| OVERSEAS QUALITY AND HEALTH CONTROL COMPANY LIMITED | Private company limited by shares | Dissolved |
| YLZG Health Control Company Limited | Private company limited by shares | Live |
| ZA Healthcare Control Limited | Private company limited by shares | Live |
| Faithful Heart Cleaning & Pest Control Services Limited | Private company limited by shares | Live |
| Hebei Gongda Excitation Control Engineering Co., Limited | Private company limited by shares | Live |
| HONG KONG HIGHSUN MEASUREMENT AND CONTROL TECHNIQUES COMPANY LIMITED | Private company limited by shares | Live Commenced dormancy on 02-Sep-2011 |
| HI-TECH CONTROL COMPANY LIMITED | Private company limited by shares | Live |
| VEYMA DOOR CONTROL HITECH COMPANY LIMITED | Private company limited by shares | Live |
| ACCURATE CONTROL TECHNOLOGY (HK) LIMITED | Private company limited by shares | Dissolved |
| INTELLIGENT AIR-CONDITIONING CONTROL SYSTEMS (H.K.) LIMITED | Private company limited by shares | Dissolved |
| AUDE CONTROL TECHNOLOGY (HK) LIMITED | Private company limited by shares | Live |
| SHUANGHE CONTROL CABLE (HK) COMPANY LIMITED | Private company limited by shares | Dissolved |
| ROSS CONTROL CHINA (HK) COMPANY LIMITED | Private company limited by shares | Dissolved |
| FLOWTECAL CONTROL (HK) CO., LIMITED | Private company limited by shares | Live |
| SMART CONTROL (HK) CO., LIMITED | Private company limited by shares | Live |
| DATA CONTROL CENTRE (H.K.) LIMITED | Private company limited by shares | Dissolved |
| DRIVE & CONTROL SOLUTIONS (HK) LIMITED | Private company limited by shares | Live Commenced dormancy on 10-Sep-2008 |
| CONTROL ENGINEERING (HK) LIMITED | Private company limited by shares | Dissolved |
| FASHION CONTROL ( H.K. ) LIMITED | Private company limited by shares | Dissolved |
| FOEMOS FLOW CONTROL (HK) CO., LIMITED | Private company limited by shares | Live |
| PEKOS FLOW CONTROL (H.K.) COMPANY LIMITED | Private company limited by shares | Dissolved |
| GKST CONTROL (HK) LIMITED | Private company limited by shares | Live |
| TEAM HARVEST CONTROL SYSTEM (HK) LIMITED | Private company limited by shares | Live |
| ITALY LINCON HOUSEHOLD CONTROL (H.K.) LIMITED | Private company limited by shares | Live |
| SANLING (HK) INDUSTRIAL CONTROL LIMITED | Private company limited by shares | Live |
| LAMDA (HK) CONTROL TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| QUALITY CONTROL MANAGEMENTS (HK) CO., LIMITED | Private company limited by shares | Dissolved |
| RADON LEVEL CONTROL NEW MATERIAL (HK) LIMITED | Private company limited by shares | Dissolved |
| JINDE MEASURE & CONTROL (H.K.) CO., LIMITED | Private company limited by shares | Live |
| MEGA CONTROL (HK) LIMITED | Private company limited by shares | Live |
| MAKINO PEOPLE (H.K.) AUTOMATIC CONTROL TECH LIMITED | Private company limited by shares | Live |
| ISS PEST CONTROL (HK) LIMITED | Private company limited by shares | Live Commenced dormancy on 21-Nov-2008 |
| Asia Pest Control (HK) Limited | Private company limited by shares | Live |
| PEST CONTROL CENTRE (HK) LIMITED | Private company limited by shares | Live |
| STANDARD (H.K.) CLEANING AND PEST CONTROL CO. LIMITED | Private company limited by shares | Live |
| Protechnic Pest Control And Disinfection Services (HK) Co. Limited | | Live |
| NIPGO PEST CONTROL (H.K.) LIMITED | Private company limited by shares | Dissolved |
| COMBO (HK) PEST CONTROL SERVICES LIMITED | Private company limited by shares | Live |
| Prefco-JohnsonTech Air Control (HK) Co. Limited | | Live |
| ASIAN QUALITY CONTROL ( H.K. ) LIMITED | Private company limited by shares | Dissolved |
| WINDSOR QUALITY CONTROL H.K. LIMITED | Private company limited by shares | Dissolved |
| UK ROSEWELL FLUID CONTROL (HK) LIMITED | Private company limited by shares | Live |
| SHANG HAI PEOPLE ELECTRICAL (HK) CONTROL LIMITED | Private company limited by shares | Live |
| CLS CONTROL & SYSTEM (HK) LIMITED | Private company limited by shares | Dissolved |
| GENE'E CONTROL TECH (HK) CO., LIMITED | Private company limited by shares | Live |
| POLLUTION CONTROL TECHNOLOGIES (HK) LIMITED | Private company limited by shares | Live |
| BRONTON CONTROL TECHNOLOGY (HK) LIMITED | Private company limited by shares | Dissolved |
| MIU CONTROL TECHNOLOGY (HK) CO., LIMITED | Private company limited by shares | Live |
| FAT VIBRATION CONTROL TECHNOLOGY (HK) CO., LIMITED | Private company limited by shares | Live |
| CDG (HK) Control Fluid Technology Company Limited | Private company limited by shares | Live |
| JAWEINI (HK) FLUID CONTROL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| VATE (HK) CONTROL TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| TOTAL CONTROL TECHNOLOGY (HK) LIMITED | Private company limited by shares | Dissolved |
| United Control Group H.K. Limited | Private company limited by shares | Dissolved |
| VADE CONTROL (HK) LIMITED | Private company limited by shares | Live |
| HOLTER CONTROL VALVE (HK) CO., LIMITED | Private company limited by shares | Live |
| Paladon Valve Control (H.K.) Co., Limited | Private company limited by shares | Live |
| Ruishen (HK) Window Control Co., Limited | | Live |
| Wolfson Control Technology (HK) Co., Limited | Private company limited by shares | Live |
| YidLkang (HK) International Health Control Limited | Private company limited by shares | Live |
| Control Holdings Limited | Private company limited by shares | Live |
| First Control Enterprises Holdings Limited | Private company limited by shares | Live |
| FINE CONTROL HOLDINGS LIMITED | Private company limited by shares | Live |
| SOUTH CONTROL HOLDINGS (HONG KONG) LIMITED | Private company limited by shares | Live |
| STATIC CONTROL HOLDINGS LIMITED | Private company limited by shares | Live |
| SUCCESS CONTROL HOLDINGS LIMITED | Private company limited by shares | Live |
| TEAM CONTROL HOLDINGS LIMITED | Private company limited by shares | Live |
| CONTROL TOWER HOLDINGS LIMITED | Private company limited by shares | Live |
| WELL CONTROL HOLDINGS LIMITED | Private company limited by shares | Live |
| HOME OF LOVE PEST CONTROL LIMITED | Private company limited by shares | Live |
| ALXALEAGUE JINHAO DESERT CONTROL PROJECT (HONG KONG) CO., LIMITED | Private company limited by shares | Dissolved |
| ALXALEAGUE JINHAO DESERT CONTROL PROJECT (HONG KONG) CO., LIMITED | Private company limited by shares | Live |
| HONG KONG EAST ASIA (INTERNATIONAL) PEST CONTROL COMPANY LIMITED | Private company limited by shares | Live |
| Asset Control (Hong Kong) Limited | Private company limited by shares | Live |
| HONG KONG AUDLEY DIGITAL CONTROL EQUIPMENT LIMITED | Private company limited by shares | Dissolved |
| Hong Kong Center For Disease Control And Prevention Limited | Private company limited by shares | Live |
| PACIFIC QUALITY CONTROL CENTER (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| Hong Kong Mosquito Control Centre Limited | | Live |
| France Aircar Control System (Hong Kong) Co., Limited | Private company limited by shares | Dissolved |
| HONG KONG CHANGJIN AUTOMATIC CONTROL EQUIPMENT CO., LIMITED | Private company limited by shares | Live |
| Germany Dewitt Gate Control (Hong Kong) Co., Limited | Private company limited by shares | Live |
| EASTERN RESEARCH CONTROL (HONG KONG) CO., LIMITED | Private company limited by shares | Live |
| TRIUMPH FLOW CONTROL TECHNOLOGIES (HONG KONG) CO., LIMITED | Private company limited by shares | Dissolved |
| FLOWCO FLOW CONTROL SYSTEM (HONG KONG) CO., LIMITED | Private company limited by shares | Live |
| HONG KONG B&F FLUID CONTROL CO., LIMITED | Private company limited by shares | Live |
| DOS'S CONTROL ENGINEERING (HONG KONG) CO., LIMITED | Private company limited by shares | Dissolved |
| NEW SPLENDOUR (HONG KONG) CONTROL INSTRUMENT CO., LIMITED | Private company limited by shares | Dissolved |
| Hong Kong Chi Way Digital Control Machinery Co., Limited | Private company limited by shares | Live |
| Leader Measurement and Control (Hong Kong) Co., Limited | Private company limited by shares | Live |
| HONG KONG NAHI INTELLIGENT CONTROL CO., LIMITED | Private company limited by shares | Live |
| Hong Kong XinXing Door control co., Limited | Private company limited by shares | Live |
| HONG KONG KENUO QILIU CONTROL SYSTEM CO., LIMITED | Private company limited by shares | Live |
| VICTOR CONTROL SYSTEM (HONG KONG) CO., LIMITED | Private company limited by shares | Live |
| Hong Kong Quanshengjia Intelligent Window Control System Co., Limited | Private company limited by shares | Live |
| Hong Kong Dongfeng Crown Gate Control Technology Co., Limited | Private company limited by shares | Live |
| Hong Kong weishengtai Intelligent Control Technology Co., Limited | Private company limited by shares | Live |
| Hong Kong xuyang Control Equipment Co., Limited | Private company limited by shares | Dissolved |
| Hong Kong Yuxin Intelligent Control Technology Co., Limited | | Live |
| CONTROL DATA (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| HONG KONG NEW STAR CROWN DOOR CONTROL CO., LIMITED | Private company limited by shares | Live |