| Walsun Optics Limited | Private company limited by shares | Live |
| Tow Well Optics Limited | | Live |
| Well Optics Co., Limited | Private company limited by shares | Live |
| WENZHOU FC OPTICS LIMITED | Private company limited by shares | Live |
| WONDER OPTICS LIMITED | | Live |
| Yeshi Optics Limited | Private company limited by shares | Live |
| XIAMEN YIHONG OPTICS LIMITED | Private company limited by shares | Live |
| YIRAN OPTICS CO., LIMITED | Private company limited by shares | Live |
| YUCHEN OPTICS CO., LIMITED | Private company limited by shares | Live |
| ZONE OPTICS LIMITED | Private company limited by shares | Live |
| OPTIC-SCIENCE COMPANY LIMITED | Private company limited by shares | Dissolved |
| Opticshock Asia Limited | Private company limited by shares | Live |
| OPTICS-LINK COMPANY LIMITED | Private company limited by shares | Dissolved |
| OPTICSMIND LIMITED | Private company limited by shares | Live |
| OPTICTEK LIMITED | Private company limited by shares | Dissolved |
| DEVELOP OPTICTRONICS LIMITED | Private company limited by shares | Dissolved |
| HONG KONG OPTICWAVE LIMITED | Private company limited by shares | Live |
| OPTIDIGIT LIMITED | Private company limited by shares | Dissolved |
| EXMAR Opti-EX (HK) Limited | Private company limited by shares | Dissolved |
| OPTIEXPRESS LIMITED | Private company limited by shares | Dissolved |
| OPTIFLOW PACIFIC LIMITED | Private company limited by shares | Dissolved |
| OptiFocus Technology Co,. Limited | | Live |
| OPTIGAIN COMPANY LIMITED | Private company limited by shares | Dissolved |
| OPTIGMA HK LIMITED | Private company limited by shares | Live |
| OPTIGRAPHIC COMPANY LIMITED | Private company limited by shares | Dissolved |
| Optihealth International Limited | Private company limited by shares | Live |
| Optii Solutions Limited | Private company limited by shares | Live |
| G. OPTIK LIMITED | Private company limited by shares | Live |
| Nu Optik Limited | Private company limited by shares | Live |
| V CARE OPTIK LIMITED | Private company limited by shares | Live |
| OPTIK FRONTIER LIMITED | Private company limited by shares | Dissolved |
| Premio Optik Company Limited | Private company limited by shares | Live |
| OPTIKA LIMITED | Private company limited by shares | Dissolved |
| Optiko Limited | Private company limited by shares | Live |
| OPTIKOM TECHNOLOGY (H.K.) LIMITED | Private company limited by shares | Dissolved |
| OPTILAB LIMITED | Private company limited by shares | Live |
| Optiled Insight Limited | Private company limited by shares | Dissolved |
| Optiled Installers Limited | Private company limited by shares | Dissolved |
| OPTILED LIGHTING INTERNATIONAL LIMITED | Private company limited by shares | Live |
| OPTILED ASIA PACIFIC LIMITED | Private company limited by shares | Dissolved |
| Optiled LED Lighting Technology Limited | Private company limited by shares | Dissolved |
| OPTILINE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SHENZHEN FUTURE OPTILINK TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| OPTILINK COMMUNICATIONS (INT'L) LIMITED | Private company limited by shares | Dissolved |
| OPTILINK ASIA GROUP LIMITED | Private company limited by shares | Dissolved |
| OPTILINK TECHNOLOGIES ASIA LIMITED | Private company limited by shares | Dissolved |
| Optilink Universal Holding Limited | Private company limited by shares | Live |
| Optilon Technology Co., Limited | Private company limited by shares | Live |
| OPTIM INVESTMENT (CHINA) LIMITED | Private company limited by shares | Dissolved |
| OPTIM CO., LIMITED | Private company limited by shares | Live |
| Optim Trade Co., Limited | Private company limited by shares | Live |
| OPTIM FURNITURE COMPANY LIMITED | Private company limited by shares | Dissolved |
| OPTIM GROUP LIMITED | Private company limited by shares | Live |
| OPTIM (HK) LIMITED | Private company limited by shares | Live |
| NM OPTIM (HONG KONG) LIMITED | Private company limited by shares | Live |
| Hongkong Optim Production Limited | Private company limited by shares | Live |
| OPTIM CONSULT INDUSTRIAL GROUP LIMITED | Private company limited by shares | Live |
| OPTIM CONSULT INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| Optim Wines HK Limited | Private company limited by shares | Live |
| Optim Wisdom Limited | Private company limited by shares | Live |
| OPTIMA COMPANY LIMITED | Private company limited by shares | Dissolved |
| OPTIMA LIMITED | Private company limited by shares | Live |
| Optima WFM Limited | Private company limited by shares | Live |
| Optima Aesthetics Group Limited | Private company limited by shares | Live |
| OPTIMA (ASIA) LIMITED | Private company limited by shares | Dissolved |
| OPTIMA ASIA LIMITED | Private company limited by shares | Dissolved |
| Optima Asia Limited | Private company limited by shares | Live |
| Terra Optima Asia Limited | Private company limited by shares | Live |
| Optima Capital Limited | Private company limited by shares | Live |
| OPTIMA CELL SOLUTIONS COMPANY LIMITED | | Live |
| GARANT OPTIMA CO., LIMITED | Private company limited by shares | Live |
| OPTIMA CHINA INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| OPTIMA MERCANTILE CO., LIMITED | Private company limited by shares | Live |
| OPTIMA COMMUNICATION ENGINEERING LIMITED | Private company limited by shares | Live |
| OPTIMA CONSULTANCY LIMITED | Private company limited by shares | Live |
| Optima Stage Consultants Limited | | Live |
| OPTIMA TECHNOLOGIES CORPORATION LIMITED | Private company limited by shares | Dissolved |
| OPTIMA INDUSTRIAL DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| OPTIMA FAR EAST LIMITED | Private company limited by shares | Dissolved |
| OPTIMA KITCHEN HEALTH ELECTRIC APPLIANCE (H.K) INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| Optima Electronics Limited | Private company limited by shares | Live |
| OPTIMA LIGHTING ELECTRONICS (ASIA) LIMITED | Private company limited by shares | Dissolved |
| OPTIMA ENETRPRISES LIMITED | Private company limited by shares | Dissolved |
| OPTIMA ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| Optima Enterprises Limited | Private company limited by shares | Live |
| OPTIMA EXHIBIT LIMITED | Private company limited by shares | Live |
| OPTIMA FLORAL SUPPLIES COMPANY LIMITED | Private company limited by shares | Dissolved |
| Optima Fortune Food Industrial Group Limited | Private company limited by shares | Live |
| OPTIMA FURNITURE COMPANY LIMITED | Private company limited by shares | Dissolved |
| OPTIMA GROUP LIMITED | Private company limited by shares | Dissolved |
| OPTIMA GROUP LIMITED | Private company limited by shares | Live |
| OPTIMA JEWELLERY GROUP LIMITED | Private company limited by shares | Dissolved |
| OPTIMA KITCHEN ELECTRIC APPLIANCES GUANGZHOU LIMITED | Private company limited by shares | Dissolved |
| OPTIMA HEALTH CARE LIMITED | Private company limited by shares | Dissolved |
| OPTIMA (H.K.) LIMITED | Private company limited by shares | Dissolved |
| PCB OPTIMA (HK) LIMITED | Private company limited by shares | Live |
| OPTIMA (HK) CO., LIMITED | Private company limited by shares | Live |
| OPTIMA INNOVATE (HK) CO., LIMITED | Private company limited by shares | Live |
| REX OPTIMA ART CONSULTANCY (HK) LIMITED | Private company limited by shares | Live |
| OPTIMA DESIGN (H.K.) LIMITED | Private company limited by shares | Dissolved |