| PACIFIC SCIENTIFIC INSTRUMENT LIMITED | Private company limited by shares | Dissolved |
| SAAK-MAR SCIENTIFIC INSTRUMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNI-ASIA SCIENTIFIC INSTRUMENT COMPANY LIMITED | Private company limited by shares | Live |
| SCI-Lab Instrument International Limited | Private company limited by shares | Live |
| SCOTT INSTRUMENT & EQUIPMENT LIMITED | | Live |
| SEJIN INSTRUMENT HK LIMITED | Private company limited by shares | Dissolved |
| SELECT INSTRUMENT COMPANY LIMITED | Private company limited by shares | Live |
| SEMICONTEC INSTRUMENT COMPANY LIMITED | Private company limited by shares | Live |
| ANTACT SENSORS INSTRUMENT (HONGKONG) CO., LIMITED | Private company limited by shares | Live |
| Shandong ShanChuan Medical Instrument Co., Limited | Private company limited by shares | Live Commenced dormancy on 24-Nov-2015 |
| SHANDONG FUTURE MEDICAL INSTRUMENT CO., LIMITED | Private company limited by shares | Live |
| SHANGDELI ELECTRONIC INSTRUMENT LIMITED | Private company limited by shares | Live |
| SHANGHAI HUADONG INSTRUMENT CO., LIMITED | Private company limited by shares | Dissolved |
| SHANGHAI HUADONG INSTRUMENT CO., LIMITED | | Live |
| SHANGHAI PEOPLE INSTRUMENT CO., LIMITED | Private company limited by shares | Live |
| SHANGHAI TELMAR INSTRUMENT CO., LIMITED | Private company limited by shares | Live |
| SHANGHAI TRULY INSTRUMENT CO., LIMITED | Private company limited by shares | Live |
| SHANGHAI PEOPLE ELECTRIC POWER INSTRUMENT LIMITED | Private company limited by shares | Live |
| SHANGHAI PEOPLE COMPLETE ELECTRICAL INSTRUMENT LIMITED | Private company limited by shares | Live |
| SHANGHAI PEOPLE ELECTRICAL INSTRUMENT LIMITED | Private company limited by shares | Live |
| SHANGHAI PEOPLE INSTRUMENT ELECTRICAL LIMITED | | Live |
| SHANGHAI PEOPLE GAOKE INSTRUMENT LIMITED | Private company limited by shares | Live |
| SHANGHAI PEOPLE INSTRUMENT HOLDING LIMITED | Private company limited by shares | Live |
| SHANGHAI HUALI INSTRUMENT LIMITED | Private company limited by shares | Live |
| SHANGHAI HUALI INSTRUMENT INSTRUMENTATION LIMITED | Private company limited by shares | Live |
| SHANGHAI PEOPLE INSTRUMENT INSTRUMENTATION LIMITED | Private company limited by shares | Live |
| Shanghai Renmin Intelligent Instrument Co., Limited | | Live |
| SHANGHAI JIANHENG INSTRUMENT LIMITED | Private company limited by shares | Live |
| SHANGHAI KINGDAK SCIENTIFIC INSTRUMENT CO., LIMITED | Private company limited by shares | Live |
| SHANGHAI HUALI INSTRUMENT METER (HONGKONG) LIMITED | Private company limited by shares | Dissolved |
| SHANGHAI SAIBA PRECISION INSTRUMENT LIMITED | Private company limited by shares | Dissolved |
| SHANGHAI RENMINQINGDU INSTRUMENT HK LIMITED | | Live |
| SHANGHAI PEOPLE INSTRUMENT SHARE LIMITED | Private company limited by shares | Live |
| SHANGHAI PEOPLE INSTRUMENT TECHNOLOGY LIMITED | | Live |
| SHANGHAI XINGSHEN INSTRUMENT CO., LIMITED | Private company limited by shares | Live |
| Shangyi (Macao) Instrument Equipment Co., Limited | | Live |
| SILVER INSTRUMENT INTERNATIONAL (ASIA) LIMITED | Private company limited by shares | Live |
| SILVER INSTRUMENT INTERNATIONAL (HK) LIMITED | Private company limited by shares | Live |
| CHINA SINCERE INSTRUMENT LIMITED | Private company limited by shares | Live |
| SINOMACH INSTRUMENT LIMITED | Private company limited by shares | Dissolved |
| SITON INSTRUMENT (HK) CO., LIMITED | Private company limited by shares | Live |
| SKYBIO INSTRUMENT COMPANY LIMITED | Private company limited by shares | Live |
| SKYLINE INSTRUMENT LIMITED | Private company limited by shares | Live |
| Skyline Crest Scientific Instrument Company Limited | Private company limited by shares | Live |
| SKYLUN MEDICAL INSTRUMENT CO., LIMITED | Private company limited by shares | Live |
| SKYRAY INSTRUMENT CO., LIMITED | Private company limited by shares | Dissolved |
| SKYRAY INSTRUMENT CO., LIMITED | Private company limited by shares | Live |
| SKYRAY INSTRUMENT (HONGKONG) CO., LIMITED | Private company limited by shares | Live |
| HK SKYRAY ONE-STOP INSTRUMENT CO., LIMITED | Private company limited by shares | Live |
| SKYWORTH INSTRUMENT LIMITED | Private company limited by shares | Dissolved |
| SOGO INSTRUMENT LIMITED | | Live |
| SOLUTION INSTRUMENT LIMITED | Private company limited by shares | Live |
| GENERAL INSTRUMENT SOUTHEAST ASIA LIMITED | Private company limited by shares | Dissolved |
| SPAI INSTRUMENT (HONGKONG) TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| STAR INSTRUMENT COMPANY LIMITED | Private company limited by shares | Live |
| STARDAM INSTRUMENT SERVICE LIMITED | Private company limited by shares | Live |
| SUNBIRD INSTRUMENT LIMITED | Private company limited by shares | Live |
| SUNCARE MEDICAL INSTRUMENT LIMITED | Private company limited by shares | Live |
| Super Instrument Tech Limited | Private company limited by shares | Live |
| P&H SURGICAL INSTRUMENT LIMITED | Private company limited by shares | Live |
| Leo Survey Instrument Co., Limited | Private company limited by shares | Live |
| SYNAPSE INSTRUMENT CO. LIMITED | Private company limited by shares | Live |
| SYNAPSE INSTRUMENT (CHINA) CO. LIMITED | Private company limited by shares | Live |
| TAIWAN FEIBANG INSTRUMENT GROUP LIMITED | Private company limited by shares | Dissolved |
| TAIWAN LEGAO PRECISION INSTRUMENT HOLDING LIMITED | Private company limited by shares | Dissolved |
| TAIWAN LIXING PRECISION INSTRUMENT HOLDING LIMITED | Private company limited by shares | Live |
| TAIWAN ZHONGCE PRECISION INSTRUMENT TECHNOLOGY LIMITED | Private company limited by shares | Live |
| TAYLOR INSTRUMENT COMPANIES ORIENT LIMITED | Private company limited by shares | Dissolved |
| TEAMWALL INSTRUMENT (HK) CO., LIMITED | Private company limited by shares | Live |
| M TECH INSTRUMENT LIMITED | Private company limited by shares | Dissolved |
| INSTRUMENT TECH COMPANY LIMITED | | Live |
| PACIFIC GROW TECHNOLOGIES INSTRUMENT LIMITED | Private company limited by shares | Live |
| TK INSTRUMENT TECHNOLOGY LIMITED | Private company limited by shares | Live |
| J&R Instrument Technology Limited | Private company limited by shares | Live |
| ASIA TECHNOLOGY & INSTRUMENT LIMITED | Private company limited by shares | Live |
| D&C Instrument Technology Co., Limited | Private company limited by shares | Live |
| H&J INSTRUMENT TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Excellent Instrument Technology Limited | Private company limited by shares | Live |
| Top Grand Instrument Technology Limited | Private company limited by shares | Live |
| Heyday Instrument Technology Limited | Private company limited by shares | Live |
| JIA FU BAO YI INSTRUMENT NETWORK TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Precision Instrument Technology Co., Limited | Private company limited by shares | Live |
| DELTA INSTRUMENT TECHNOLOGY PRIVATE COMPANY LIMITED | Private company limited by shares | Live |
| Scientific Imaging And Instrument Technology Co., Limited | Private company limited by shares | Live |
| SUNNYWAY INSTRUMENT TECHNOLOGY (HK) LIMITED | Private company limited by shares | Live |
| Tesient Instrument Limited | Private company limited by shares | Live |
| LAIZHOU LAIHUA TESTING INSTRUMENT LIMITED | Private company limited by shares | Live |
| Zhilitong Testing Instrument (H.K.) Company Limited | Private company limited by shares | Live |
| TETOG Musical Instrument Co., Limited | Private company limited by shares | Live |
| Thermo Instrument (HongKong) Co., Limited | Private company limited by shares | Live |
| THERMO INSTRUMENT SYSTEMS (F.E.) LIMITED | Private company limited by shares | Dissolved |
| TianXin Instrument Limited | Private company limited by shares | Live |
| TIMELESS INSTRUMENT LIMITED | Private company limited by shares | Live |
| New times instrument Limited | Private company limited by shares | Live |
| CASLO MUSICAL INSTRUMENT TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| MINGYOU INSTRUMENT TRADING LIMITED | Private company limited by shares | Live |
| QUANTA INSTRUMENT TRADING CO., LIMITED | Private company limited by shares | Live |
| J.T SCIENTIFIC & INSTRUMENT INT'L TRADING LIMITED | Private company limited by shares | Live |
| SHINY INSTRUMENT INTERNATIONAL TRADING CO., LIMITED | Private company limited by shares | Live |
| Sucine Instrument Trading Limited | Private company limited by shares | Live |