| TOWIN LIMITED | Private company limited by shares | Dissolved |
| HK TOWIN CO., LIMITED | Private company limited by shares | Live |
| TOWIN ELECTRONICS CO., LIMITED | | Live |
| TOWIN IMP&EXP CO., LIMITED | Private company limited by shares | Dissolved |
| Towin Renewable Energy & Electronic Company Limited | Private company limited by shares | Live |
| TOWIN NEW ENERGY LIMITED | | Live |
| TOWIN ENTERPRISE HK LIMITED | Private company limited by shares | Live |
| TOWIN GROUP LIMITED | Private company limited by shares | Dissolved |
| Towin Ceramics Industrial Limited | Private company limited by shares | Live |
| TOWIN INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| TOWIN HIGH-TECHNOLOGY INDUSTRIAL LIMITED | Private company limited by shares | Live |
| TOWIN INDUSTRY LIMITED | Private company limited by shares | Dissolved |
| TO-WIN INVESTMENT HOLDING LIMITED | Private company limited by shares | Live |
| TOWIN MEAT LIMITED | Private company limited by shares | Live |
| TOWIN METAL MANUFACTORY LIMITED | Private company limited by shares | Live |
| TOWIN TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| TOWIN TECHNOLOGY (HONG KONG) LIMITED | Private company limited by shares | Live |
| TOWIN TOOLS COMPANY LIMITED | Private company limited by shares | Live |
| MAN SUN TOWING LIMITED | Private company limited by shares | Dissolved |
| SAI WAN TOWING LIMITED | Private company limited by shares | Live |
| SK Towing Limited | Private company limited by shares | Live |
| SO KEE TOWING COMPANY LIMITED | Private company limited by shares | Live |
| KAI JET TOWING COMPANY LIMITED | Private company limited by shares | Live |
| MT Towing Limited | | Live |
| YK Towing (Brothers) Company Limited | Private company limited by shares | Live |
| CHAN KEE TOWING COMPANY LIMITED | Private company limited by shares | Live |
| SOUTH CHINA TOWING COMPANY LIMITED | Private company limited by shares | Live |
| EASY TOWING LIMITED | | Live |
| TAI PING TOWING ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| Fast Towing Limited | Private company limited by shares | Live |
| FORTUNE TOWING LIMITED | Private company limited by shares | Live |
| FORTUNE TOWING SERVICE LIMITED | Private company limited by shares | Live |
| FULL POWERFUL TOWING LIMITED | Private company limited by shares | Live |
| HANG YIP TOWING LIMITED | Private company limited by shares | Dissolved |
| MING HING TOWING SERVICE COMPANY, LIMITED | Private company limited by shares | Dissolved |
| K-LINE TOWING SERVICE LIMITED | Private company limited by shares | Live |
| KWAI WING TOWING SERVICE COMPANY LIMITED | Private company limited by shares | Live |
| NIHGT'S TOWING LIMITED | | Live |
| PACIFIC TOWING COMPANY LIMITED | Private company limited by shares | Live |
| TRS TOWING RESCUE SERVICE LIMITED | Private company limited by shares | Live |
| HEI LI TOWING SERVICE LIMITED | Private company limited by shares | Dissolved |
| Pak Li Towing Service Company Limited | Private company limited by shares | Dissolved |
| BAK HON TOWING SERVICE COMPANY LIMITED | | Live |
| FUJIWARA TOWING SERVICE LIMITED | Private company limited by shares | Dissolved |
| HOI KONG TOWING SERVICE LIMITED | Private company limited by shares | Live |
| Vibrantlize Towing Service Limited | | Live |
| TAK SHING MARINE TOWING LIMITED | Private company limited by shares | Dissolved |
| KAM BOK TOWING SHIPPING LIMITED | Private company limited by shares | Dissolved |
| Tung Lap Towing and Rescue Service Limited | | Live |
| Towins Opto Co., Limited | Private company limited by shares | Live |
| TOWINSLED LIGHTING CO., LIMITED | Private company limited by shares | Live |
| TOWINSOURCE HK LIMITED | Private company limited by shares | Live |
| TOWINTECH HOLDING COMPANY LIMITED | Private company limited by shares | Live |