| MUN LOCK COMPANY, LIMITED | Private company limited by shares | Dissolved |
| W. E. LOCK LIMITED | Private company limited by shares | Live Commenced dormancy on 30-May-2002 |
| YAU LOCK LIMITED | Private company limited by shares | Dissolved |
| FAN LOCK COMPANY LIMITED | Private company limited by shares | Dissolved |
| WAH TIN LOCK COMPANY LIMITED | Private company limited by shares | Live |
| A LOCK LIMITED | Private company limited by shares | Dissolved |
| SKY LOCK LIMITED | Private company limited by shares | Dissolved |
| SUN LOCK COMPANY LIMITED -THE- | Private company limited by shares | Live |
| LOCK IT LIMITED | Private company limited by shares | Dissolved |
| KEY LOCK LIMITED | Private company limited by shares | Dissolved |
| Big Lock Limited | Private company limited by shares | Live |
| LOCK SUN LIMITED | Private company limited by shares | Dissolved |
| LOCK LIMITED | Private company limited by shares | Dissolved |
| J LOCK COMPANY LIMITED | Private company limited by shares | Live |
| HOH AI LOCK COMPANY LIMITED | Private company limited by shares | Live |
| KEY N LOCK LIMITED | | Live |
| Abrafox Tech Lock Co., Limited | Private company limited by shares | Live |
| HK AIMIN CHANGYE LOCK CO., LIMITED | Private company limited by shares | Live |
| Lock Alarm Technologies Limited | Private company limited by shares | Live |
| HONG KONG ALPHA LOCK MANUFACTORY LIMITED | Private company limited by shares | Dissolved |
| GUANGDONG ZHONGSHAN XIAOLAN AODEBAO LOCK LIMITED | Private company limited by shares | Dissolved |
| LOCK IN Asia Limited | | Live |
| A. LOCK & ASSOCIATES LIMITED | Private company limited by shares | Dissolved |
| KA LOCK ASSOCIATION COMPANY LIMITED | Company limited by guarantee | Dissolved |
| TAI PO YAU LOCK ASSOCIATION LIMITED | Company limited by guarantee | Dissolved |
| YEE LOCK ASSOCIATION COMPANY LIMITED | Company limited by guarantee | Dissolved |
| BEST LOCK LIMITED | Private company limited by shares | Dissolved |
| BIRCH LOCK LIMITED | Private company limited by shares | Dissolved |
| LOCK BROTHERS INTERNATIONAL LIMITED | Private company limited by shares | Live |
| CASTLE LOCK LIMITED | Private company limited by shares | Dissolved |
| China Lock Association Limited | | Live |
| CHINA LOCK SMITH MASTER LIMITED | Private company limited by shares | Live |
| LOCK CHIROPRACTIC LIMITED | Private company limited by shares | Dissolved |
| LOCK TAO CHRISTIAN ASSOCIATION | Company limited by guarantee | Live |
| JOY LOCK CO., LIMITED | Private company limited by shares | Live |
| MY LOCK CO., LIMITED | | Live |
| Dajiang Lock Co., Limited | Private company limited by shares | Live |
| DINGSHENG LOCK CO., LIMITED | Private company limited by shares | Live |
| LiTong Lock Co., Limited | Private company limited by shares | Live |
| PUJIANG WUSHI LOCK CO., LIMITED | Private company limited by shares | Live |
| ZHENGCHAO LOCK CO., LIMITED | | Live |
| ZHONGSHAN BES LOCK CO., LIMITED | Private company limited by shares | Live |
| Zhongshan Gladiator Lock Co., Limited | Private company limited by shares | Live |
| ZHONGSHAN YANGGE LOCK CO., LIMITED | Private company limited by shares | Live |
| LOCK YUEN COFFEE COMPANY LIMITED | Private company limited by shares | Dissolved |
| DAHUA LOCK CO., LIMITED | Private company limited by shares | Dissolved |
| DRAGON BROTHER DIGITAL LOCK LIMITED | Private company limited by shares | Dissolved |
| SUN LOCK FILM DISTRIBUTORS LIMITED | Private company limited by shares | Dissolved |
| DOMINION LOCK H.K. LIMITED | Private company limited by shares | Dissolved |
| Dora Lock Limited | Private company limited by shares | Live |
| Dream Lock Limited | Private company limited by shares | Live |
| HK GRAND EAGLE LOCK LIMITED | Private company limited by shares | Dissolved |
| EARNING LOCK INVESTMENTS LIMITED | Private company limited by shares | Live |
| EASY LOCK LIMITED | Private company limited by shares | Live |
| ANGI ELECTRONIC LOCK CO., LIMITED | Private company limited by shares | Live |
| DIGI ELECTRONIC LOCK CO., LIMITED | Private company limited by shares | Dissolved |
| DIGI ELECTRONIC LOCK CO., LIMITED | Private company limited by shares | Dissolved |
| Smart Electronic Lock Limited | Private company limited by shares | Live |
| LOCK ELECTRONICS LIMITED | | Live |
| LOCK HAI ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| LOCK HOI ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| LOCK CHI ENGINEERING (HK) COMPANY LIMITED | Private company limited by shares | Live |
| NEW LOCK KEE ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| LOCK MAN ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| LOCK SEE ENTERPRISES LIMITED | Private company limited by shares | Live |
| KUN LOCK ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| TIN LOCK ENTERPRISES LIMITED | Private company limited by shares | Live |
| Epochal Lock Company Limited | Private company limited by shares | Live |
| FAIR LOCK LIMITED | Private company limited by shares | Dissolved |
| LOCK CHAIN FASHION COMPANY LIMITED | Private company limited by shares | Live |
| KEI LOCK FASHION TRADING LIMITED | Private company limited by shares | Live |
| LOCK FUNG METAL MANUFACTORY LIMITED | Private company limited by shares | Dissolved |
| KEI LOCK GARMENT LIMITED | Private company limited by shares | Live |
| GLOBAL LOCK INTERNATIONAL HOLDING LIMITED | Private company limited by shares | Dissolved |
| GOLD LOCK LIMITED | Private company limited by shares | Live |
| GOLD LOCK CAPITAL LIMITED | Private company limited by shares | Dissolved |
| GOLD LOCK INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| GOLDEN GATE LOCK MANUFACTORY LIMITED | Private company limited by shares | Dissolved |
| GOOD LOCK TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Lock Group HK Limited -The- | Private company limited by shares | Live |
| J Lock Group Limited | | Live |
| HK BILLIONJOY GROUP LOCK TRADE LIMITED | Private company limited by shares | Dissolved |
| HONGKONG OUDIAN LOCK INDUSTRY INT'L GROUP LIMITED | Private company limited by shares | Dissolved |
| GUANGDONG SHUNDE SENGU LOCK ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| Gwing Kee (Lock Road) Company Limited | Private company limited by shares | Live |
| LOCK HANG ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| LOCK HANG INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| HANG LOCK INTERNATIONAL INVESTMENT LIMITED | Private company limited by shares | Live Commenced dormancy on 14-Jul-2015 |
| Lock Haven (HK) Limited | Private company limited by shares | Live |
| LOCK HEALTH MARKETING LIMITED | Private company limited by shares | Live |
| Starlight Lock System (Henan) Co., Limited | | Live |
| HING WAH LOCK FACTORY LIMITED | Private company limited by shares | Live |
| LOCK HING FISHERIES LIMITED | Private company limited by shares | Dissolved |
| LOCK HING INVESTMENT CO., LIMITED -THE- | Private company limited by shares | Dissolved |
| Lock (HK) Limited | Private company limited by shares | Live |
| HONGTAI (H.K) LOCK INDUSTRY LIMITED | Private company limited by shares | Dissolved |
| Hong Kong Lock Automation CO., LIMITED | | Live |
| HONG KONG CHIT LOCK GROUP COMPANY LIMITED | Private company limited by shares | Dissolved |
| Microkinetic Lock International (Hong Kong) Limited | Private company limited by shares | Live |
| HUAFENG LOCK PRODUCTS (HONG KONG) LIMITED | Private company limited by shares | Live |