| TRIGGER CHEMICALS LIMITED | Private company limited by shares | Live |
| TRINITY CHEMICALS LIMITED | Private company limited by shares | Dissolved |
| HK TRINITY CHEMICALS LIMITED | | Live |
| TRIPHASE CHEMICALS LIMITED | Private company limited by shares | Live |
| TSINLIEN CHEMICALS COMPANY LIMITED | Private company limited by shares | Dissolved |
| WING TSUEN CHEMICALS LIMITED | Private company limited by shares | Dissolved |
| TUNG YUE CHEMICALS LIMITED | Private company limited by shares | Dissolved |
| TUNG FU CHEMICALS LIMITED | Private company limited by shares | Dissolved |
| UNI-HINGE CHEMICALS LIMITED | Private company limited by shares | Dissolved |
| UNIMAX CHEMICALS LIMITED | Private company limited by shares | Live |
| UNIQUE CHEMICALS LIMITED | Private company limited by shares | Live |
| UNITED GAS AND CHEMICALS LIMITED | Private company limited by shares | Dissolved |
| UNITED CHEMICALS LIMITED | Private company limited by shares | Live |
| UNITED CHEMICALS INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNITED METALS AND CHEMICALS LIMITED | Private company limited by shares | Live |
| UNITED SUCCESS CHEMICALS COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNITON CHEMICALS COMPANY LIMITED | Private company limited by shares | Dissolved |
| VALLEY SPIRIT CHEMICALS LIMITED | Private company limited by shares | Live |
| VARIETY CHEMICALS COMPANY LIMITED | Private company limited by shares | Live |
| VERITY CHEMICALS COMPANY LIMITED | Private company limited by shares | Live |
| VERTEX CHEMICALS COMPANY LIMITED | Private company limited by shares | Dissolved |
| NEW VIGOROUS CHEMICALS COMPANY LIMITED | Private company limited by shares | Dissolved |
| VISION CHEMICALS LIMITED | Private company limited by shares | Live |
| VITAL CHEMICALS CO., LIMITED | Private company limited by shares | Dissolved |
| Vito Chemicals Limited | | Live |
| VORNOVIA CHEMICALS LIMITED | Private company limited by shares | Live |
| WATHY CHEMICALS LIMITED | Private company limited by shares | Live |
| WAYCOME CHEMICALS LIMITED | Private company limited by shares | Dissolved |
| WAYGAR CHEMICALS COMPANY LIMITED | Private company limited by shares | Live |
| WAYON CHEMICALS LIMITED | Private company limited by shares | Live |
| WEICAN CHEMICALS SCM LIMITED | | Live |
| WEIWEI CHEMICALS COMPANY LIMITED | Private company limited by shares | Live |
| WELEX CHEMICALS LIMITED | Private company limited by shares | Live |
| WELLMARK CHEMICALS LIMITED | Private company limited by shares | Dissolved |
| WELLS CHEMICALS COMPANY LIMITED | Private company limited by shares | Live |
| WINAGE CHEMICALS LIMITED | Private company limited by shares | Dissolved |
| WINCO CHEMICALS LIMITED | Private company limited by shares | Live |
| WING LEI (CHEMICALS) COMPANY LIMITED | Private company limited by shares | Dissolved |
| WINNER CHEMICALS LIMITED | Private company limited by shares | Live |
| WINNING CHEMICALS COMPANY LIMITED | Private company limited by shares | Dissolved |
| WINSTAR CHEMICALS COMPANY LIMITED | Private company limited by shares | Live |
| WINTERGREEN CHEMICALS COMPANY LIMITED | Private company limited by shares | Dissolved |
| WONDERFUL CHEMICALS LIMITED | Private company limited by shares | Live |
| Team Work Chemicals Limited | Private company limited by shares | Live |
| HK XIANFENG CHEMICALS LIMITED | Private company limited by shares | Live |
| Xichuan Chemicals Co., Limited | Private company limited by shares | Live |
| CAI XING CHEMICALS & DYESTUFFS LIMITED | Private company limited by shares | Live |
| XINKE CHEMICALS (HONG KONG) LIMITED | Private company limited by shares | Live |
| Xiya Chemicals Co., Limited | Private company limited by shares | Dissolved |
| KAI YANG PETROLEUM & CHEMICALS COMPANY LIMITED | Private company limited by shares | Live |
| YING WAH CHEMICALS COMPANY LIMITED | Private company limited by shares | Live |
| CHUNG YING CHEMICALS COMPANY LIMITED | Private company limited by shares | Live |
| YIP'S INK & CHEMICALS COMPANY LIMITED | Private company limited by shares | Live |
| Dong Yuan Chemicals Limited | Private company limited by shares | Live |
| KAM YUEN CHEMICALS COMPANY LIMITED | Private company limited by shares | Live |
| MAN YUEN FAT OIL AND CHEMICALS LIMITED | Private company limited by shares | Dissolved |
| PO YUEN CHEMICALS COMPANY LIMITED | Private company limited by shares | Dissolved |
| YUEN TAI CHEMICALS LIMITED | Private company limited by shares | Live |
| YUNG MAO CHEMICALS COMPANY LIMITED | Private company limited by shares | Live |
| Zenith Chemicals Limited | Private company limited by shares | Live |
| POON YIN CHEMICALTECHNOLOGY (HONGKONG) LIMITED | Private company limited by shares | Live |