| RB DETECTION COMPANY LIMITED | Private company limited by shares | Dissolved |
| JLS DETECTION LIMITED | Private company limited by shares | Live |
| P&L Cable Detection Company Limited | | Live |
| China Enwei Detection Service Limited | Private company limited by shares | Live |
| CHINA CANCER PREVENTION & EARLY DETECTION CO., LIMITED | Private company limited by shares | Live |
| HONG KONG NP DETECTION TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| HM Detection Technology (Hong Kong) Co., Limited | Private company limited by shares | Live |
| HONGKONG INSTITUTE OF LARGE OBJECTS DETECTION AND IDENTIFICATION OF CO., LIMITED | Private company limited by shares | Live |
| Taipei The Imperial Palace Detection Co., Limited | Private company limited by shares | Live |
| Detection testing technology Co., Limited | Private company limited by shares | Live |
| Tai Wo UU Detection Consultant Limited | | Live |
| PRO DETECTION ENGINEERING CONSULTANTS LIMITED | Private company limited by shares | Live |
| WATERLAND DETECTION ENGINEERING LIMITED | Private company limited by shares | Live |
| FAULT DETECTION & TRADING LIMITED | Private company limited by shares | Live |
| Morpho Detection (HK) Limited | Private company limited by shares | Live |
| Smiths Detection Hong Kong Limited | Private company limited by shares | Dissolved |
| CHANG'AN DETECTION (HONGKONG) LIMITED | Private company limited by shares | Live |
| CHANG'AN DETECTION (HONGKONG) INTERNATIONAL LIMITED | Private company limited by shares | Live |
| HONGKONG YOSETODER DETECTION EQUIPMENT CO., LIMITED | Private company limited by shares | Dissolved |
| HONGKONG YINGZHONG MOTOR VEHICLE DETECTION LIMITED | Private company limited by shares | Live |
| E&H DETECTION INSTRUMENTS CO., LIMITED | Private company limited by shares | Live |
| DE-TECTION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| International Luxury Detection Co., Limited | Private company limited by shares | Live |
| DETECTION INTERNATIONAL HOLDINGS LIMITED | Private company limited by shares | Live |
| DETECTION INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| HK GUOJIAN JEWELRY DETECTION LIMITED | Private company limited by shares | Live |
| Hung's Surveying & Leak Detection Limited | Private company limited by shares | Live |
| Hung's Surveying & Leak Detection Limited | | Live |
| Matrix Detection Limited | Private company limited by shares | Live |
| CHINA DETECTION PRODUCT SERVICE LIMITED | Private company limited by shares | Live |
| CHINA CULTURAL RELIC DETECTION INSTITUTE LIMITED | Private company limited by shares | Live |
| RODNEY DETECTION COMPANY LIMITED | Private company limited by shares | Live |
| HILTON DETECTION & SAFETY CONSULTANTS COMPANY LIMITED | Private company limited by shares | Live |
| THREE-DIMENSIONAL DETECTION TECHNOLOGY SERVICES CO., LIMITED | Private company limited by shares | Dissolved |
| SMITHS & SWN DETECTION LIMITED | Private company limited by shares | Live |
| CHINA MEASUREMENT DETECTION TECHNOLOGY ASSOCIATION LIMITED | Private company limited by shares | Live |
| HK Zhongwen Relics Detection And Identification Technology Limited | Private company limited by shares | Live |
| Hong Kong Weipu Detection Technology Limited | | Live |