| 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 |
| CREATECH OPTOELECTRONICS LIMITED | Private company limited by shares | Live |
| CURSORLUX OPTOELECTRONICS CO., LIMITED | Private company limited by shares | Live |
| HK DAYOU OPTOELECTRONICS LIMITED | | Live |
| Dobiy Optoelectronics (HK) Limited | Private company limited by shares | Live |
| SHENZHEN ECO-LIGHTING OPTOELECTRONICS CO., LIMITED | Private company limited by shares | Live |
| ELITE OPTOELECTRONICS (HK) LIMITED | Private company limited by shares | Live |
| ENBON OPTOELECTRONICS LIMITED | Private company limited by shares | Live |
| Shenzhen Green Energy Optoelectronics Co., Limited | Private company limited by shares | Live |
| eProTech Optoelectronics Co. Limited | Private company limited by shares | Live |
| ESTAR OPTOELECTRONICS TECH CO., LIMITED | Private company limited by shares | Dissolved |
| EVERMAY OPTOELECTRONICS (HK) LIMITED | Private company limited by shares | Live |
| EXCEL OPTOELECTRONICS COMPANY LIMITED | Private company limited by shares | Live |
| EXLITE OPTOELECTRONICS LIMITED | Private company limited by shares | Live |
| FAIRTEK OPTOELECTRONICS INCORPORATED LIMITED | Private company limited by shares | Live |
| Fibreach Optoelectronics Co., Limited | Private company limited by shares | Live |
| FOCONO OPTOELECTRONICS COMPANY LIMITED | Private company limited by shares | Live |
| ForeTech Opto-Electronics Limited | Private company limited by shares | Live |
| FUDEX OPTO-ELECTRONICS LIMITED | Private company limited by shares | Dissolved |
| GENESIS OPTOELECTRONICS LIMITED | Private company limited by shares | Dissolved |
| G-NOR OPTOELECTRONICS CO., LIMITED | Private company limited by shares | Live |
| GOOD HARVEST OPTOELECTRONICS LIMITED | Private company limited by shares | Live |
| FOSHAN GREEN OPTOELECTRONICS CO., LIMITED | Private company limited by shares | Dissolved |
| GUANGDONG FOSHAN LIGHTING OPTOELECTRONICS CO., LIMITED | Private company limited by shares | Live |
| ShenZhen Guoye Optoelectronics Co., Limited | Private company limited by shares | Live |
| HAPPY OPTOELECTRONICS LIMITED | Private company limited by shares | Dissolved |
| HaSun Optoelectronics (HK) Co., Limited | Private company limited by shares | Live |
| HITECHLED OPTOELECTRONICS CO. LIMITED | Private company limited by shares | Live |
| Encyclopedia Optoelectronics Hong Kong Limited | | Live |
| Haotai Optoelectronics (Hong Kong) Co., Limited | Private company limited by shares | Live |
| LightUp Optoelectronics (Hong Kong) Company Limited | Private company limited by shares | Live |
| MICROTEC OPTOELECTRONICS (HONG KONG) LIMITED | Private company limited by shares | Live |
| Hong Kong Milano opto-electronics Co., Limited | Private company limited by shares | Live |
| Tianye Optoelectronics (Hong Kong) Co., Limited | | Live |
| SHENZHEN HONGLONG OPTOELECTRONICS CO., LIMITED | Private company limited by shares | Live |
| HOPE OPTOELECTRONICS LIMITED | Private company limited by shares | Dissolved |
| HUAYUAN OPTOELECTRONICS COMPANY LIMITED | Private company limited by shares | Dissolved |
| HUIJIA OPTO-ELECTRONICS CO., LIMITED | Private company limited by shares | Dissolved |