| Canyon Circuits Holdings Limited | Private company limited by shares | Live |
| HONG KONG PRINTED CIRCUITS BOARD LIMITED | Private company limited by shares | Dissolved |
| Sen Yan Circuits (Hong Kong) Co., Limited | Private company limited by shares | Live |
| Shinewin Circuits (Hong Kong) Co., Limited | | Live |
| TIANJIAN ELECTRONIC (HONG KONG) CIRCUITS COMPANY LIMITED | Private company limited by shares | Dissolved |
| FINEPOINT CIRCUITS SYSTEM (HONG KONG) LIMITED | Private company limited by shares | Live |
| FUSHENG CIRCUITS (HONG KONG) LIMITED | Private company limited by shares | Live |
| H & T GLOBAL CIRCUITS (HONG KONG) CO., LIMITED | Private company limited by shares | Live |
| Key Circuits (Hong Kong) Limited | Private company limited by shares | Live |
| FASTTURN CIRCUITS (HONG KONG) LIMITED | Private company limited by shares | Live |
| UNITED CIRCUITS (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| ALLFAVOR CIRCUITS (HONGKONG) LIMITED | Private company limited by shares | Live |
| HONGKONG BESTPRINT CIRCUITS TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| HONGKONG DIANCHENG CIRCUITS CO., LIMITED | Private company limited by shares | Live |
| Metallic Circuits Electronics Technology (HongKong) Limited | Private company limited by shares | Live |
| Hongkong Inorsen Circuits Limited | Private company limited by shares | Live |
| HONGKONG LEADTOP CIRCUITS BOARD LIMITED | Private company limited by shares | Dissolved |
| MINGSHENG CIRCUITS (HONGKONG) LIMITED | Private company limited by shares | Live |
| ShenZhen Honlynn Circuits Company Limited | Private company limited by shares | Live |
| HUAYU CIRCUITS (HK) CO., LIMITED | Private company limited by shares | Live |
| HUGE FLOW PRINTED CIRCUITS BOARD COMPANY LIMITED | Private company limited by shares | Live |
| HUIHE CIRCUITS LIMITED | | Live |
| SHENZHEN HUIZHUO CIRCUITS CO., LIMITED | Private company limited by shares | Live |
| HURITECH CIRCUITS CO., LIMITED | Private company limited by shares | Live |
| Ideal Circuits Technology ( hong kong ) Limited | Private company limited by shares | Live |
| APEC CIRCUITS INDUSTRIAL ELECTRONIC CO., LIMITED | Private company limited by shares | Live |
| SKY WAY CIRCUITS INDUSTRIES COMPANY LIMITED | Private company limited by shares | Dissolved |
| FLEXICO CIRCUITS INDUSTRIES LIMITED | Private company limited by shares | Dissolved |
| INTEGRATED CIRCUITS PRODUCTION INDUSTRIES LIMITED | Private company limited by shares | Dissolved |
| SHENZHEN UNIQUE CIRCUITS INDUSTRIES LIMITED | Private company limited by shares | Live |
| INTEGRATED CIRCUITS LIMITED | Private company limited by shares | Dissolved |
| YIN HAI INTEGRATED CIRCUITS LIMITED | Private company limited by shares | Live |
| BOMINXING INTERNATIONAL CIRCUITS LIMITED | Private company limited by shares | Live |
| BENTRONIC CIRCUITS INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| HITEK CIRCUITS INTERNATIONAL CO., LIMITED | Private company limited by shares | Dissolved |
| PRINTED CIRCUITS INTERNATIONAL (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| TENDEX INTERNATIONAL CIRCUITS (H.K.) LIMITED | Private company limited by shares | Live |
| GC CIRCUITS INT'L GROUP CO., LIMITED | Private company limited by shares | Live |
| ISLAND CIRCUITS INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| I-TECH CIRCUITS LIMITED | Private company limited by shares | Live |
| JETFGO CIRCUITS LIMITED | Private company limited by shares | Live |
| KEENLY CIRCUITS COMPANY LIMITED | Private company limited by shares | Dissolved |
| KINGSPURG CIRCUITS COMPANY LIMITED | Private company limited by shares | Dissolved |
| Kingsun Circuits (Hong Kong) Co., Limited | Private company limited by shares | Live |
| KINTECH CIRCUITS LIMITED | Private company limited by shares | Live |
| LEOS circuits Limited | Private company limited by shares | Live |
| LIBRA CIRCUITS COMPANY LIMITED | Private company limited by shares | Dissolved |
| Longteng Circuits (Hong Kong) Company Limited | Private company limited by shares | Live |
| MACRO CIRCUITS DIESETS MFY. COMPANY LIMITED | Private company limited by shares | Dissolved |
| MATRIX CIRCUITS LIMITED | Private company limited by shares | Dissolved |
| MATRIX-VT CIRCUITS LIMITED | Private company limited by shares | Live |
| MILLENNIUM CIRCUITS LIMITED | Private company limited by shares | Dissolved |
| MILLENNIUM CIRCUITS LIMITED | Private company limited by shares | Live |
| MLLORD CIRCUITS BOARD LIMITED | Private company limited by shares | Live |
| SHENZHEN MORALITY CIRCUITS COMPANY LIMITED | Private company limited by shares | Live |
| MULTECH CIRCUITS LIMITED | Private company limited by shares | Live |
| MULTI-FLEX CIRCUITS LIMITED | Private company limited by shares | Live |
| WONG'S CIRCUITS ( MULTILAYER ) LIMITED | Private company limited by shares | Dissolved |
| MULTI-LINE CIRCUITS LIMITED | Private company limited by shares | Live |
| NEWTREND CIRCUITS CO., LIMITED | Private company limited by shares | Live |
| NIPPON CIRCUITS LIMITED | Private company limited by shares | Live |
| NIPPON CIRCUITS TECHNOLOGY LIMITED | Private company limited by shares | Live |
| OAKLAND PRINTED CIRCUITS COMPANY LIMITED | Private company limited by shares | Dissolved |
| ORIENTAL PRINTED CIRCUITS LIMITED | Private company limited by shares | Live |
| PALTECH PRECISION CIRCUITS LIMITED | Private company limited by shares | Live |
| FOR PARTNER CIRCUITS LIMITED | Private company limited by shares | Dissolved |
| PCBCORE CIRCUITS CO., LIMITED | Private company limited by shares | Live |
| P.D. CIRCUITS, LIMITED | Private company limited by shares | Live |
| TAI PING CIRCUITS COMPANY, LIMITED | Private company limited by shares | Dissolved |
| PLUS CIRCUITS LIMITED | Private company limited by shares | Live |
| POINTERS CIRCUITS LIMITED | Private company limited by shares | Live |
| POTECHNICS PRINTED CIRCUITS LIMITED | Private company limited by shares | Live |
| TIP TOP PRINTED CIRCUITS LIMITED | Private company limited by shares | Live |
| CENTURY PRINTED CIRCUITS LIMITED | Private company limited by shares | Live |
| ONPRESS PRINTED CIRCUITS LIMITED | Private company limited by shares | Live |
| TECHBASE PRINTED CIRCUITS LIMITED | Private company limited by shares | Dissolved |
| Welfare Printed Circuits Limited | Private company limited by shares | Dissolved |
| EASTERN PACIFIC CIRCUITS PROPERTY LIMITED | Private company limited by shares | Dissolved |
| Full Prosperity Circuits Limited | Private company limited by shares | Live |
| QUALIKING CIRCUITS LIMITED | Private company limited by shares | Dissolved |
| RONGHUI CIRCUITS (HK) CO., LIMITED | Private company limited by shares | Live |
| RONGZHUO CIRCUITS TECHNOLOGY (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| ROVER INTEGRATED CIRCUITS (HK) LIMITED | Private company limited by shares | Live |
| SANLOK PRINTED CIRCUITS (CHINA) LIMITED | Private company limited by shares | Live |
| Scientific Circuits Co. Limited | Private company limited by shares | Live |
| SENSE CIRCUITS LIMITED | Private company limited by shares | Live |
| CIRCUITS MANUFACTURING SERVICES LIMITED | Private company limited by shares | Live |
| SHANXU CIRCUITS HK LIMITED | | Live |
| SHENZHEN WMD CIRCUITS LIMITED | Private company limited by shares | Live |
| YUK SHING CIRCUITS COMPANY LIMITED | Private company limited by shares | Live |
| YUK SHING CIRCUITS (CHINA) COMPANY LIMITED | Private company limited by shares | Live |
| SIGMATRON CIRCUITS LIMITED | Private company limited by shares | Dissolved |
| Sino Integrated Circuits International Corporation Limited | Private company limited by shares | Live |
| SONTEC PRINTED CIRCUITS BOARD COMPANY LIMITED | Private company limited by shares | Dissolved |
| SPRINT CIRCUITS CO., LIMITED | Private company limited by shares | Live |
| TOP STAR CIRCUITS LIMITED | Private company limited by shares | Live |
| Stariver Circuits Limited | Private company limited by shares | Live |
| STARTRACK CIRCUITS LIMITED | Private company limited by shares | Live |
| SUNSHINE CIRCUITS GROUP LIMITED | Private company limited by shares | Live |
| SUNTECH CIRCUITS, LIMITED | Private company limited by shares | Live |