| CHUEN'S ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| PROWIN ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| XIAN ELECTRIC ENGINEERING (HONG KONG) COMPANY LIMITED | Private company limited by shares | Live |
| ENVITECH LIMITED | Private company limited by shares | Live |
| NEW CREATION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| EASTERN GROUP ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| WIN CENTURY ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| DRAGON WEALTHY ENTERPRISES LIMITED | Private company limited by shares | Live |
| HO MING KEE ENGINEERING LIMITED | Private company limited by shares | Live |
| ROOTS ENVIRONMENTAL TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| E & R ENERGY TECHNOLOGIES LIMITED | Private company limited by shares | Live Commenced dormancy on 03-Jul-2012 |
| ENVIRONMENTAL PCM-TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| VENTURE STAR ENGINEERING LIMITED | Private company limited by shares | Live |
| TRULY WEALTH ENGINEERING LIMITED | Private company limited by shares | Live |
| SKYWELL CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SIONWELL CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| FAME TREASURE ENGINEERING LIMITED | Private company limited by shares | Live |
| GRANDSKY CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SEA GULL ENGINEERING CO. LIMITED | Private company limited by shares | Live |
| GALA MACHINERY ENGINEERING LIMITED | Private company limited by shares | Live |
| WING LEE CONSTRUCTION AND ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| KIN KWAN ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| PRINCETON ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| TWINKLE ENVIRONMENTAL TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| SERAPHIM ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| WIN RICH ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SUCCESS ENVIRONMENTAL RESOURCES LIMITED | Private company limited by shares | Dissolved |
| ON FAT LUNG ENVIRONMENTAL MANAGEMENT COMPANY LIMITED | Private company limited by shares | Live |
| JSK ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| GOAL TEAM ENTERPRISES LIMITED | Private company limited by shares | Live |
| KA YEE ENGINEERING LIMITED | Private company limited by shares | Live |
| HONG KONG ENJOY INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| LINKMART ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SUMMIT ENVIRONMENTAL TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| RIDGID ENGINEERING (CHINA) LIMITED | Private company limited by shares | Dissolved |
| MIDAS ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| TOP EASTERN ENTERPRISES LIMITED | Private company limited by shares | Live |
| ENG. HK LIMITED | Private company limited by shares | Dissolved |
| ENRICH CORPORATION (HK) LIMITED | Private company limited by shares | Live |
| JUPITER ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| TOPEAST ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SUCCESS CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| WINDSOR ENVIRONMENTAL TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| SK ENTERPRISES LIMITED | Private company limited by shares | Live |
| FLAIR ENTERPRISES LIMITED -THE- | Private company limited by shares | Dissolved |
| ISI ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| G. M. F. MARINE ENGINEERING & CONSTRUCTION CO. LIMITED | Private company limited by shares | Dissolved |
| TENION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| ARCO ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| CENTURY CHINA ENTERTAINMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| NATIONWIDE ENVIRONMENTAL CO. LIMITED | Private company limited by shares | Dissolved |
| BEST INNOVATIONS ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| CHINESE ENTREPRENEURS ORGANIZATION LIMITED | Company limited by guarantee | Live |
| KAI HING ENGINEERING (WONG'S) LIMITED | Private company limited by shares | Live |
| EVER RISE TELECOMMUNICATION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| PAK YU TRANSPORTATION ENGINEERING LIMITED | Private company limited by shares | Live |
| TIME BEST ENTERPRISE LIMITED | Private company limited by shares | Live |
| TIME PACIFIC ENGINEERING LIMITED | Private company limited by shares | Live |
| PACIFIC ENVIRONMENTAL LIMITED | Private company limited by shares | Dissolved |
| AD FORCE ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| WAI TAT IRON ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| LEE CHUNG ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| OCEAN FORTUNE ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| PACIFIC LEGEND ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| POWER WEALTH ENGINEERING LIMITED | Private company limited by shares | Live |
| SKYLIKE ENGINEERING LIMITED | Private company limited by shares | Live |
| SIK YEE ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| GOODWILL ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| IMPERIAL WAY ENTERPRISES LIMITED | Private company limited by shares | Live |
| MOON TO ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| GOOD WISDOM ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| KINGTOP ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| CHINA WINNING ENTERPRISES LIMITED | Private company limited by shares | Live |
| MASSWIDE ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| CHUNG KEE ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| YIU KAI ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| C. M. ENTERPRISE COMPANY LIMITED | Private company limited by shares | Live |
| CHINA ENVIRONMENTAL ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| CHERUBIM ENTERPRISE SOLUTIONS LIMITED | Private company limited by shares | Live |
| WONDERFUL SIGHT DESIGN & ENGINEERING CO. LIMITED | Private company limited by shares | Dissolved |
| EFFECTIVE ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| CITIASIA ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| APEC LANDSCAPE DESIGN ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| ANGLO ENTERNITY LIMITED | Private company limited by shares | Live |
| EVERCLEAN ENVIRONMENTAL ENGINEERING (HK) LIMITED | Private company limited by shares | Dissolved |
| ARTBON ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| MING RIVER ENTERPRISES LIMITED | Private company limited by shares | Live |
| WING FAT ENGINEERING (HONG KONG) COMPANY LIMITED | Private company limited by shares | Live |
| SILVER AGE ENGINEERING PLASTICS LIMITED | Private company limited by shares | Live |
| WO HING WAH KEE ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| NEW SENSE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| OCEAN TOP ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SUNWAY ENVIRONMENT CO., LIMITED | Private company limited by shares | Dissolved |
| HARMONIC VIEW ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| MING YAN ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| PO LEE SCAFFOLDING ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| Hong Kong Environmental Technology Limited | Private company limited by shares | Live Commenced dormancy on 16-Jul-2012 |
| WARBONNET ENGINEERING LIMITED | Private company limited by shares | Live |
| CREATIVE (SYSTEM) ENGINEERING LIMITED | Private company limited by shares | Live |
| K W ENGINEERING LIMITED | Private company limited by shares | Live |