| SMART CONTROL ENERGY (USA) COMPANY LIMITED | Private company limited by shares | Dissolved |
| JAPAN ZHENGMA NUMERICAL CONTROL ENGINE BED INT'L GROUP ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| WAH TAT CONTROL ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| AIR CONTROL ENGINEERING LIMITED | Private company limited by shares | Live |
| ASPRIT CONTROL ENGINEERING LIMITED | Private company limited by shares | Live |
| AUTOMATE CONTROL ENGINEERING LIMITED | Private company limited by shares | Live |
| SUN CONTROL ENGINEERING CO., LIMITED | Private company limited by shares | Dissolved |
| Creage control engineering co., Limited | Private company limited by shares | Live |
| Creative Control Engineering Company Limited | Private company limited by shares | Live |
| HK DONESHINE CONTROL ENGINEERING LIMITED | Private company limited by shares | Live |
| FRANCIS CONTROL & AUTOMATION ENGINEERING LIMITED | Private company limited by shares | Live Commenced dormancy on 29-Jun-2010 |
| HIVISION CONTROL ENGINEERING LIMITED | Private company limited by shares | Live |
| LAND CONTROL ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| CONTROL PLUS ENGINEERING LIMITED | Private company limited by shares | Live |
| M & M CONTROL & AUTOMATION SYSTEM ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| Sunrise Temperature Control Engineering Company Limited | Private company limited by shares | Live |
| TIME CONTROL ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| Universalway Control Engineering Hong Kong Limited | | Live |
| WELL CONTROL ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| ENGLAND JIERUI LIQUOR INDUSTRY HOLDING CONTROL LIMITED | Private company limited by shares | Dissolved |
| CONTROL ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| Pest Control Environment Equipment Limited | | Live |
| D I AND ENVIRONMENTAL CONTROL COMPANY LIMITED | Private company limited by shares | Live |
| ALTAQUA ENVIRONMENTAL CONTROL TECHNOLOGY CO., LIMITED | | Live |
| ENVIRONMENTAL ENERGY PEST CONTROL COMPANY LIMITED | Private company limited by shares | Live |
| ENVIRONMENTAL CONTROL CONSULTANT & ENGINEERING LIMITED | Private company limited by shares | Live |
| KASEMAN ENVIRONMENTAL CONTROL EQUIPMENT LIMITED | Private company limited by shares | Live |
| Great Cypress Environmental Control Company Limited | Private company limited by shares | Live |
| Green Environmental Control Company Limited | Private company limited by shares | Live |
| WING HONG ENVIRONMENTAL CONTROL LIMITED | | Live |
| MINGWILL ENVIRONMENTAL & WASTE CONTROL LIMITED | Private company limited by shares | Live |
| PROTECH ENVIRONMENTAL CONTROL COMPANY LIMITED | Private company limited by shares | Dissolved |
| S & S PEST CONTROL AND ENVIRONMENTAL PROTECTION LIMITED | Private company limited by shares | Live |
| Environmental Control Service Company Limited | Private company limited by shares | Live |
| HK ENVIRONMENTAL POLLUTION CONTROL SERVICES LIMITED | Private company limited by shares | Dissolved |
| DRILLING ENVIRONMENTAL SOLIDS CONTROL LIMITED | Private company limited by shares | Live |
| Supreme Environmental Control International Company Limited | Private company limited by shares | Live |
| ENVIRONMENTAL CONTROL SYSTEMS, LIMITED | Private company limited by shares | Dissolved |
| ENVIRONMENTAL CONTROL TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| Greenstar Environmental Control Technology Limited | Private company limited by shares | Live |
| ENVIRONS CONTROL MANUFACTURING LIMITED | Private company limited by shares | Dissolved |
| Envirotech Pest Control Limited | Private company limited by shares | Dissolved |
| ALLWEILER FLOW CONTROL EQUIPMENT LIMITED | Private company limited by shares | Live |
| ANDERSEN CONTROL EQUIPMENT CO., LIMITED | Private company limited by shares | Live |
| BEARY FLUID CONTROL AND EQUIPMENT LIMITED | | Live |
| HIGHWAY AUTOMATIC CONTROL EQUIPMENT CO., LIMITED | Private company limited by shares | Live |
| DETEK FLOW CONTROL EQUIPMENT CO., LIMITED | Private company limited by shares | Live |
| HK ZHONGKE FLUID CONTROL EQUIPMENT CO., LIMITED | Private company limited by shares | Live |
| HUAXU CONTROL EQUIPMENT (HK) CO., LIMITED | Private company limited by shares | Live |
| FLUMATIC LIQUID CONTROL EQUIPMENT CO., LIMITED | Private company limited by shares | Live |
| Sunny Conservation Control Equipment Int'l Limited | Private company limited by shares | Live |
| E&A ELECTRIC CONTROL EQUIPMENT (HK) LIMITED | Private company limited by shares | Dissolved |
| EXPAND CONTROL EQUIPMENT LIMITED | Private company limited by shares | Dissolved |
| C T Flow Control Equipment Co., Limited | Private company limited by shares | Live |
| WENZHOU FG FLOW CONTROL EQUIPMENT CO., LIMITED | Private company limited by shares | Live |
| HENRY CONTROL EQUIPMENT LIMITED | Private company limited by shares | Live |
| HONG KONG MAG CONTROL EQUIPMENT CO., LIMITED | Private company limited by shares | Live |
| KUNTU INDUSTRIAL CONTROL EQUIPMENT CO., LIMITED | Private company limited by shares | Live |
| 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 |