| DAE YANG OPTEK LIMITED | Private company limited by shares | Live |
| OPTEL LIMITED | Private company limited by shares | Dissolved |
| Optel Company Limited | Private company limited by shares | Live |
| OPTELE CHANNEL LIMITED | Private company limited by shares | Dissolved |
| OPTEN LIMITED | Private company limited by shares | Dissolved |
| Opter Limited | | Live |
| OPTERNA TECHNOLOGIES COMPANG LIMITED | Private company limited by shares | Live |
| OPTEX LIMITED | Private company limited by shares | Dissolved |
| OPTEX (H.K.) LIMITED | Private company limited by shares | Live |
| OPTEX INTERNATIONAL LIMITED | | Live |
| Optex Technology Co., Limited | Private company limited by shares | Live |
| EXMAR OPTI LIMITED | Private company limited by shares | Live |
| OPTIAIRE LIMITED | Private company limited by shares | Dissolved |
| Optiarc Limited | Private company limited by shares | Live |
| OPTIBEST TECHNOLOGY LIMITED | Private company limited by shares | Live |
| OPTIBIZ (HONG KONG) LIMITED | Private company limited by shares | Live |
| OPTIC INN LIMITED | Private company limited by shares | Dissolved |
| NCC OPTIC LIMITED | Private company limited by shares | Dissolved |
| GK OPTIC LIMITED | Private company limited by shares | Dissolved |
| DGN OPTIC HK LIMITED | Private company limited by shares | Live |
| OPTIC PRO COMPANY LIMITED | Private company limited by shares | Live |
| Carelink Optic Limited | Private company limited by shares | Live |
| CHUNG YAT OPTIC COMPANY LIMITED | Private company limited by shares | Live |
| DONG FANG OPTIC INVESTMENT LIMITED | Private company limited by shares | Live |
| HUMAN OPTIC COMPANY LIMITED | Private company limited by shares | Live |
| Icon Optic Limited | Private company limited by shares | Live |
| SHENZHEN JIAFU OPTIC COMPANY LIMITED | Private company limited by shares | Live |
| KEVIN OPTIC COMPANY LIMITED | Private company limited by shares | Live |
| Ju Liang Optic Limited | Private company limited by shares | Live |
| OTTO OPTIC LIMITED | Private company limited by shares | Live |
| TIME OPTIC COMPANY LIMITED | Private company limited by shares | Dissolved |
| OPTIC2DAY HK LIMITED | Private company limited by shares | Live |
| OPTICA LIMITED | Private company limited by shares | Dissolved |
| OPTICA LIMITED | Private company limited by shares | Live |
| LAP HIN OPTICAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| ITO OPTICAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| ANN OPTICAL LIMITED | Private company limited by shares | Dissolved |
| YAU YEE OPTICAL COMPANY LIMITED | Private company limited by shares | Live |
| HO HOP OPTICAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| SKY OPTICAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| FOX OPTICAL COMPANY LIMITED | Private company limited by shares | Live |
| C. D. OPTICAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| OPTICAL 88 LIMITED | Private company limited by shares | Live |
| 68 OPTICAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| SIC SUN OPTICAL LIMITED | Private company limited by shares | Dissolved |
| TOP OPTICAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| K. H. OPTICAL COMPANY LIMITED | Private company limited by shares | Live |
| P & C OPTICAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| U OPTICAL LIMITED | Private company limited by shares | Live |
| TEN TO TEN OPTICAL LIMITED | Private company limited by shares | Dissolved |
| IN OPTICAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| MEI YI OPTICAL LIMITED | Private company limited by shares | Dissolved |
| IWA OPTICAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| WIN WIN OPTICAL LIMITED | Private company limited by shares | Dissolved |
| O'S OPTICAL COMPANY LIMITED | Private company limited by shares | Live |
| ACE OPTICAL LIMITED | Private company limited by shares | Live |
| YAT HIM OPTICAL LIMITED | Private company limited by shares | Live |
| C2 OPTICAL LIMITED | Private company limited by shares | Live |
| TAK LEE OPTICAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| SIN HUA OPTICAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| C. O. D. OPTICAL COMPANY LIMITED | Private company limited by shares | Live |
| Bo Wan Optical Limited | Private company limited by shares | Dissolved |
| S & J OPTICAL LIMITED | Private company limited by shares | Live |
| B & M OPTICAL LIMITED | Private company limited by shares | Live |
| EYE BAR OPTICAL COMPANY LIMITED | Private company limited by shares | Live |
| LOK HEI OPTICAL COMPANY LIMITED | Private company limited by shares | Live |
| SUN OPTICAL LIMITED | Private company limited by shares | Live |
| HIT OPTICAL LIMITED | Private company limited by shares | Live |
| SKY OPTICAL COMPANY LIMITED | Private company limited by shares | Live |
| A & E OPTICAL LIMITED | Private company limited by shares | Live |
| YU YI OPTICAL LIMITED | Private company limited by shares | Dissolved |
| CSG OPTICAL LIMITED | Private company limited by shares | Dissolved |
| YAT TIM OPTICAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| W OPTICAL LIMITED | Private company limited by shares | Live |
| ANG OPTICAL COMPANY LIMITED | Private company limited by shares | Live |
| SUM WAN OPTICAL LIMITED | Private company limited by shares | Dissolved |
| KIN YI OPTICAL COMPANY LIMITED | Private company limited by shares | Live |
| HAI WAI OPTICAL COMPANY LIMITED | Private company limited by shares | Live |
| YEN OPTICAL LIMITED | Private company limited by shares | Live |
| WO OPTICAL COMPANY LIMITED | Private company limited by shares | Live |
| HOI TIN OPTICAL CO. LIMITED | Private company limited by shares | Live |
| YOL Optical Limited | Private company limited by shares | Live |
| A OPTICAL LIMITED | Private company limited by shares | Dissolved |
| JIN RUI SHI OPTICAL COMPANY LIMITED | Private company limited by shares | Live |
| OOH OPTICAL LIMITED | Private company limited by shares | Live |
| P & E OPTICAL LIMITED | Private company limited by shares | Live |
| JUN FOR OPTICAL COMPANY LIMITED | Private company limited by shares | Live |
| YAN OPTICAL COMPANY LIMITED | Private company limited by shares | Live |
| FLY RED OPTICAL LIMITED | Private company limited by shares | Live |
| SRS OPTICAL COMPANY LIMITED | Private company limited by shares | Live |
| BV Optical Limited | Private company limited by shares | Live |
| JY Optical HK Company Limited | Private company limited by shares | Live |
| CAC OPTICAL LIMITED | Private company limited by shares | Live |
| NGS OPTICAL Limited | Private company limited by shares | Live |
| Ago Optical Co. Limited | Private company limited by shares | Live |
| EFY OPTICAL LIMITED | Private company limited by shares | Live |
| NEW U OPTICAL LIMITED | Private company limited by shares | Live |
| Win Optical Co. Limited | Private company limited by shares | Live |
| P & T OPTICAL LIMITED | Private company limited by shares | Live |
| PVT OPTICAL LIMITED | Private company limited by shares | Live |