| WAI YIP FIRST TOP ENGINEERING LIMITED | Private company limited by shares | Live |
| DSL ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| CAREMORE ENVIRONMENTAL MANAGEMENT (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| TAK YIM ADVERTISING ENGINEERING LIMITED | Private company limited by shares | Live |
| YING CHUI ENTERPRISES LIMITED | Private company limited by shares | Live |
| WAI WING (HW) ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| ENHANCE COMPANY LIMITED | Private company limited by shares | Dissolved |
| DELTA PYRAMAX ENGINEERING LIMITED | Private company limited by shares | Live |
| UNICORN ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| ENRICH TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| SUPERB ADVERTISING ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| MODERN ASIA ENVIRONMENTAL COMPANY LIMITED | Private company limited by shares | Live |
| JOYFUL YEAR ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| CHUNG KIT ENGINEERING LIMITED | Private company limited by shares | Live |
| GOOD LUCK ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| TOP DRAGON ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| DICK'S ENGINEERING LIMITED | Private company limited by shares | Live Commenced dormancy on 03-Feb-2001 |
| SOCIAL HUB ENTERTAINMENT (ASIA) LIMITED | Private company limited by shares | Live |
| Associated Environmental Systems Limited | Private company limited by shares | Live |
| BIOSCIENCE ENVIRONMENTAL HEALTH INTERNATIONAL CO. LIMITED | Private company limited by shares | Dissolved |
| INNOVATOR ELECTRONIC ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SUNBASE ENGINEERING & CONSULTANCY LIMITED | Private company limited by shares | Live |
| SUNBASE ENVIRONMENTAL HYGIENE LIMITED | Private company limited by shares | Live |
| WESTERN ORIENTAL ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| DOVERDALE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| ENTINUX LIMITED | Private company limited by shares | Live |
| WO KEI CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| BIG CAPITAL ENTERPRISE LIMITED | Private company limited by shares | Live |
| MILLENNIUM ENVIRONMENTAL TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| POLLUX DESIGN & ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| ENGINE ASIA LIMITED | Private company limited by shares | Dissolved |
| PAKLINK ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| WAH MING TRANSPORTATION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| PO HING (HING YIP) ENGINEERING CO. LIMITED | Private company limited by shares | Live |
| CHINA ENVIRONMENT FUND LIMITED | Private company limited by shares | Dissolved |
| E-NEW MEDIA CHINA COMPANY LIMITED | Private company limited by shares | Dissolved |
| PAK WING ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| ENVIRONMENT AND HEALTH COMPANY LIMITED | Private company limited by shares | Live |
| CENTURY FORTUNE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SUNYEAR ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| UNI ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| KONG LAM ENTERPRISES CO. LIMITED | Private company limited by shares | Live |
| LINK WAY ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| MARRIOT ENGINEERING & CONSTRUCTION COMPANY LIMITED | Private company limited by shares | Live |
| ASCENT CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| FU KIN ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SKY CONCORD ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SKY WEALTH ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SMART TEAM ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SPEEDY RISE ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| BUILDERWIRE MAINTENANCE ENGINEERING LIMITED | Private company limited by shares | Live |
| IMMVIC CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| HONG KONG FEDERATION OF ENVIRONMENTAL PROTECTION LIMITED | Private company limited by shares | Live |
| HAO RUI ENTERPRISES LIMITED | Private company limited by shares | Live |
| HENRY NEW ENTERPRISE CO., LIMITED | Private company limited by shares | Live |
| KAM TAT MACHINERY & ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| KAI HE ENTERPRISE COMPANY LIMITED | Private company limited by shares | Dissolved |
| HO SO ENGINEERING LIMITED | Private company limited by shares | Live |
| TRANS ENERGY (K.C.C.) LIMITED | Private company limited by shares | Live |
| YEUNG WANG ENGINEERING LIMITED | Private company limited by shares | Live Commenced dormancy on 23-Oct-2014 |
| CHEUK MING ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| ENVIRO TECHNOLOGY INTERNATIONAL LIMITED | Private company limited by shares | Live |
| K C MECHANICAL & ELECTRICAL ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| KC ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| KIN TUNG ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| FORE KIN ENGINEERING LIMITED | Private company limited by shares | Live |
| GRAND HARVEST ENGINEERING LIMITED | Private company limited by shares | Live |
| HO ON ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| GAINER ENGINEERING COMPANY LIMITED -THE- | Private company limited by shares | Dissolved |
| SKY CUBIC ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SILVER PACIFIC ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| ENGINE ROOM HK LIMITED -THE- | Private company limited by shares | Dissolved |
| GENERAL ENTERPRISE PTE LIMITED | Private company limited by shares | Dissolved |
| NETECH ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| KPS ENTERPRISES LIMITED | Private company limited by shares | Live |
| SUPER BEST ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| WELL CHAIN ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| ON KEE ENVIRONMENT RECYCLE LIMITED | Private company limited by shares | Dissolved |
| HAI LI ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| CSC ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| E-NEWS LIMITED | Private company limited by shares | Dissolved |
| ECO Environmental Investments Limited | Private company limited by shares | Live |
| SMARTFIELD ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| CHI LI ENGINEERING LIMITED | Private company limited by shares | Live |
| VICTORY OCEAN ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| NEW METHOD ENGINEERING LIMITED | Private company limited by shares | Live |
| WINDARD CONSTRUCTION & ENGINEERING LIMITED | Private company limited by shares | Live |
| MEGA HUGO ENGINEERING (CHINA) LIMITED | Private company limited by shares | Dissolved |
| PO TAT TRANSPORTATION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| ENVIRO-PRO TECH LIMITED | Private company limited by shares | Dissolved |
| NEW ENVIRONMENTAL INTERNATIONAL LIMITED | Private company limited by shares | Live |
| EVER RICHEST ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| PD ENTERPRISE LIMITED | Private company limited by shares | Live |
| SURPLUS ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| TOPHILL ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| EXCELLENT ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| INNOVATIVE NETWORK ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| STARWOOD ENGINEERING & MATERIALS LIMITED | Private company limited by shares | Dissolved |
| P & O ENTERPRISES LIMITED | Private company limited by shares | Live |
| ENTHENICS PUBLICATION CO., LIMITED | Private company limited by shares | Dissolved |