| ECO CONTROL AND SOLUTION LIMITED | Private company limited by shares | Live |
| KX Control Solutions Limited | Private company limited by shares | Live |
| HK Control Solutions Limited | Private company limited by shares | Live |
| SONOM FLUID CONTROL GROUP LIMITED | Private company limited by shares | Dissolved |
| SOURCE CONTROL (H.K.) CO., LIMITED | Private company limited by shares | Live |
| STATE SOURCE POWER & CONTROL INT'L LIMITED | Private company limited by shares | Live |
| Source Control International Trading Co., Limited | | Live |
| SOURCING & QUALITY CONTROL COMPANY LIMITED | Private company limited by shares | Live |
| LIQUOR CONTROL SPECIALISTS OF ASIA COMPANY LIMITED | Private company limited by shares | Live |
| OVERSEAS QUALITY CONTROL SPECIALISTS LIMITED | Private company limited by shares | Live |
| SPEED CONTROL LIMITED | Private company limited by shares | Dissolved |
| Control Spray System Limited | Private company limited by shares | Live |
| STAEFA CONTROL LIMITED | Private company limited by shares | Dissolved |
| Stanley Pest Control Limited | Private company limited by shares | Live |
| ASIA STAR CONTROL SYSTEM LIMITED | Private company limited by shares | Dissolved |
| NORTH STAR TECHNOLOGY CONTROL LIMITED | Private company limited by shares | Live |
| STARPO MEASUREMENT & CONTROL TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| STATE CONTROL CO., LIMITED | Private company limited by shares | Live |
| STATE CONTROL MEDICAL LIMITED | | Live |
| MCP STATIC CONTROL LIMITED | Private company limited by shares | Dissolved |
| BOSCH STATIC CONTROL LIMITED | Private company limited by shares | Live |
| STATIC CONTROL SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| STEP CONTROL LIMITED | Private company limited by shares | Dissolved |
| Stratton Pest Control Limited | Private company limited by shares | Live |
| SUITE CONTROL LIMITED | Private company limited by shares | Live |
| SUMMIT STATIC CONTROL LIMITED | Private company limited by shares | Live |
| SunShine Pest Control Limited | Private company limited by shares | Live |
| SUNZEST CONTROL LIMITED | Private company limited by shares | Live |
| SUPER CONTROL LIMITED | Private company limited by shares | Dissolved |
| FLUID CONTROL SUPPLIES (FAR EAST) LIMITED | Private company limited by shares | Dissolved |
| Instyle Supply and Control Limited | Private company limited by shares | Live |
| SUPREME CONTROL LIMITED | Private company limited by shares | Live |
| SUPREME PEST CONTROL LIMITED | Private company limited by shares | Live |
| SURE WATER QUALITY CONTROL TECHNOLOGY (CHINA) INC. LIMITED | Private company limited by shares | Dissolved |
| TKB CONTROL SYSTEM LIMITED | Private company limited by shares | Live |
| P. T. CONTROL SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| ASIA CONTROL SYSTEMS LIMITED | Private company limited by shares | Live |
| INNOVISION CONTROL SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| HK Taifu International Trade Sand Control Efficient Agriculture Co., Limited | Private company limited by shares | Live |
| TAIGE (TAIWAN) MEASURE AND CONTROL HOLDING LIMITED | Private company limited by shares | Live |
| TAIWAN DEGAO NUMERICAL CONTROL MECHANICAL LIMITED | Private company limited by shares | Live |
| TAIWAN RIGAO NUMERICAL CONTROL MECHANICAL LIMITED | Private company limited by shares | Dissolved |
| TAIWAN NUMERICAL CONTROL TOOL LIMITED | Private company limited by shares | Live |
| TAIWAN SHANTE NUMERICAL CONTROL TOOL LIMITED | Private company limited by shares | Live |
| TEAM CONTROL LIMITED | Private company limited by shares | Live |
| CONTROL TECH COMPANY LIMITED | Private company limited by shares | Live |
| GS TECH (CONTROL) COMPANY LIMITED | Private company limited by shares | Live |
| TECH CONTROL (ASIA) LIMITED | Private company limited by shares | Dissolved |
| Dingxin Control Tech Limited | | Live |
| LEYU INTELLIGENT CONTROL TECH. CO., LIMITED | Private company limited by shares | Live |
| YDA FLUID INTELLIGENT CONTROL TECH LIMITED | Private company limited by shares | Live |
| Tianfu Intelligent Control Tech Co., Limited | Private company limited by shares | Live |
| DATA CONTROL TECHNITIC (HK) CO., LIMITED | Private company limited by shares | Live |
| Nanhai Power Control Technologies Co., Limited | Private company limited by shares | Live |
| MR. CONTROL TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| CONTROL TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| MY CONTROL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| CONTROL C TECHNOLOGY LIMITED | Private company limited by shares | Live |
| BESEEN CONTROL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| CHINA HUI CONTROL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Gentech (China) Control Technology Co., Limited | Private company limited by shares | Live |
| Associated Hydraulic Control Technology Co., Limited | Private company limited by shares | Live |
| HYSEN CONTROL TECHNOLOGY DEVELOPMENT CO., LIMITED | Private company limited by shares | Live |
| DIGITAL CONTROL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| ELECTRONIC CONTROL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SMC Group HK Control Engineering Technology Limited | Private company limited by shares | Live |
| TYCO FLOW CONTROL TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| Floway Control Technology Limited | Private company limited by shares | Live |
| Timmy Intelligent Control Technology Co., Limited | Private company limited by shares | Live |
| Control Technology and Investment Company Limited | Private company limited by shares | Live |
| LIGHTING CONTROL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| LINK CONTROL TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Magic Control Technology Limited | Private company limited by shares | Live |
| MIND CONTROL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Pavas Control Technology (HK) Co., Limited | Private company limited by shares | Dissolved |
| China Security Control Technology Limited | Private company limited by shares | Live |
| Shanghai People's Intelligent Control Technology Company Limited | | Live |
| SHENZHEN SMART CONTROL TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| STATIC CONTROL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| TUNG TAT CONTROL TECHNOLOGY HK LIMITED | | Live |
| GERMANY KJL VALVE CONTROL TECHNOLOGY (CHINA) LIMITED | Private company limited by shares | Live |
| HK FANGCHENG WINDOW CONTROL TECHNOLOGY CO., LIMITED | | Live |
| ZIMPLE CONTROL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| TECHWAY CONTROL ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| Techway Control Engineering Hong Kong Limited | Private company limited by shares | Live |
| QUALITY CONTROL TEST LIMITED | Private company limited by shares | Live |
| Thermal Control And Thermal Management Magazine Company Limited | Private company limited by shares | Live |
| SINO-TECH THERMAL CONTROL COMPANY LIMITED | Private company limited by shares | Dissolved |
| NORDIC THERMO CONTROL HK LIMITED | Private company limited by shares | Dissolved |
| TIMETECH CONTROL COMPANY LIMITED | Private company limited by shares | Dissolved |
| TK-SCT FLUID CONTROL LIMITED | | Live |
| ASIAN CONSULTANCY ON TOBACCO CONTROL LIMITED | Company limited by guarantee | Live |
| TONGJI CONTROL COMPANY LIMITED | Private company limited by shares | Live |
| GERMANY TEMENGDE NUMERICAL CONTROL TOOL LIMITED | Private company limited by shares | Dissolved |
| CHINA NUMERICAL CONTROL MACHINE TOOL PROFESSION ASSOCIATION LIMITED | | Live |
| TOTAL CONTROL LIMITED | Private company limited by shares | Live |
| TOYO THERMO CONTROL COMPANY LIMITED | Private company limited by shares | Live |
| KAY TRADING & CONTROL LIMITED | Private company limited by shares | Dissolved |
| CONTROL TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| KEY CONTROL TRADING LIMITED | Private company limited by shares | Dissolved |