| HANCO POOL & FOUNTAIN ENGINEERING CO. LIMITED | Private company limited by shares | Live |
| TAK FOO ENGINEERING & CONSTRUCTION CO. LIMITED | Private company limited by shares | Live |
| ENVIRONMENTAL PROTECTION ASSETS LIMITED | Private company limited by shares | Dissolved |
| ENVIRONMENTAL PROTECTION INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| WAH YUK FAI ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| E. FAIR ENGINEERING CO., LIMITED | Private company limited by shares | Dissolved |
| YOUNG ENVIRONMENTAL SYSTEMS COMPANY LIMITED | Private company limited by shares | Dissolved |
| ITE ENGINEERING LIMITED | Private company limited by shares | Live |
| SKY CUBIC ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| CROWN LUCK ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| E-NITIATIVE (HK) LIMITED | Private company limited by shares | Dissolved |
| DRAGON NET ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| E-NET TRADING LIMITED | Private company limited by shares | Dissolved |
| WINTEX ASIA ENTERPRISE LIMITED | Private company limited by shares | Live |
| 3T ENVIRONMENTAL TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| FRUITFUL REALTY ENTERPRISES LIMITED | Private company limited by shares | Live |
| WINSTAR ENGINEERINGS LIMITED | Private company limited by shares | Live |
| MILLION POWER ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| JOIN RICH ENGINEERING LIMITED | Private company limited by shares | Live |
| HARBOUR TECH ENGINEERING LIMITED | Private company limited by shares | Live |
| STRONG HERO ENGINEERING LIMITED | Private company limited by shares | Live Ceased dormancy on 04-Jun-2008 |
| WINCARD ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| GREENPOWER ENGINEERING (CHINA) LIMITED | Private company limited by shares | Live |
| ON CAPITAL ENTERPRISES LIMITED | Private company limited by shares | Live |
| ARCHITECT'S CHOICE ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| KEI IP ENGINEERING LIMITED | Private company limited by shares | Live |
| SUPER WISDOM ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| FULLYEAR ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SUPERHERO ENGINEERING LIMITED | Private company limited by shares | Live |
| COBO ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| TOP UNICORN ENGINEERING LIMITED | Private company limited by shares | Live |
| TAK TAI ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| CENTURY CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| ENERGY TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| SMARTMIND ENGINEERING LIMITED | Private company limited by shares | Live |
| TREASURE HILL ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| UPWELL ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| PO FAI MARBLE ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| P-TECH ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| GLOBAL ENERGY TRADING LIMITED | Private company limited by shares | Dissolved |
| TP ENTERPRISE COMPANY LIMITED | Private company limited by shares | Dissolved |
| STANDARD ENTERPRISES MANUFACTURING LIMITED | Private company limited by shares | Dissolved |
| ENVIRONMENTAL TECHNOLOGY CONSULTANTS LIMITED | Private company limited by shares | Live |
| P & J ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| FULL YAU ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| BUILD ART ENGINEERING CO., LIMITED | Private company limited by shares | Dissolved |
| BEST CREATION ENGINEERING LIMITED | Private company limited by shares | Live |
| KWON PO ENGINEERING LIMITED | Private company limited by shares | Live |
| SMARTVIEW ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SMART GOAL ENGINEERING LIMITED | Private company limited by shares | Live |
| ORIENT WEALTH ENTERPRISE LIMITED | Private company limited by shares | Live |
| TRADE HARVEST ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| HCC ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| LEGO ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| SMART GOAL CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| CHUEN KEE PILING AND ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| CHIU YUET PAINTING ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| PAGEANT STAR ENGINEERING CO. LIMITED | Private company limited by shares | Dissolved |
| KAN KEE PAINTING ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| HOPWIN ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| A. J. T. ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| WONG SUM ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| ENGINEER.COM.HK LIMITED | Private company limited by shares | Dissolved |
| J&K ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| DIGITAL ENTERTAINMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| TOP TEAM CONSTRUCTION & ENGINEERING CO. LIMITED | Private company limited by shares | Dissolved |
| YUE WO ENTERPRISE COMPANY LIMITED | Private company limited by shares | Dissolved |
| NEW YUEN MING ENGINEERING CO., LIMITED | Private company limited by shares | Dissolved |
| CENTURY WEALTH ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| MEANS COME ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| GLORY FORTUNE ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| GLORY WAY ENGINEERING LIMITED | Private company limited by shares | Live |
| MILLION WELL ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| TOP ERA ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| UNITED WELL ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| DUENHAO SOLAR ENERGY TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| LAI'S ENVIRONMENTAL MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| ENGTECH COMPANY LIMITED | Private company limited by shares | Dissolved |
| BLOOMSFIT ENGINEERING & MACHINERY LIMITED | Private company limited by shares | Dissolved |
| DRAGON RICH ENTERPRISES LIMITED | Private company limited by shares | Live |
| ASIA RENEWABLE ENERGY LIMITED | Private company limited by shares | Dissolved |
| HING LEE SCAFFOLDING ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| ENRICH CONSTRUCTION LIMITED | Private company limited by shares | Dissolved |
| ECM ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| ENVIROMARK TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| BOUNTY ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| FIVE OCEAN ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| INTERWAY ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| THRIVE TIME ENERGY HOLDING LIMITED | Private company limited by shares | Live |
| TEEMWAY ENVIRONMENTAL TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| ENVIRONS LIMITED | Private company limited by shares | Dissolved |
| SAM WO ENGINEERING CONSTRUCTION LIMITED | Private company limited by shares | Dissolved |
| SUN KEE ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| KAM KEE ENGINEERING LIMITED | Private company limited by shares | Live |
| DMX ENGINEERING LIMITED | Private company limited by shares | Live |
| HO YIP TRADING ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SKY WEALTHY ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| NEW CREATIVE ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| CYBER LINK ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| GLOBAL PACIFIC ENGINEERING LIMITED | Private company limited by shares | Dissolved |