| NEW BRIGHT SYNTHETIC LEATHER COMPANY LIMITED | Private company limited by shares | Live |
| GUANGZHOU SYNTHETIC LEATHER CHEMICALS CO., LIMITED | Private company limited by shares | Live |
| SOON CHEONG SYNTHETIC LEATHER LIMITED | Private company limited by shares | Dissolved |
| CHUANGYAN SYNTHETIC LEATHER CO. LIMITED | Private company limited by shares | Dissolved |
| SUNRISE SYNTHETIC LEATHER CO., LIMITED | Private company limited by shares | Live |
| MEI DENG SYNTHETIC LEATHER CO., LIMITED | Private company limited by shares | Live |
| GUANGZHOU AC SYNTHETIC LEATHER & BAGS CO., LIMITED | Private company limited by shares | Live |
| KEY SYNTHETIC LEATHER (HONG KONG) COMPANY LIMITED | Private company limited by shares | Live |
| HONG KONG HAO MING SYNTHETIC LEATHER COMPANY LIMITED | Private company limited by shares | Live |
| KEY SYNTHETIC LEATHER (INTERNATIONAL) COMPANY LIMITED | Private company limited by shares | Live |
| KEMCOAT SYNTHETIC LEATHER COMPANY LIMITED | Private company limited by shares | Live |
| FIRST SYNTHETIC LEATHER MANUFACTURING COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNITED OVERSEAS SYNTHETIC LEATHER COMPANY LIMITED | Private company limited by shares | Live |
| WENZHOU QIANGLI SYNTHETIC LEATHER CO., LIMITED | Private company limited by shares | Live |
| SHANDONG JINFENG SYNTHETIC LEATHER CO., LIMITED | Private company limited by shares | Live |
| TUNG SHING SYNTHETIC LEATHER LIMITED | Private company limited by shares | Live |
| SHI-RUI SYNTHETIC LEATHER CO., LIMITED | Private company limited by shares | Dissolved |
| Sunshine Synthetic Leather Co., Limited | Private company limited by shares | Live |
| WEN-YUE SYNTHETIC LEATHER LIMITED | Private company limited by shares | Dissolved |
| CERTIFIED SOCIETY OF SYNTHETIC MANUAL PHYSIO THERAPY LIMITED -THE- | Private company limited by shares | Dissolved |
| ACTION SYNTHETIC LEATHER & FABRIC MANUFACTURE CO., LIMITED | Private company limited by shares | Dissolved |
| GENERAL ASSOCIATION OF HUMAN AND SYNTHETIC HAIR PRODUCTS MANUFACTURERS LIMITED -THE- | Private company limited by shares | Dissolved |
| PCY SYNTHETIC MANUFACTURING LIMITED | Private company limited by shares | Live |
| SYNTHETIC WIGS MANUFACTURING COMPANY, LIMITED | Private company limited by shares | Dissolved |
| SYNTHETIC TECHNOLOGY AND MATERIAL SUPPLY LIMITED | Private company limited by shares | Live |
| SUNRISE SYNTHETIC MATERIALS CO., LIMITED | Private company limited by shares | Live |
| SYNTHETIC MOTOR COMPANY LIMITED | Private company limited by shares | Dissolved |
| HONG KONG SYNTHETIC PAPER PACKAGING LIMITED | Private company limited by shares | Dissolved |
| MARBLE SYNTHETIC PRODUCTS LIMITED | Private company limited by shares | Dissolved |
| QUALITY SYNTHETIC RUBBER (HONG KONG) LIMITED | Private company limited by shares | Live |
| SING TAI SYNTHETIC DYEING & FINISHING COMPANY, LIMITED | Private company limited by shares | Dissolved |
| SING LEE SYNTHETIC FLOWER LIMITED | Private company limited by shares | Dissolved |
| SING LEE SYNTHETIC FLOWER FACTORY LIMITED | Private company limited by shares | Dissolved |
| Sino Synthetic Rubber Holdings Limited | Private company limited by shares | Live |
| SINTEX SYNTHETIC FABRICS LIMITED | Private company limited by shares | Live |
| CHARTERED SOCIETY OF SYNTHETIC PHYSIO THERAPY LIMITED -THE- | Private company limited by shares | Live |
| SOCIETY OF SYNTHETIC MANUAL PHYSIO THERAPISTS LIMITED -THE- | Private company limited by shares | Dissolved |
| SYNTHETIC SOLUTIONS LIMITED | Private company limited by shares | Live |
| China Synthetic Source Group Limited | | Live |
| SYNOCH SYNTHETIC MANUFACTORY LIMITED | Private company limited by shares | Dissolved |
| Synthetic Wind Technology Limited | | Live |
| WELLEN SYNTHETIC TEXTILE LIMITED | Private company limited by shares | Live |
| SYNTHETIC TEXTILES LIMITED | Private company limited by shares | Live |
| THERMO SYNTHETIC MATERIALS COMPANY LIMITED | Private company limited by shares | Dissolved |
| SYNTHETIC TRADING LIMITED | Private company limited by shares | Dissolved |
| UNITED SYNTHETIC NETTING & WEAVING FACTORY LIMITED | Private company limited by shares | Dissolved |
| VANQUISH HK SYNTHETIC CO. LIMITED | Private company limited by shares | Live |
| WINNER SYNTHETIC MONOFILAMENT LIMITED | Private company limited by shares | Dissolved |
| WINNET SYNTHETIC COMPANY LIMITED | Private company limited by shares | Live |
| SYNTHETIC-I (HK) LIMITED | Private company limited by shares | Live |
| TAIWAN JIXIANG ALUMINUM PLASTIC SYNTHETICS CO., LIMITED | Private company limited by shares | Dissolved |
| TAIWAN JIXIANG ALUMINUM PLASTIC SYNTHETICS CO., LIMITED | Private company limited by shares | Dissolved |
| SHANGHAI JIXIANG ALUMINUM PLASTIC SYNTHETICS CO., LIMITED | Private company limited by shares | Dissolved |
| FUTURE SYNTHETICS LIMITED | Private company limited by shares | Live |
| STANDARD SYNTHETICS LIMITED | Private company limited by shares | Dissolved |
| SUNTEX SYNTHETICS LIMITED | Private company limited by shares | Dissolved |
| SYNTHETIK LIMITED | Private company limited by shares | Live |
| Synthex Limited | | Live |
| SYNTHIIZ LIMITED | | Live |
| Claves Synthis Pte Limited | Private company limited by shares | Live |
| SynthJoy Technology Limited | | Live |
| SynthMind AI Limited | | Live |
| Synthnova Limited | Private company limited by shares | Live |
| SYNTHOCHIRALS HONG KONG LIMITED | Private company limited by shares | Live |
| SYNTHON LIMITED | Private company limited by shares | Dissolved |
| SYNTHSS LIMITED | Private company limited by shares | Live |
| Synticate Limited | Private company limited by shares | Live |
| SYNTONE (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| Syntony Limited | Private company limited by shares | Live |
| SYNTOP LIMITED | Private company limited by shares | Dissolved |
| SYNTOP CO., LIMITED | Private company limited by shares | Live |
| SYNTOP (HONGKONG) CO., LIMITED | Private company limited by shares | Live |
| Syntop Technology Co., Limited | Private company limited by shares | Live |
| SYNTOR ASIA LIMITED | Private company limited by shares | Dissolved |
| SYNTRADE INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SYNTRAL LIMITED | Private company limited by shares | Live |
| SYNTRAN (HONG KONG) COMPANY, LIMITED | Private company limited by shares | Dissolved |
| Syntrend Limited | | Live |
| SYNTRON LIMITED | Private company limited by shares | Dissolved |
| SYNTRON COMPANY LIMITED | Private company limited by shares | Dissolved |
| SYNTRON INC. LIMITED | Private company limited by shares | Live |
| Syntronics Company Limited | Private company limited by shares | Live |
| SYNTRONICS (HK) LIMITED | Private company limited by shares | Dissolved |
| SYNTRONIX INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SYNTXT LIMITED | Private company limited by shares | Live |
| SYNTYPE INDUSTRY COMPANY LIMITED | Private company limited by shares | Live |
| SYNV INTERNATIONAL TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| SYNVA WORLDWIDE LIMITED | | Live |
| SynVest China Limited | Private company limited by shares | Dissolved |
| SYNVESTMENT CO., LIMITED | Private company limited by shares | Live |
| SYNWILL LIMITED | Private company limited by shares | Dissolved |
| SYNWIN ELECTRONICS LIMITED | Private company limited by shares | Live |
| Synwin Trading Company Limited | Private company limited by shares | Live |
| SYNWOODS LIMITED | Private company limited by shares | Live |
| SYNWOODS INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SYNXIA PHOTONIC TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Synxo Limited | Private company limited by shares | Dissolved |
| Synxpace Limited | Private company limited by shares | Live |
| SYOB COMPANY LIMITED | Private company limited by shares | Dissolved |
| Syohachi Management Limited | Private company limited by shares | Live |