| Forest Way Engineering Company Limited | Private company limited by shares | Live |
| Grand Design Engineering Company Limited | Private company limited by shares | Live |
| YOU CHENG MINE ENGINEERING LIMITED | Private company limited by shares | Live |
| PDS Engineering Co., Limited | Private company limited by shares | Live |
| QY ENGINEERING LIMITED | Private company limited by shares | Live |
| YU HIN ENTERPRISE HK LIMITED | Private company limited by shares | Live |
| ENGLEY INTERNATIONAL GROUP (HK) LIMITED | Private company limited by shares | Live |
| Enjoy Good International Economic Technical Cooperation Co., Limited | Private company limited by shares | Live |
| SANFUNG PETRO ENERGY LIMITED | Private company limited by shares | Live |
| SUN POINT ENGINEERING LIMITED | Private company limited by shares | Live |
| Engoton Education Group Limited | Private company limited by shares | Live |
| M3 ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| HUIZHI ENTERPRISE CO., LIMITED | Private company limited by shares | Live |
| Echo Enterprises Trading Asia Limited | Private company limited by shares | Live |
| JAGUAR ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| TECH FIRST ENGINEERING LIMITED | Private company limited by shares | Live |
| ENGTAL Search Consultant Limited | Private company limited by shares | Live |
| EXCELLENT ENTERPRISE (USA) CO., LIMITED | Private company limited by shares | Dissolved |
| TOL ENGINEERING LIMITED | Private company limited by shares | Live |
| YAU WAI ENGINEERING CO., LIMITED | Private company limited by shares | Dissolved |
| GLOBAL ENGINEERING SOLUTIONS LIMITED | Private company limited by shares | Live |
| Parkar Engineering Limited | Private company limited by shares | Live |
| XI'AN LIB ENVIRONMENTAL SIMULATION INDUSTRY LIMITED | Private company limited by shares | Live |
| ENBO BUSINESS SERVICE LIMITED | Private company limited by shares | Live |
| ABLE TEAM CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| WEALTH STAR ENGINEERING LIMITED | Private company limited by shares | Live |
| CHAMP POWER CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| TIME GRACE ENTERPRISE LIMITED | Private company limited by shares | Live |
| EXCEL CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| FOK MING KEE ENGINEERING LIMITED | Private company limited by shares | Live |
| SILVER FAME ENTERPRISE LIMITED | Private company limited by shares | Live |
| KONG GROUP ENTERPRISE LIMITED | Private company limited by shares | Live |
| Enlight Develop International Limited | Private company limited by shares | Live |
| N&G ENVIRONMENTAL HK LIMITED | Private company limited by shares | Live |
| BDP ENVIROTECH LIMITED | Private company limited by shares | Live |
| TELFORD ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| MING TIN ENTERPRISES LIMITED | Private company limited by shares | Live |
| WANG YUEN CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| STC ENTERPRISE LIMITED | Private company limited by shares | Live |
| MEC Enviro-Tech Limited | Private company limited by shares | Live |
| BWK ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| Awin Engineering Limited | Private company limited by shares | Live |
| HAPPY SUCCESS ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| 360 ENGINEERING SERVICE CO. LIMITED | Private company limited by shares | Live |
| EVER FIRST ENGINEERING LIMITED | Private company limited by shares | Live |
| SUNMAX ENGINEERING LIMITED | Private company limited by shares | Live |
| CENTURY TOP ENTERPRISES LIMITED | Private company limited by shares | Live |
| EAST TIME ENTERPRISES LIMITED | Private company limited by shares | Live |
| FIRST STAR ENTERPRISES LIMITED | Private company limited by shares | Live |
| SUNWARD ENTERPRISES LIMITED | Private company limited by shares | Live |
| HARVEST TIME ENGINEERING HK LIMITED | Private company limited by shares | Live |
| METRO ENTERPRIZES LIMITED | Private company limited by shares | Live |
| L&B ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| S L ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| Fu Tong Environmental Treatment Limited | Private company limited by shares | Live |
| AIR JET ENGINEERING GLOBAL LIMITED | Private company limited by shares | Live |
| HS ENGINEERING LIMITED | Private company limited by shares | Live |
| DRAGON PRIDE ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SPECTRUM ENGINEERING LIMITED | Private company limited by shares | Live |
| SILVER STAR REMODEL ENGINEERING CO LIMITED | Private company limited by shares | Dissolved |
| ADG EnerTech Limited | Private company limited by shares | Live |
| WElink Energy (South America) Limited | Private company limited by shares | Live |
| Honone Enterprise Co., Limited | Private company limited by shares | Live |
| KA MAN BEAUTY SOCIAL ENTERPRISE LIMITED | Company limited by guarantee | Live |
| ModelingTech Energy Technology (Hong Kong) Company Limited | Private company limited by shares | Live |
| SRG ENTERPRISE LIMITED | Private company limited by shares | Live |
| ENGLISH TV LIMITED | Private company limited by shares | Live |
| GRAND EXPRESS ENGINEERING LIMITED | Private company limited by shares | Live |
| OCEAN PAK ENTERPRISES LIMITED | Private company limited by shares | Live |
| KIT PRO ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| Sparkling Wine Entertainment Group Limited | Private company limited by shares | Live |
| WElink Energy Technology (Hong Kong) Limited | Private company limited by shares | Live |
| HEEJIN ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| Xin Han Mao Enterprise Limited | Private company limited by shares | Live |
| CHINA-HK ZHULIAN ENERGY ALLIANCE LIMITED | Private company limited by shares | Dissolved |
| STAR ON ENGINEERING LIMITED | Private company limited by shares | Live |
| DC ENERGY SYSTEMS LIMITED | Private company limited by shares | Live |
| RCD ENTERPRISE LIMITED | Private company limited by shares | Live |
| CHONG CHI ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| FAME ENERGY LIMITED | Private company limited by shares | Dissolved |
| CHOYCE ENGINEERING LIMITED | Private company limited by shares | Live |
| Oil & Energy Consultation Limited | Private company limited by shares | Live |
| FOR YING ENGINEERING LIMITED | Private company limited by shares | Live |
| Wa Enterprises Limited | Private company limited by shares | Live |
| CHI CHUNG ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| TOP HILL ENGINEERING MANAGEMENT LIMITED | Private company limited by shares | Live |
| IWM ENGINEERING LIMITED | Private company limited by shares | Live |
| DILIGENT ENGINEERING LIMITED | Private company limited by shares | Live |
| Honor Construction Engineering Company Limited | Private company limited by shares | Live |
| WEALTHY MARK ENGINEERING LIMITED | Private company limited by shares | Live |
| Le & Der Environmental Technology Co., Limited | Private company limited by shares | Live |
| RMR ENTERPRISES LIMITED | Private company limited by shares | Live |
| YSY NETWORK ENGINEERING LIMITED | Private company limited by shares | Live |
| CCS Entertainment Company Limited | Private company limited by shares | Live |
| Teng Sheng Engineering Company Limited | Private company limited by shares | Live |
| PINECONE ENTERPRISES LIMITED | Private company limited by shares | Live |
| HOLY ENERGY TECHNOLOGY ENGINEERING LIMITED | Private company limited by shares | Live |
| AETECH Engineering Limited | Private company limited by shares | Live |
| H & H GREENING ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| DA DE TONG ENERGY HOLDING CO., LIMITED | Private company limited by shares | Live |