| HT CIRCUITS LIMITED | Private company limited by shares | Live |
| YUE WAH CIRCUITS COMPANY LIMITED | Private company limited by shares | Live |
| UNI CIRCUITS LIMITED | Private company limited by shares | Dissolved |
| LPC CIRCUITS LIMITED | Private company limited by shares | Live |
| JF CIRCUITS LIMITED | Private company limited by shares | Live |
| Q & D CIRCUITS COMPANY LIMITED | Private company limited by shares | Live |
| JS CIRCUITS LIMITED | Private company limited by shares | Dissolved |
| RS CIRCUITS LIMITED | Private company limited by shares | Dissolved |
| RON CIRCUITS LIMITED | Private company limited by shares | Live |
| FCF CIRCUITS LIMITED | Private company limited by shares | Live |
| ZZH CIRCUITS LIMITED | Private company limited by shares | Live |
| Max Circuits Limited | Private company limited by shares | Live |
| C & T CIRCUITS LIMITED | Private company limited by shares | Live |
| WMD CIRCUITS LIMITED | Private company limited by shares | Live |
| AMS Circuits Company Limited | Private company limited by shares | Live |
| LDJ Circuits Company Limited | Private company limited by shares | Live |
| ST Circuits Company Limited | Private company limited by shares | Live |
| Key Circuits Limited | Private company limited by shares | Live |
| ABIS CIRCUITS CO., LIMITED | Private company limited by shares | Live |
| ABIS CIRCUITS (HK) CO., LIMITED | Private company limited by shares | Live |
| ALLIED PRINTED CIRCUITS HK LIMITED | Private company limited by shares | Live |
| ALPHA CIRCUITS LIMITED | Private company limited by shares | Dissolved |
| Altersprint Circuits Limited | Private company limited by shares | Live |
| ANDWIN CIRCUITS CO., LIMITED | Private company limited by shares | Live |
| ARCHER CIRCUITS LIMITED | Private company limited by shares | Live |
| ARTNITEX CIRCUITS MANUFACTORY LIMITED | Private company limited by shares | Dissolved |
| ELECTRONIC CIRCUITS & ASSEMBLY COMPANY LIMITED | Private company limited by shares | Live |
| AVID CIRCUITS CO., LIMITED | Private company limited by shares | Live |
| BASIC CIRCUITS COMPANY LIMITED | Private company limited by shares | Dissolved |
| BESTECH CIRCUITS (HK) LIMITED | Private company limited by shares | Live |
| Bestwell circuits Limited | Private company limited by shares | Live |
| HING KEUNG PRINTED CIRCUITS BOARD LIMITED | Private company limited by shares | Live |
| KINGVIEW CIRCUITS BOARD LIMITED | Private company limited by shares | Live |
| WELFARE PRINTED CIRCUITS BOARD COMPANY LIMITED | Private company limited by shares | Live |
| TEAMPOWER CIRCUITS BOARD LIMITED | Private company limited by shares | Live |
| ONPRESS PRINTED CIRCUITS BOARDS LIMITED | Private company limited by shares | Live |
| Bozee Circuits Co., Limited | Private company limited by shares | Live |
| BRAIN POWER CIRCUITS CO., LIMITED | Private company limited by shares | Live |
| Bright Circuits Co., Limited | Private company limited by shares | Live |
| DRAGON BRIGHT CIRCUITS LIMITED | Private company limited by shares | Live |
| BRIGHT ELECTRONIC CIRCUITS LIMITED | Private company limited by shares | Live |
| BRIGHTECH CIRCUITS LIMITED | Private company limited by shares | Dissolved |
| CAMLIFT CIRCUITS CO., LIMITED | Private company limited by shares | Live |
| CAMTECH CIRCUITS LIMITED | Private company limited by shares | Live |
| Zhuhai Camtech Circuits Co., Limited | Private company limited by shares | Dissolved |
| CARVEN CIRCUITS LIMITED | Private company limited by shares | Live |
| CON CENTRIC CIRCUITS COMPANY LIMITED | Private company limited by shares | Live |
| PRINTED CIRCUITS TECHNOLOGY (CHINA) LIMITED | Private company limited by shares | Live |
| IFC CIRCUITS CO., LIMITED | Private company limited by shares | Dissolved |
| TBS Circuits Co., Limited | Private company limited by shares | Live |
| DSX Circuits Co., Limited | Private company limited by shares | Dissolved |
| A-Tech Circuits Co., Limited | Private company limited by shares | Live |
| Champion Asia Circuits Co., Limited | Private company limited by shares | Live |
| EAST CIRCUITS TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Fastline Circuits Co., Limited | Private company limited by shares | Live |
| SHENZHEN FOUNDING CIRCUITS CO., LIMITED | Private company limited by shares | Live |
| GENERAL CIRCUITS CO., LIMITED | Private company limited by shares | Live |
| HITECH CIRCUITS CO., LIMITED | Private company limited by shares | Live |
| SHENZHEN HUIHE CIRCUITS CO., LIMITED | Private company limited by shares | Live |
| KEEP MOVING CIRCUITS CO., LIMITED | Private company limited by shares | Live |
| HK NATIONAL INTEGRATED CIRCUITS TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Asia Pacific Circuits Co., Limited | Private company limited by shares | Live |
| PROMINENT CIRCUITS CO., LIMITED | Private company limited by shares | Dissolved |
| RUNTOP CIRCUITS TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| SHENNAN CIRCUITS CO., LIMITED | Private company limited by shares | Live |
| Shiyu Circuits Co., Limited | Private company limited by shares | Live |
| SINOWAY CIRCUITS CO., LIMITED | Private company limited by shares | Live |
| STARIVER CIRCUITS CO., LIMITED | Private company limited by shares | Live |
| SUNTETCH CIRCUITS CO., LIMITED | Private company limited by shares | Live |
| GT CIRCUITS TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Q&D Circuits Technology Co., Limited | Private company limited by shares | Live |
| Top Circuits Technology Co., Limited | Private company limited by shares | Live |
| Asinda Circuits Technology Co., Limited | Private company limited by shares | Live |
| ON BOARD CIRCUITS TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Topline Circuits Co., Limited | | Live |
| Toptech Circuits Co., Limited | Private company limited by shares | Live |
| UNIT CIRCUITS CO., LIMITED | Private company limited by shares | Live |
| COJOIN CIRCUITS LIMITED | Private company limited by shares | Live |
| Cojoin circuits HK Limited | | Live |
| ADVANCED ANALOG CIRCUITS CORPORATION LIMITED | Private company limited by shares | Live |
| EVERWIN CIRCUITS DIESETS MANUFACTORY LIMITED | Private company limited by shares | Dissolved |
| ELECTECH CIRCUITS LIMITED | Private company limited by shares | Live |
| SUNKING CIRCUITS ELECTRONIC CO., LIMITED | Private company limited by shares | Live |
| TOP CIRCUITS ELECTRONICS LIMITED | Private company limited by shares | Dissolved |
| TOP CIRCUITS ELECTRONICS LIMITED | Private company limited by shares | Live |
| HENSENSE CIRCUITS ELECTRONICS CO., LIMITED | Private company limited by shares | Dissolved |
| ESTEC CITY CIRCUITS LIMITED | Private company limited by shares | Dissolved |
| HK EXCEL CIRCUITS LIMITED | Private company limited by shares | Live |
| EXCELLENT CIRCUITS COMPANY LIMITED | Private company limited by shares | Dissolved |
| MUN WAH CIRCUITS FACTORY LIMITED | Private company limited by shares | Dissolved |
| MING WAH CIRCUITS FACTORY LIMITED | Private company limited by shares | Live |
| FAST CIRCUITS LIMITED | Private company limited by shares | Live |
| Shenzhen Fast Circuits HK Limited | Private company limited by shares | Live |
| Fastlink Circuits Limited | Private company limited by shares | Live |
| Sanhe Fastprint Circuits Co., Limited | Private company limited by shares | Live |
| F.C.E CIRCUITS BOARD LIMITED | Private company limited by shares | Dissolved |
| Nippon Anhua Flexible Circuits Limited | Private company limited by shares | Dissolved |
| Shenzhen Galactic Circuits Company Limited | Private company limited by shares | Live |
| GENTECH CIRCUITS LIMITED | Private company limited by shares | Live |
| Giant Change Circuits Company Limited | | Live |