved |
| SHING HING RADIO & ELECTRIC COMPANY LIMITED | Private company limited by shares | Dissolved |
| HOP SHING LUNG RADIO COMPANY LIMITED | Private company limited by shares | Dissolved |
| SILVER RADIO LIMITED | Private company limited by shares | Live |
| RADIO SOLUTIONS LIMITED | Private company limited by shares | Dissolved |
| NEW STAR RADIO & TV EQUIPMENT LIMITED | Private company limited by shares | Dissolved |
| STAR INTERNET RADIO LIMITED | Private company limited by shares | Live |
| CHUEN TUNG RADIO TAXIS ASSOCIATION LIMITED | Company limited by guarantee | Dissolved |
| Tung Road Radio Technologies Company Limited | Private company limited by shares | Live |
| Marine radio technology co Limited | Private company limited by shares | Live |
| TOGETHER RADIO LIMITED | Private company limited by shares | Live |
| RADIO TRADE LIMITED | Private company limited by shares | Live |
| CHINA RADIO FILM AND TV TRANSACTION CENTER LIMITED | Private company limited by shares | Dissolved |
| CHUEN LEE CHUEN TUNG RADIO CALL LIMITED | Private company limited by shares | Dissolved |
| TUNG YUEN RADIO COMPANY, LIMITED | Private company limited by shares | Dissolved |
| VISION RADIO COMPANY LIMITED | Private company limited by shares | Live |
| WHICH RADIO LIMITED | Private company limited by shares | Live |
| WING LOK RADIO AND ELECTRIC COMPANY LIMITED | Private company limited by shares | Dissolved |
| KAM YUEN RADIO COMPANY LIMITED | Private company limited by shares | Live |
| RADIOACTIVE LIMITED | Private company limited by shares | Live |
| RADIOACTIVE 1 LIMITED | | Live |
| RADIOACTIVE 2 LIMITED | | Live |
| RADIOACTIVE 3 LIMITED | | Live |
| RADIOACTIVE 4 LIMITED | | Live |
| RADIOACTIVE 5 LIMITED | | Live |
| Radioactive Finance Limited | Private company limited by shares | Live |
| YIK SUN RADIOCABS OPERATORS ASSOCIATION LIMITED | Company limited by guarantee | Dissolved |
| WIWI CAR RADIO/CD MFG. (H. K.) LIMITED | Private company limited by shares | Dissolved |
| RADIOCOM INT'L GROUP (HK) LIMITED | Private company limited by shares | Dissolved |
| RADIO-COMM. SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| RADIODETECTION (CHINA) LIMITED | Private company limited by shares | Live |
| RADIOF HK LIMITED | Private company limited by shares | Live |
| RADIOFUNI LIMITED | Private company limited by shares | Live |
| RADIOGAGA LIMITED | Private company limited by shares | Live |
| Radiohill IT (HK) Limited | | Live |
| Radiohill HF Corporation (HK) Limited | Private company limited by shares | Live |
| RADIOKING TECHNOLOGY (HONG KONG) LIMITED | Private company limited by shares | Live |
| RADIOLAN HONG KONG LIMITED | Private company limited by shares | Dissolved |
| RADIOLOCATION LIMITED | Private company limited by shares | Live |
| SWJ RADIOLOGY LIMITED | Private company limited by shares | Live |
| JL Radiology Limited | Private company limited by shares | Live |
| AW RADIOLOGY LIMITED | | Live |
| ADVANCED RADIOLOGY LIMITED | Private company limited by shares | Live |
| Radiology Associates Limited | Private company limited by shares | Live |
| PMU DIAGNOSTIC RADIOLOGY LIMITED | Private company limited by shares | Live |
| PAN PACIFIC RADIOLOGY GROUP LIMITED -THE- | Private company limited by shares | Live |
| PRESTIGE DIAGNOSTIC RADIOLOGY LIMITED | Private company limited by shares | Live |
| TS Radiology Service Limited | | Live |
| UNITED ONE DIAGNOSTIC RADIOLOGY LIMITED | Private company limited by shares | Live |
| Radiometer HK Limited | Private company limited by shares | Live |
| RADIONIC HONG KONG LIMITED | Private company limited by shares | Dissolved |
| RADIOREPUBLIC.COM LIMITED | Private company limited by shares | Dissolved |
| SAM RADIOS LIMITED | Private company limited by shares | Live |
| RADIOTECH Limited | Private company limited by shares | Live |
| EASTERN RADIOTECH LIMITED | Private company limited by shares | Live |
| RADIOTECH ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| BOCOM RADIOTECH (HK) LIMITED | Private company limited by shares | Dissolved |
| RADIOTEX INTERNATIONAL LIMITED | Private company limited by shares | Live |
| Hong Kong Superficial Radiotherapy Centre Limited | Private company limited by shares | Live |
| RADIO-TONE COMPANY LIMITED | Private company limited by shares | Live |
| Radisense Limited | | Live |