| Mission Mechanics Manufacturing Limited | | Live |
| Neo Mechanics Media Investment Limited | Private company limited by shares | Live |
| Packet Mechanics Limited | Private company limited by shares | Live |
| Starwong Precision Mechanics Limited | Private company limited by shares | Live |
| Salimoto Mechanics Limited | Private company limited by shares | Live |
| SINO MECHANICS COMPANY LIMITED | Private company limited by shares | Dissolved |
| HK SOIL MECHANICS LIMITED | Private company limited by shares | Dissolved |
| H K SOIL MECHANICS (CONSTRUCTION) LIMITED | Private company limited by shares | Dissolved |
| ATOMIC MECHANICS TECHNOLOGY LIMITED | Private company limited by shares | Live |
| HK TAIMING PUMPING KAIYI THREESTARS MECHANICS GROUP COMPANY LIMITED | Private company limited by shares | Dissolved |
| HK MECHANICS AND TRADE LIMITED | Private company limited by shares | Live |
| NEO MECHANICS TRADING LIMITED | | Live |
| HK ZhongYuan Mechanics Limited | Private company limited by shares | Dissolved |
| TCM Standard Mechanism Limited | Private company limited by shares | Live |
| MechaniX Limited | Private company limited by shares | Live |
| MECHANTEX LIMITED | Private company limited by shares | Dissolved |
| C & C MECHANTRONIC LIMITED | Private company limited by shares | Dissolved |
| Mechatra Limited | Private company limited by shares | Live |
| MECHATRO TECH COMPANY LIMITED | Private company limited by shares | Live |
| A&R MECHATRONIC LIMITED | Private company limited by shares | Live |
| mechatronic PRO Limited | Private company limited by shares | Live |
| SUNRISE MECHATRONIC CO., LIMITED | Private company limited by shares | Live |
| CREDEN MECHATRONIC (HONG KONG) CO. LIMITED | Private company limited by shares | Dissolved |
| MECHATRONIC ASIA PACIFIC LIMITED | Private company limited by shares | Live |
| FUD MECHATRONIC (SINGAPORE) PTE LIMITED | Private company limited by shares | Live |
| MECHATRONIC SOLUTIONS LIMITED | Private company limited by shares | Live |
| MECHATRONICS LIMITED | Private company limited by shares | Dissolved |
| SIU MECHATRONICS CO. LIMITED | Private company limited by shares | Live |
| N9 Mechatronics Limited | Private company limited by shares | Live |
| APG Mechatronics HK Limited | Private company limited by shares | Live |
| LQ MECHATRONICS ASIA LIMITED | Private company limited by shares | Live |
| BLUETECH MECHATRONICS CO., LIMITED | Private company limited by shares | Live |
| SANYUAN COATING MECHATRONICS LIMITED | Private company limited by shares | Live |
| SANYUAN COATING MECHATRONICS LIMITED | Private company limited by shares | Live |
| Comsen Mechatronics Limited | Private company limited by shares | Live |
| Equinox Mechatronics Limited | Private company limited by shares | Live |
| HK First Mechatronics Limited | Private company limited by shares | Dissolved |
| MAGIX MECHATRONICS COMPANY LIMITED | Private company limited by shares | Live |
| MAN POWER MECHATRONICS LIMITED | | Live |
| WAKO MECHATRONICS LIMITED | Private company limited by shares | Dissolved |
| YAWEI MECHATRONIK SHARES LIMITED | Private company limited by shares | Live |
| ACE MECHATRONIX CO., LIMITED | Private company limited by shares | Dissolved |
| MECHCAMP LIMITED | | Live |
| MECHCHOICE GLOBAL SOURCING LIMITED | Private company limited by shares | Live |
| MECHCIMAR ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| MECHEL CONTRACTOR OVERSEAS LIMITED | Private company limited by shares | Live |
| UNIAUTO (HONG KONG) INTERNATIONAL MECH-ELEC COMPANY LIMITED | Private company limited by shares | Dissolved |
| CHANGHAO MECH/ELEC PRODUCTS COMPANY LIMITED | Private company limited by shares | Dissolved |
| MECHELSON CHINA DIGITAL INDUSTRY GROUP LIMITED | Private company limited by shares | Live |
| MECHEM CO LIMITED | Private company limited by shares | Live |
| MECHEM RESOURCES LIMITED | Private company limited by shares | Live |
| MECHEN INDUSTRIAL LIMITED | Private company limited by shares | Live |
| MECHEN MEDICAL MANUFACTURING CO., LIMITED | Private company limited by shares | Live |
| MECHETRONICS ASIA LIMITED | Private company limited by shares | Live |
| MECHFORTE COLDTEC & CATERING EQUIPMENT (HK) LIMITED | Private company limited by shares | Live |
| MECHFORTE ENGINEERING (HK) LIMITED | Private company limited by shares | Live |
| MECHFORTE HOLDINGS LIMITED | Private company limited by shares | Live |
| MECHI CORPORATION LIMITED | Private company limited by shares | Live |
| MECHI TRADING CO., LIMITED | | Live |
| Champion-made Precision Mechinery (HK) Co., Limited | Private company limited by shares | Live |
| SHANGHAI CHUANGKE MECHINERY LIMITED | Private company limited by shares | Live |
| MINGYEE MECHINERY CO., LIMITED | Private company limited by shares | Dissolved |
| OCEAN MECHINERY (H.K.) LIMITED | Private company limited by shares | Dissolved |
| Leiyuan Mechinery Equipment (Hongkong) Co., Limited | | Live |
| TAIWAN TAILI MECHINERY CO., LIMITED | Private company limited by shares | Live |
| Mechmaxx Limited | | Live |
| MechMed Limited | Private company limited by shares | Live |
| Mechmerc Limited | Private company limited by shares | Live |
| MECHNOIZ TOYS LIMITED | Private company limited by shares | Live |
| Mechnologix Limited | | Live |
| MECHO LIMITED | Private company limited by shares | Live |
| MechPartner Mechanical Engineering Limited | Private company limited by shares | Live |
| MECHRC LIMITED | Private company limited by shares | Dissolved |
| MECHSFIELD INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Live |
| MechStruct Engineering and trading Limited | Private company limited by shares | Live |
| MECHTECH COMPANY LIMITED | Private company limited by shares | Dissolved |
| MECHTRONICS HONG KONG LIMITED | Private company limited by shares | Live |
| MECHTTR TECHNOLOGY INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |