| HONG LOCK GARMENTS MANUFACTURING COMPANY LIMITED | Private company limited by shares | Dissolved |
| HONG KONG ROYAL LOCK CO., LIMITED | Private company limited by shares | Live |
| S.H. LOCK (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| HONGKONG CLIMBING LOCK TRADE LIMITED | Private company limited by shares | Live |
| LOCK TAO CHRISTIAN HOSPITAL LIMITED | Company limited by guarantee | Dissolved |
| LOCK CHA TEA HOUSE LIMITED | Private company limited by shares | Live |
| KOREA HOWLY (HONG KONG) LOCK COMPANY LIMITED | Private company limited by shares | Dissolved |
| NEW LOCK KEE INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| SANLI LOCK (H.K.) INDUSTRIAL LIMITED | Private company limited by shares | Live |
| HK AIMIN CHANGYE LOCK INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| ANLI LOCK INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| ZHONGSHAN YANGGE LOCK INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| GERMANY LUODEBAO LOCK INDUSTRY LIMITED | Private company limited by shares | Live |
| Germany Powerrolan Smart Lock Industry Limited | Private company limited by shares | Live |
| Foshan Qiangyi Lock Industry Limited | Private company limited by shares | Live |
| RAIDER LOCK INDUSTRY MANUFACTURING CO., LIMITED | Private company limited by shares | Live |
| HK YANGWEI LOCK INDUSTRY LIMITED | Private company limited by shares | Dissolved |
| ZHENG HANG LOCK INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| KJ Intelligent Lock Co., Limited | Private company limited by shares | Live |
| LE LOCK INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| HONG KONG SHANLIANG INTERNATIONAL LOCK LIMITED | Private company limited by shares | Dissolved |
| Inteva Automobile Lock Limited | Private company limited by shares | Live |
| WAI LOCK INVESTMENT COMPANY, LIMITED | Private company limited by shares | Dissolved |
| BEST LOCK INVESTMENT LIMITED | Private company limited by shares | Live |
| LOCK MING INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SAN LOCK INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| EASY LOCK INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| ISRAEL MODE LOCK LIMITED | Private company limited by shares | Dissolved |
| WING LOCK JADE AND JEWELLERY COMPANY LIMITED | Private company limited by shares | Dissolved |
| JANES LOCK (HK) LIMITED | Private company limited by shares | Live |
| JING YU LOCK (HONG KONG) CO., LIMITED | Private company limited by shares | Live |
| JOYCE LOCK LIMITED | Private company limited by shares | Dissolved |
| JUST LOCK COMPANY LIMITED | Private company limited by shares | Live |
| GERMANY KADINUO LOCK INDUSTRY GROUP LIMITED | Private company limited by shares | Dissolved |
| WENZHOU KERRY LOCK CO., LIMITED | Private company limited by shares | Live |
| KINGKONG LOCK INDUSTRY LIMITED | Private company limited by shares | Dissolved |
| WENZHOU KLUN LOCK CO., LIMITED | Private company limited by shares | Live |
| LENOBLE, LOCK LIMITED | Private company limited by shares | Dissolved |
| Linka Lock Limited | Private company limited by shares | Live |
| LOVE LOCK INTERNATIONAL JEWELRY CO., LIMITED | Private company limited by shares | Dissolved |
| Major Lock Corporation Limited | Private company limited by shares | Live |
| LOCK MANUFACTURING COMPANY LIMITED | Private company limited by shares | Dissolved |
| JAEGER LOCK MANUFACTURING COMPANY, LIMITED | Private company limited by shares | Dissolved |
| PARK LOCK GARMENT MANUFACTURING COMPANY LIMITED | Private company limited by shares | Dissolved |
| MARME LOCK COMPANY LIMITED | Private company limited by shares | Dissolved |
| MASTER LOCK PACIFIC LIMITED | Private company limited by shares | Dissolved |
| KEI LOCK NEWAGE (HK) LIMITED | Private company limited by shares | Live |
| NEWGY LOCK LIMITED | Private company limited by shares | Live |
| GERMANY NUOFUTE LOCK (INT'L) LIMITED | Private company limited by shares | Dissolved |
| OCEAN LOCK LIMITED | Private company limited by shares | Dissolved |
| ORIENT LOCK LIMITED | Private company limited by shares | Dissolved |
| ORIENTAL LOCK INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| USA WHEE LOCK PIANO LIMITED | Private company limited by shares | Live |
| LOCK POWER LIMITED | Private company limited by shares | Dissolved |
| Lock Cut Production Limited | Private company limited by shares | Live |
| LOCK YUEN RESTAURANT, LIMITED | Private company limited by shares | Dissolved |
| ROLL AND LOCK COMPANY LIMITED | Private company limited by shares | Live |
| LOCK AND ROLL CAN PACK LIMITED | Private company limited by shares | Live |
| ROYAL LOCK LIMITED | Private company limited by shares | Dissolved |
| LOCK TAO SECONDARY SCHOOL ALUMNAE ASSOCIATION LIMITED | Company limited by guarantee | Live |
| LOCK TAO SECONDARY SCHOOL LIMITED | Company limited by guarantee | Live |
| LOCK SOURCE SECURITY PRODUCT COMPANY LIMITED | Private company limited by shares | Live |
| SHANDONG MINMETALS LOCK CO., LIMITED | Private company limited by shares | Live |
| LOCK SHIN CO LIMITED | Private company limited by shares | Live |
| SHING LOCK CONSULTANTS CO., LIMITED | Private company limited by shares | Live |
| LOCK SHING PROPERTY LIMITED | Private company limited by shares | Dissolved |
| SILVER LOCK INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SIMON LOCK (H.K.) COMPANY LIMITED | Private company limited by shares | Dissolved |
| KUN FAI LOCK SMITHS LIMITED | Private company limited by shares | Dissolved |
| KIN ON SPECIAL LOCK COMPANY LIMITED | Private company limited by shares | Dissolved |
| STAR LOCK LIMITED | Private company limited by shares | Dissolved |
| STAR LOCK COMPANY LIMITED | Private company limited by shares | Live |
| LOCK STOCKS LIMITED | Private company limited by shares | Live |
| Lock n Go Storage Company Limited | Private company limited by shares | Live |
| Lock & Key Studios Limited | Private company limited by shares | Live |
| TIME LOCK STUDIOS LIMITED | Private company limited by shares | Live |
| SUONI FINGERPRINT LOCK CHINA CO., LIMITED | Private company limited by shares | Live |
| LOCK BIND SYSTEM (HK) PTY LIMITED | Private company limited by shares | Dissolved |
| KEY & LOCK SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| TAIWAN XINZHENXIANG LOCK INDUSTRY LIMITED | Private company limited by shares | Dissolved |
| Gm Lock Tech. Limited | Private company limited by shares | Live |
| LOCK (HONGKONG) TECH COMPANY LIMITED | Private company limited by shares | Live |
| Lock & Key Technology Limited | Private company limited by shares | Live |
| Lochen lock Technology Limited | Private company limited by shares | Live |
| LOCK UP Timepiece Limited | Private company limited by shares | Live |
| USA TAT FUK LAU LOCK TOOLS LIMITED | Private company limited by shares | Dissolved |
| USA TAT FUK LAU LOCK TOOLS LIMITED | Private company limited by shares | Live |
| Lock International Trade Co., Limited | Private company limited by shares | Live |
| LOCK & KEY TRADING CO. LIMITED | Private company limited by shares | Live |
| ANNA LOCK TRADING COMPANY LIMITED | Private company limited by shares | Live |
| ROYAL LOCK TRADING LIMITED | Private company limited by shares | Dissolved |
| LOCK TUNG COMPANY LIMITED | Private company limited by shares | Dissolved |
| TUNG AH LOCK FACTORY LIMITED | Private company limited by shares | Dissolved |
| TUNG LOCK YUEN COMPANY LIMITED | Private company limited by shares | Live |
| VIANS ELECTRIC LOCK CO., LIMITED | Private company limited by shares | Live |
| TRI-CIRCLE LOCK WARE (HK) COMPANY LIMITED | Private company limited by shares | Dissolved |
| WELL LOCK LIMITED | Private company limited by shares | Live |
| LOCK KEE PLASTIC WORKS LIMITED | Private company limited by shares | Live |
| LOCK YUET ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| GUANGDONG YUET MA LOCK PRODUCTS INTERNATIONAL GROUPS LIMITED | Private company limited by shares | Live |