| RU YI MECHANIC COMPANY LIMITED | Private company limited by shares | Dissolved |
| WAI KEE MECHANIC LIMITED | Private company limited by shares | Live |
| BUS MECHANIC COMPANY LIMITED | Private company limited by shares | Live |
| Mr. Mechanic Company Limited | Private company limited by shares | Live |
| BEST MECHANIC LIMITED | Private company limited by shares | Live |
| MARITIME MECHANIC LIMITED | Private company limited by shares | Live |
| WAH KEE MECHANICAL COMPANY LIMITED | Private company limited by shares | Live |
| LEE FAT MECHANICAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| SHI TEH MECHANICAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| HIN KEE MECHANICAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| HK XUN MECHANICAL LIMITED | Private company limited by shares | Live |
| AE MECHANICAL INC LIMITED | Private company limited by shares | Live |
| HZ QCS MECHANICAL LIMITED | Private company limited by shares | Live |
| Siu Fai Mechanical Limited | Private company limited by shares | Live |
| DSJ MECHANICAL LIMITED | Private company limited by shares | Live |
| CAMPANULA MECHANICAL LIMITED | Private company limited by shares | Dissolved |
| CHUNG YUEN MECHANICAL LIMITED | | Live |
| CKLWY MECHANICAL LIMITED | Private company limited by shares | Live |
| COSTO MECHANICAL CO., LIMITED | Private company limited by shares | Live |
| FEILIDE MECHANICAL CO., LIMITED | Private company limited by shares | Live |
| HK YAMAHA GARDEN MECHANICAL CO., LIMITED | Private company limited by shares | Dissolved |
| WAH KONG MECHANICAL & MACHINERY CO., LIMITED | Private company limited by shares | Live Commenced dormancy on 25-Jun-2013 |
| SIRIUS DIGITAL MECHANICAL CO., LIMITED | Private company limited by shares | Live |
| LUYU CONSTRUCTION MECHANICAL CO., LIMITED | Private company limited by shares | Live |
| SHANGHAI DONGYA TONGYONG WILDING MECHANICAL LIMITED | Company limited by guarantee | Dissolved |
| SAMSUNG MECHANICAL & ELECTRICAL HOLDING LIMITED | Private company limited by shares | Dissolved |
| MING XIN ELECTRICAL AND MECHANICAL MANUFACTURING COMPANY LIMITED | Private company limited by shares | Live |
| HK MOSHI ELECTRO MECHANICAL CO., LIMITED | | Live |
| GUANGDONG ZHAOQING HUANAN ELECTRO MECHANICAL LIMITED | Private company limited by shares | Live |
| GRAND HARVEST MECHANICAL RIGGINGS COMPANY LIMITED | Private company limited by shares | Live |
| FUJIAN QUANZHOU LITONG MECHANICAL LIMITED | Private company limited by shares | Live |
| YUEN MOON MECHANICAL ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| EASTCUM POWER MECHANICAL LIMITED | Private company limited by shares | Live |
| SHANGHAI HAOTIAN MECHANICAL SHARES CO., LIMITED | Private company limited by shares | Dissolved |
| SHANGHAI BEIQI MECHANICAL & ELECTRICAL LIMITED | Private company limited by shares | Dissolved |
| SHANGHAI CAMEL ELECTRICAL MECHANICAL FACTORY LIMITED | Private company limited by shares | Live |
| SHANGHAI PEOPLE MECHANICAL & ELECTRICAL LIMITED | Private company limited by shares | Live |
| SHANGHAI PEOPLE GROUP MECHANICAL PUMP LIMITED | Private company limited by shares | Live |
| SHANGHAI SHUANGLI MECHANICAL LIMITED | Private company limited by shares | Live |
| SHANGHAI WEILITONG MECHANICAL LIMITED | Private company limited by shares | Dissolved |
| SHANGHAI WORKER-PEASANT MECHANICAL LIMITED | Private company limited by shares | Live |
| SQUARE POINT ELECTRICAL AND MECHANICAL ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| MING HO MECHANICAL TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| KUN MING RUI LI DA MECHANICAL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| FUJIAN MINGONG TONGYONG MECHANICAL LIMITED | Private company limited by shares | Live |
| ZHONGLONG MECHANICAL LIMITED | Private company limited by shares | Live |
| SHANGHAI HANWANG MECHANICAL-ELECTRICAL MAKE LIMITED | Private company limited by shares | Dissolved |
| SHANGHAI ASIANA MECHANICAL&ELECTRICAL LIMITED | Private company limited by shares | Live |
| SHANGHAI PEOPLE MECHANICAL&ELECTRICAL FACTORY GROUP LIMITED | Private company limited by shares | Live |
| SHANGHAI PEOPLE ENTERPRISE MECHANICAL&ELECTRONIC PUMP INDUSTRY HOLDING TECHNOLOGY LIMITED | Private company limited by shares | Live |
| MECHANICRAFT LIMITED | Private company limited by shares | Live |
| NEO MECHANICS LIMITED | Private company limited by shares | Live |
| Bee Mechanics Limited | | Live |
| Sherman Motocycle Mechanics and Luggage Case Specialist Limited | Private company limited by shares | Live |
| CONSTRUCTION MECHANICS' TRAINING CLUB LIMITED | Private company limited by shares | Live |
| BONWAY MECHANICS & ELECTRONICS INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| CHONGQING JIANWEI MECHANICS CO., LIMITED | | Live |
| Germany Planck Mechanics Ground Materials Co., Limited | Private company limited by shares | Live |
| XUZHOU CONSTRUCTION MECHANICS BRANCH COMPANY LIMITED | Private company limited by shares | Dissolved |
| CONSTRUCTION MECHANICS TECHNOLOGY CONSULTING LIMITED | | Live |
| VELA MECHANICS CORPORATION LIMITED | Private company limited by shares | Dissolved |
| Data Mechanics Limited | Private company limited by shares | Dissolved |
| CHINA JIN LAND ENDINEERING MECHANICS LIMITED | Private company limited by shares | Live |
| GREEN MECHANICS ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| NEO MECHANICS ENVIRONMENTAL LIMITED | Private company limited by shares | Live |
| Xinqi Mechanics Equipment HK Co., Limited | Private company limited by shares | Live |
| ERGO MECHANICS LIMITED | Private company limited by shares | Live |
| ERGOtek Mechanics Limited | Private company limited by shares | Live |
| Ferrum Mechanics Co., Limited | Private company limited by shares | Live |
| WING FUNG MECHANICS & ELECTRONICS COMPANY LIMITED | Private company limited by shares | Live |
| Hiroshi Precision Mechanics Limited | Private company limited by shares | Live |
| BAOTAI MECHANICS (HK) CO., LIMITED | Private company limited by shares | Dissolved |
| MARATHON (HK) ELECTRICAL & MECHANICS CO., LIMITED | Private company limited by shares | Live |
| H.K. PLATTS MECHANICS CO., LIMITED | Private company limited by shares | Dissolved |
| WITCO MECHANICS (HK) LIMITED | Private company limited by shares | Live |
| HONG KONG PEOPLE ELECTRIC MECHANICS GROUP COMPANY LIMITED | Private company limited by shares | Dissolved |
| Association of Motor Mechanics Hong Kong Company Limited -The- | Company limited by guarantee | Dissolved |
| HENGYUXIN (HONGKONG) MECHANICS TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| IDEA MECHANICS LIMITED | Private company limited by shares | Dissolved |
| IDEAL MECHANICS CONTRACT & ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| HK SHENGSHI MECHANICS INDUSTRIAL LIMITED | Private company limited by shares | Live |
| FLUID MECHANICS INSTRUMENT CO., LIMITED | Private company limited by shares | Live |
| MECHANICS INTERNATIONAL LIMITED | Private company limited by shares | Live |
| WELLHEAD INTERNATIONAL MECHANICS SHARES LIMITED | Private company limited by shares | Dissolved |
| WELL INTERNATIONAL MECHANICS SHARES LIMITED | Private company limited by shares | Dissolved |
| HK YITONG ENGINEERING MECHANICS INT'L TRADE LIMITED | Private company limited by shares | Live Commenced dormancy on 26-Apr-2016 |
| Jason Mechanics Limited | Private company limited by shares | Dissolved |
| Kingsun Electro & Mechanics Co., Limited | Private company limited by shares | Live |
| LEE'S MECHANICS LIMITED | Private company limited by shares | Dissolved |
| Lions Mechanics Co. Limited | Private company limited by shares | Live |
| GERMANY DOS MECHANICS MANUFACTURE LIMITED | | Live |
| 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 |