| Zhonghong Numerical Control Technology Co., Limited | | Live |
| UNIVERSAL HOTEL COMMERCE CONTROL LIMITED | Private company limited by shares | Dissolved |
| WIS COMMODITY CONTROL LIMITED | Private company limited by shares | Live |
| CONTROL COMMUNICATION COMPANY LIMITED | Private company limited by shares | Dissolved |
| CONTROL COMMUNICATION ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| CCS COMMUNICATION CONTROL SYSTEMS HONG KONG LIMITED | Private company limited by shares | Dissolved |
| CONTROL AND COMMUNICATIONS CONSULTANTS CO., LIMITED | Private company limited by shares | Live |
| CONTROL COMPUTER LIMITED | Private company limited by shares | Dissolved |
| COMPUTER NUMERICAL CONTROL (CHINA) LIMITED | Private company limited by shares | Live |
| NEW CONCEPT PEST CONTROL & CLEANING SERVICE COMPANY LIMITED | Private company limited by shares | Dissolved |
| CONTROL INVESTMENT & CONSULTANT LIMITED | Private company limited by shares | Dissolved |
| CONTROL INVESTMENT & CONSULTANT LIMITED | Private company limited by shares | Live |
| QUALITY CONTROL CONSULTANTS LIMITED | Private company limited by shares | Live |
| QUALITY ASSURANCE & CONTROL CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| NS Control and Consulting Limited | Private company limited by shares | Live |
| U.S.A ASTRONAUTIC NUMERICAL CODE FREQUENCY CONVERSION CONTROL TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| Core Control International (HK) Limited | Private company limited by shares | Live |
| CORKEY CONTROL SYSTEMS LIMITED | Private company limited by shares | Live |
| VCC CORPORATE CONTROL LIMITED | Private company limited by shares | Live |
| CONTROL CORPORATION LIMITED | Private company limited by shares | Dissolved |
| EACH FLUID CONTROL CORPORATION LIMITED | Private company limited by shares | Dissolved |
| GLOBAL CONTROL CORPORATION LIMITED | Private company limited by shares | Live |
| KETR Industry Control Corporation Limited | Private company limited by shares | Live |
| Ivy Pest Control Corporation Limited | Private company limited by shares | Live |
| PUDO MEASUREMENT & CONTROL TECHNOLOGIES CORPORATION LIMITED | Private company limited by shares | Live |
| QUALITY CONTROL CORPORATION LIMITED | Private company limited by shares | Dissolved |
| PB INFECTION CONTROL SERVICE CORPORATION LIMITED | Private company limited by shares | Live |
| Sea Control System Corporation Limited | Private company limited by shares | Live |
| CONTROL AIR TRADING CORPORATION LIMITED | Private company limited by shares | Dissolved |
| WELL CONTROL CORPORATION LIMITED | Private company limited by shares | Dissolved |
| CHINA COST CONTROL CONSULT LIMITED | Private company limited by shares | Dissolved |
| THOMAS COWAN (PEST CONTROL) COMPANY LIMITED | Private company limited by shares | Dissolved |
| CRANE CONTROL (CHINA) LIMITED | Private company limited by shares | Live |
| CRITICAL CRISES CONTROL & HIGH-TECH SECURITY LIMITED | Private company limited by shares | Live |
| CUBE CONTROL CO., LIMITED | Private company limited by shares | Live |
| Book Control Culture Development Limited | Private company limited by shares | Live |
| DAILY CONTROL LIMITED | Private company limited by shares | Dissolved |
| DATECH CONTROL LIMITED | Private company limited by shares | Live |
| DerivativeBase Pest Control Company Limited | | Live |
| DERRAY INTERNATIONAL CONTROL LIMITED | Private company limited by shares | Live |
| DESW FLUID CONTROL CO., LIMITED | Private company limited by shares | Live |
| Huirong Gold Control Investment Development Co., Limited | Private company limited by shares | Live |
| Hiyi Kamvice Door Control Hardware Development Limited | Private company limited by shares | Live |
| Hong Kong Servo Control Development Co., Limited | Private company limited by shares | Live |
| Hong Kong Risk Control International Education Technology Development Limited | Private company limited by shares | Live |
| HENFAIR REMOTE CONTROL TECHNOLOGY RESEARCH & DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| CONTROL TECH. DEVELOPMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| HK TUO DIAO NUMERICAL CONTROL MACHINERY LIMITED | Private company limited by shares | Live |
| Sunke Digital Control Technology HK Limited | | Live |
| UK DANDI ORAL DISEASE CONTROL RESEARCH CENTERS LIMITED | Private company limited by shares | Live |
| GENERAL PEST CONTROL & DISINFECTION COMPANY LIMITED | Private company limited by shares | Dissolved |
| CONTROL DIVINE LIMITED | Private company limited by shares | Dissolved |
| BESTKO DOOR CONTROL LIMITED | Private company limited by shares | Dissolved |
| CROWN (INTERNATIONAL) DOOR CONTROL GROUP CO., LIMITED | Private company limited by shares | Live |
| SWISS CROWN DOOR CONTROL TECHNOLOGY INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| German Crown International Door Control Co., Limited | Private company limited by shares | Live |
| CUMU (INTERNATIONAL) DOOR CONTROL GROUP CO., LIMITED | Private company limited by shares | Live |
| SOXUS (ITALY) DOOR CONTROL TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Germany Craig Door Control Technology Co., Limited | Private company limited by shares | Dissolved |
| Taiwan Crown Door Control Hardware Co., Limited | Private company limited by shares | Live |
| GERMANY CHAOSHIDAI DOOR CONTROL GROUP LIMITED | Private company limited by shares | Dissolved |
| Hongkong crown door control technology Co., Limited | Private company limited by shares | Live |
| HONGKONG HUANG GUAN HARDWARE DOOR CONTROL CO., LIMITED | Private company limited by shares | Live |
| HONGKONG JINHUIYU DOOR CONTROL TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| GERMANY OUMANDE DOOR CONTROL (INT'L) GROUP LIMITED | Private company limited by shares | Live |
| ITALY MINGSHINI (INT'L) DOOR CONTROL HARDWARE LIMITED | Private company limited by shares | Dissolved |
| TAIWAN CROWN DOOR CONTROL METAL LIMITED | Private company limited by shares | Dissolved |
| TAIWAN CROWN DOOR CONTROL TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| BOLE DOOR CONTROL TECHNOLOGY (HK) LIMITED | | Live |
| ITALY AMG DOOR CONTROL TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| ITALY AMG DOOR CONTROL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| XING TAI CONTROL DOOR LIMITED | Private company limited by shares | Live |
| YIXUN DOOR CONTROL CO. LIMITED | Private company limited by shares | Live |
| DOUBLE PLUS PEST CONTROL SERVICES LIMITED | Private company limited by shares | Live |
| DOUBLE CONTROL TECHNOLOGY (HONGKONG) LIMITED | Private company limited by shares | Live |
| DOUBLE.W. CIRCUIT CONTROL LIMITED | Private company limited by shares | Live |
| DYNAX ADVANCED CONTROL SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| Eagle Control HongKong Limited | Private company limited by shares | Live |
| Ease & Control Neteork Technology Limited | | Live |
| East Control Limited | Private company limited by shares | Live |
| FAR EAST PEST CONTROL SERVICE LIMITED | Private company limited by shares | Dissolved |
| PRO.COM FAR EAST CONTROL VALVES LIMITED | Private company limited by shares | Dissolved |
| SOUTH EAST ASIA QUALITY CONTROL LIMITED | Private company limited by shares | Live |
| ECLAT CONTROL LIMITED | Private company limited by shares | Dissolved |
| SHENZHEN EASY CONTROL ELEC. CO., LIMITED | Private company limited by shares | Dissolved |
| SHANGHAI RENMIN ELECTRIC CONTROL ELECTROMECHANICAL (HK) LIMITED | | Live |
| SHANGHAI ERNMIN ELECTRIC CONTROL TECHNOLOGY (HK) LIMITED | Private company limited by shares | Live |
| GARLEE ELECTRICAL CONTROL COMPANY LIMITED | Private company limited by shares | Live |
| ELECTRICAL & MACHINERY TEMPERATURE CONTROL COMPANY LIMITED | Private company limited by shares | Live |
| HITEPS ELECTRONIC CONTROL SYSTEMS LIMITED | Private company limited by shares | Live |
| CONTROL ELECTRONICS LIMITED | Private company limited by shares | Dissolved |
| GENERAL ELECTRONICS LIGHTING CONTROL LIMITED | Private company limited by shares | Live |
| EMISSION CONTROL LIMITED | Private company limited by shares | Live |
| Endress Hauser Control Limited | Private company limited by shares | Dissolved |
| EVM ENERGY CONTROL (ASIA) LIMITED | Private company limited by shares | Live |
| ENERGY SAVING & CONTROL LIMITED | Private company limited by shares | Dissolved |
| Smart Energy Control Company Limited | | Live |
| ENERGY CONTROL SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| ENERGY CONTROL SYSTEMS ASIA LIMITED | Private company limited by shares | Live |
| SMART CONTROL ENERGY (USA) COMPANY LIMITED | Private company limited by shares | Dissolved |