| ROCK CONTROL INDUSTRIAL EQUIPMENT LIMITED | Private company limited by shares | Live |
| HK LEADER CONTROL EQUIPMENT LIMITED | Private company limited by shares | Live |
| MIXUN VOICE CONTROL EQUIPMENT LIMITED | Private company limited by shares | Live |
| Newflo Control Equipment Limited | | Live |
| Baoma Numerical Control Equipment Export Limited | Private company limited by shares | Live |
| POLLUTION CONTROL EQUIPMENT COMPANY LIMITED | Private company limited by shares | Live |
| SAFCON CONTROL EQUIPMENT LIMITED | Private company limited by shares | Live |
| HUA SHENG CONTROL EQUIPMENT (HK) COMPANY LIMITED | Private company limited by shares | Live |
| TAIWAN JZ CONTROL EQUIPMENT LIMITED | Private company limited by shares | Dissolved |
| NAM WAH CONTROL EQUIPMENTS COMPANY LIMITED | Private company limited by shares | Live |
| POWER CONTROL EQUIPMENTS LIMITED | Private company limited by shares | Live |
| ERSON Industrial Control Co., Limited | Private company limited by shares | Live |
| Eterfull Control Engineering Group (HK) Limited | Private company limited by shares | Live |
| ETERNAL CONTROL LIMITED | Private company limited by shares | Live |
| EVER CONTROL LIMITED | Private company limited by shares | Dissolved |
| EVERYTHING UNDER CONTROL LIMITED | Private company limited by shares | Live |
| EVERYTHING UNDER CONTROL LIMITED | | Live |
| RISK CONTROL EXECUTIVE LIMITED | Private company limited by shares | Live |
| FACILITIES ANALYSIS AND CONTROL LIMITED | Private company limited by shares | Live |
| CHARM FAITH CONTROL SYSTEM CO., LIMITED | Private company limited by shares | Dissolved |
| GOOD FAITH INDUSTRIAL CONTROL (HONG KONG) CO., LIMITED | Private company limited by shares | Live |
| FAMOUS CONTROL CORPORATION LIMITED | Private company limited by shares | Live |
| FASHION CREW (QUALITY CONTROL) H. K. LIMITED | Private company limited by shares | Dissolved |
| F-CQ POWER CONTROL LIMITED | | Live |
| Bugs Fear Pest Control Limited | Private company limited by shares | Live |
| Felicity Control Limited | Private company limited by shares | Live |
| FENNUO FLUID CONTROL CO., LIMITED | Private company limited by shares | Live |
| FID-TECH ECO PEST CONTROL LIMITED | Private company limited by shares | Live |
| FIELD CONTROL GROUP LIMITED | Private company limited by shares | Live |
| FINANCIAL CONTROL LIMITED | Private company limited by shares | Dissolved |
| MILLENNIUM FINANCIAL CONTROL EXPERT LIMITED | Private company limited by shares | Dissolved |
| FINLAND CHENAHOYA ELECTRIC CONTROL CO., LIMITED | Private company limited by shares | Live |
| Safety & Control Fire Products Limited | Private company limited by shares | Dissolved |
| ASIA FLOOD CONTROL (H.K.) CO., LIMITED | Private company limited by shares | Live |
| SQ FLOW CONTROL LIMITED | Private company limited by shares | Live |
| EBS FLOW CONTROL LIMITED | Private company limited by shares | Live |
| HH FLOW CONTROL LIMITED | | Live |
| ALPHA-ACHEM FLOW CONTROL GROUP CO., LIMITED | Private company limited by shares | Live |
| TOP AQUA FLOW CONTROL CO., LIMITED | Private company limited by shares | Live |
| SMT FLOW CONTROL (ASIA) LIMITED | Private company limited by shares | Live |
| HDK CHINA FLOW CONTROL CO., LIMITED | Private company limited by shares | Live |
| Smart (China) Flow Control Limited | Private company limited by shares | Live |
| ELITE C FLOW CONTROL LIMITED | Private company limited by shares | Live |
| ELITE FLOW CONTROL CO., LIMITED | Private company limited by shares | Live |
| FINLI FLOW CONTROL LIMITED | Private company limited by shares | Live |
| HYDRO FLOW CONTROL LIMITED | Private company limited by shares | Live |
| KAMAILONG FLOW CONTROL LIMITED | Private company limited by shares | Live |
| LAKEMEN FLOW CONTROL LIMITED | Private company limited by shares | Live |
| TYCO FLOW CONTROL PACIFIC LIMITED | Private company limited by shares | Live |
| PERAR FLOW CONTROL LIMITED | Private company limited by shares | Live |
| PRECISION FLOW CONTROL LIMITED | Private company limited by shares | Dissolved |
| SNNA FLOW CONTROL (HONGKONG) LIMITED | Private company limited by shares | Dissolved |
| UNISUN FLOW & CONTROL SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| Tair Flow Control Co., Limited | Private company limited by shares | Live |
| ITALY VALVE FLOW CONTROL COMPANY LIMITED | Private company limited by shares | Live |
| WESTCO FLOW CONTROL LIMITED | Private company limited by shares | Live |
| YI XING FLOW CONTROL (HK) CO., LIMITED | Private company limited by shares | Live |
| EBS FLOWING CONTROL LIMITED | Private company limited by shares | Live |
| HK GUOFACHENG HIGH FLUID CONTROL TECHNOLOGY SHARES LIMITED | Private company limited by shares | Live |
| FLYCOL FLUID CONTROL LIMITED | Private company limited by shares | Live |
| Tsuen Yan Import Control and Food Safety Guidelines Limited | Private company limited by shares | Live |
| CANADIAN QUALITY CONTROL FOOD LIMITED | Private company limited by shares | Live |
| FOREVER TRIUMPH KELIN INVESTMENT CONTROL (HK) CO., LIMITED | Private company limited by shares | Live |
| FORTITUDE PEST CONTROL SERVICES COMPANY LIMITED | Private company limited by shares | Live |
| FOUNDATION OF MALARIA CONTROL FAST LIMITED | Private company limited by shares | Dissolved |
| CHINA FOUNDATION FOR DESERTIFICATION CONTROL (HONG KONG) COMPANY LIMITED | Private company limited by shares | Live |
| CONTROL FREE LIMITED | Private company limited by shares | Live |
| Shenzhen Freedom Control Co., Limited | Private company limited by shares | Live |
| Freeze Control Limited | Private company limited by shares | Live |
| FRESH AIR CLIMATE CONTROL COMPANY LIMITED | Private company limited by shares | Live |
| Sky Friendly AI Control Company Limited | | Live |
| FUKENI DIGITAL CONTROL LIMITED | Private company limited by shares | Live |
| FULL CONTROL LIMITED | Private company limited by shares | Live |
| HONGKONG FULL CONTROL INTERNATIONAL ENVIRONMENTAL TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| HK SHIPS' FUMIGATION & PEST CONTROL COMPANY LIMITED | Private company limited by shares | Live |
| Ming Fung Electrical Control Engineering Limited | Private company limited by shares | Live |
| GATEWAY CONTROL LIMITED | Private company limited by shares | Live |
| GDEPRI POWER CONTROL SYSTEMS & EQUIPMENT (HK) LIMITED | Private company limited by shares | Live |
| GENERAL CONTROL COMPANY LIMITED | Private company limited by shares | Dissolved |
| German Laurence Window Control Hardware Technology Limited | | Live |
| Germany Bo Century Control Power Limited | Private company limited by shares | Live |
| ZXIN FLOW CONTROL (GERMANY) LIMITED | | Live |
| GLOBAL CONTROL LIMITED | Private company limited by shares | Live |
| GLOBAL CONTROL CENTER LIMITED | Private company limited by shares | Live |
| Global Risk Control Investment Co., Limited | Private company limited by shares | Live |
| Global Tech Control Limited | Private company limited by shares | Live |
| Global Trading Control Limited | Private company limited by shares | Live |
| GLORY TEAM SYSTEM CONTROL & EQUIPMENT SERVICES COMPANY LIMITED | Private company limited by shares | Dissolved |
| GOLD WEN XIANG EXACT NUMERICAL CONTROL CUTTER (H.K.) LIMITED | Private company limited by shares | Dissolved |
| Gujinsuo Golden Control Group (China) Limited | Private company limited by shares | Live |
| Hong Kong Jiuding Metrical Poetry Golden Control Group Co., Limited | Private company limited by shares | Live |
| GOLDENSTAR CONTROL SYSTEM (H.K.) LIMITED | Private company limited by shares | Dissolved |
| GOOD CONTROL LIMITED | Private company limited by shares | Dissolved |
| GERMANY GOODMO WINDOW CONTROL SYSTEM TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| GRANDFIELD CONTROL SYSTEMS COMPANY LIMITED | Private company limited by shares | Dissolved |
| GREAT CONTROL INVESTMENT CO., LIMITED | Private company limited by shares | Live |
| GREATECH FLOW CONTROL LIMITED | Private company limited by shares | Live |
| Greencycle Pest Control Limited | Private company limited by shares | Live |
| GREY CONTROL TECHNICS COMPANY LIMITED | Private company limited by shares | Dissolved |
| Ground Control Limited | Private company limited by shares | Live |