| EACH OPTO ELECTRONICS INDUSTRIAL CO., LIMITED | Private company limited by shares | Dissolved |
| OPEN OPTO INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Live |
| Opto PAC Inc. Hong Kong Co., Limited | Private company limited by shares | Dissolved |
| Orient Opto Hong Kong Limited | Private company limited by shares | Live |
| OPTO SENSORS HONG KONG LIMITED | Private company limited by shares | Dissolved |
| LEDUS OPTO LIGHTING COMPANY LIMITED | Private company limited by shares | Dissolved |
| NEXEL OPTO LIMITED | Private company limited by shares | Dissolved |
| Opti Opto Limited | Private company limited by shares | Live |
| OSRAM Opto Semiconductors Asia Limited | Private company limited by shares | Live |
| POWER OPTO COMPANY LIMITED | Private company limited by shares | Dissolved |
| PRECISION OPTO ELECTRONICS COMPANY LIMITED | Private company limited by shares | Live |
| REGENT OPTO ELECTRONICS LIMITED | Private company limited by shares | Dissolved |
| OPTO SEIKO LIMITED | Private company limited by shares | Dissolved |
| Shanghai Qinwang Opto Co., Limited | Private company limited by shares | Live |
| SNTLL Opto Semiconductors (Asia) Limited | Private company limited by shares | Live |
| OPTO SOLUTION LIMITED | Private company limited by shares | Dissolved |
| SUNLIGHT OPTO LIMITED | Private company limited by shares | Live |
| SUNN OPTO HK COMPANY LIMITED | Private company limited by shares | Live |
| Sunpower Opto Electronics Limited | Private company limited by shares | Dissolved |
| SUNWICK OPTO LIMITED | Private company limited by shares | Dissolved |
| SUPERB OPTO LIMITED | Private company limited by shares | Dissolved |
| YES OPTO TECH LIMITED | Private company limited by shares | Live |
| Colorado Opto Tech Limited | Private company limited by shares | Live |
| OPTO ONE TECHNOLOGY LIMITED | Private company limited by shares | Live |
| WAI CHI OPTO TECHNOLOGY LIMITED | Private company limited by shares | Live |
| OPTO TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Chows Opto Technology Limited | Private company limited by shares | Live |
| CONCORD OPTO ELECTRIC TECHNOLOGY SHARES LIMITED | Private company limited by shares | Live |
| Nusonnex Opto Technology Limited | Private company limited by shares | Dissolved |
| SHENZHEN OPTO TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| HP WINNER OPTO LIMITED | Private company limited by shares | Live |
| HK XINCAIJIA OPTO LIMITED | Private company limited by shares | Live |
| YING FAI OPTO ELECTRONICS TECHNOLOGY CO. LIMITED | Private company limited by shares | Live |
| Shenzhen Yonton Opto Co., Limited | Private company limited by shares | Live |
| OPTOCHEM LIMITED | Private company limited by shares | Dissolved |
| OPTOCON LIMITED | Private company limited by shares | Dissolved |
| OPTODISC LIMITED | Private company limited by shares | Live |
| LEAD OPTOE LIMITED | Private company limited by shares | Live |
| OPPO OPTOE LIGHTING LIMITED | Private company limited by shares | Dissolved |
| Opto-Edu (H.K.) Limited | | Live |
| COOLLUX OPTOELCTRONIC TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| FORTUNE OPTO-ELE CO., LIMITED | Private company limited by shares | Live |
| Wangda WD Optoele Ctronics Technology Co., Limited | Private company limited by shares | Live |
| Shenzhen Kairui Opto-elec Co., Limited | Private company limited by shares | Live |
| DNL OPTOELEC SYSTEMS LIMITED | Private company limited by shares | Live |
| GL OPTO-ELEC TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Tiya Optoelec Technology Co., Limited | Private company limited by shares | Live |
| YIMA OPTOELEC CO., LIMITED | Private company limited by shares | Live |
| HK LIANXIN OPTOELECS CO., LIMITED | Private company limited by shares | Live |
| POLYLIGHT OPTOELECTONICS COMPANY LIMITED | Private company limited by shares | Dissolved |
| HOPE LED OPTO-ELECTRIC CO., LIMITED | Private company limited by shares | Live |
| Shenzhen Supree Optoelectric Co., Limited | Private company limited by shares | Live |
| TEKHOL OPTOELECTRIC CO., LIMITED | Private company limited by shares | Live |
| SHENZHEN LONGLAT OPTOELECTRIC CO. LIMITED | Private company limited by shares | Live |
| OMEGA OPTO-ELECTRIC LIMITED | Private company limited by shares | Dissolved |
| Yourlite Optoelectric Limited | Private company limited by shares | Live |
| LG OPTO-ELECTRICAL COMPANY LIMITED | Private company limited by shares | Live |
| G-Lite Optoelectroincs Co., Limited | Private company limited by shares | Live |
| HBB OPTOELECTRONIC LIMITED | Private company limited by shares | Dissolved |
| CCL Opto-Electronic Limited | Private company limited by shares | Dissolved |
| STH OPTOELECTRONIC CO. LIMITED | Private company limited by shares | Dissolved |
| HK DRQ OPTOELECTRONIC LIMITED | Private company limited by shares | Live |
| ALLTAKE OPTO-ELECTRONIC LIMITED | Private company limited by shares | Live |
| HK CHENXU OPTOELECTRONIC LIMITED | Private company limited by shares | Live |
| CRYSCORE OPTOELECTRONIC LIMITED | Private company limited by shares | Live |
| DINGHE OPTO-ELECTRONIC LIMITED | Private company limited by shares | Dissolved |
| GUIDELIGHT OPTO-ELECTRONIC COMPANY LIMITED | Private company limited by shares | Dissolved |
| HILAN OPTOELECTRONIC LIMITED | | Live |
| HITECH OPTO-ELECTRONIC COMPANY LIMITED | Private company limited by shares | Live |
| HONGSHINE OPTO-ELECTRONIC LIMITED | Private company limited by shares | Live |
| LUKANBOW OPTO-ELECTRONIC LIMITED | Private company limited by shares | Live |
| PACIFIC OPTOELECTRONIC LIMITED | Private company limited by shares | Live |
| RUXI OPTOELECTRONIC LIMITED | Private company limited by shares | Live |
| SANLEE OPTOELECTRONIC LIMITED | Private company limited by shares | Live |
| SEALED OPTOELECTRONIC LIMITED | Private company limited by shares | Live |
| SENSE OPTO-ELECTRONIC COMPANY LIMITED | Private company limited by shares | Dissolved |
| Shining Opto-electronic Limited | Private company limited by shares | Live |
| KONG SMART OPTOELECTRONIC LIMITED | Private company limited by shares | Live |
| Shenzhen Smyled Optoelectronic Limited | Private company limited by shares | Live |
| Sunrise Opto-Electronic Innovation Limited | | Live |
| SHENZHEN UENERGY OPTOELECTRONIC LIMITED | Private company limited by shares | Live |
| XUFEI OPTOELECTRONIC HK LIMITED | | Live |
| Yeetek Optoelectronic Co. Limited | Private company limited by shares | Dissolved |
| HUA YU OPTOELECTRONICS LIMITED | Private company limited by shares | Dissolved |
| KAO OPTOELECTRONICS COMPANY LIMITED | Private company limited by shares | Dissolved |
| Yee Tat Optoelectronics Limited | Private company limited by shares | Dissolved |
| HK BO OPTOELECTRONICS LIMITED | Private company limited by shares | Live |
| ABM OPTO-ELECTRONICS LIMITED | Private company limited by shares | Live |
| EST OPTO-ELECTRONICS LIMITED | Private company limited by shares | Live |
| GR8 OPTOELECTRONICS LIMITED | Private company limited by shares | Live |
| Neo Ray Optoelectronics Limited | Private company limited by shares | Live |
| OptoElectronics HK Limited | | Live |
| AXM OPTOELECTRONICS LIMITED | | Live |
| ANHUA OPTOELECTRONICS (HK) LIMITED | Private company limited by shares | Live |
| EVER BRIGHT OPTO-ELECTRONICS CO., LIMITED | Private company limited by shares | Live |
| SUPER BRIGHT OPTOELECTRONICS CO., LIMITED | Private company limited by shares | Live |
| SHENZHEN BUDDY OPTOELECTRONICS LIMITED | Private company limited by shares | Live |
| CHINA-HK OPTOELECTRONICS ASSOCIATION LIMITED | Company limited by guarantee | Dissolved |
| CLEN OPTOELECTRONICS CO., LIMITED | Private company limited by shares | Live |
| CONSTANT OPTOELECTRONICS CO., LIMITED | Private company limited by shares | Dissolved |