| GOLD HERO ENGINEERING LIMITED | Private company limited by shares | Live |
| EVER MORE CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| NEW WAVE ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| WELL ENGINEERING & CONSTRUCTION COMPANY LIMITED | Private company limited by shares | Live |
| FED UP ENOUGH LIMITED | Private company limited by shares | Dissolved |
| WING LUN ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SPEEDY RICH ENGINEERING INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| HOPKIN ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SHINING STAR ENTERTAINMENT LIMITED | Private company limited by shares | Dissolved |
| FU KIN ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| ON LEE ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| VICTORIA HARBOUR ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| JETFAITH ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| LEGEND CENTURY ENTERPRISES LIMITED | Private company limited by shares | Live |
| BERYL (HK) ENVIRONMENT SCAPE DESIGN LIMITED | Private company limited by shares | Dissolved |
| GAIN CONSTRUCTION & ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| CHONG SIN E & M ENGINEERING CO. LIMITED | Private company limited by shares | Dissolved |
| CHINA ENVIRONMENTAL FOUNDATION LIMITED | Private company limited by shares | Dissolved |
| KIN TAT ENGINEERS LIMITED | Private company limited by shares | Live |
| ENERGY INVESTMENT LIMITED | Private company limited by shares | Live |
| NINGBO ORIENT ENTERPRISES CO., LIMITED | Private company limited by shares | Dissolved |
| SIGNATURE ENTERTAINMENT ASIA LIMITED | Private company limited by shares | Dissolved |
| O2 ONLINE ENTERTAINMENT LIMITED | Private company limited by shares | Live |
| TEI ENTERPRISES LIMITED | Private company limited by shares | Live |
| WING YAN ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| EAST CENTURY ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| ENLONG INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| EASTECH SYSTEM ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| JOIN WIN ENGINEERING LIMITED | Private company limited by shares | Live |
| TOP SUCCESS CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| LONG WELL ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| OTTO CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| PACIFIC ASIA ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| PACIFIC VIEW ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| LEGEND PLAN ENTERPRISE LIMITED | Private company limited by shares | Live |
| KEY BOND ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| GRAND POWER ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| GRAND HILL ENTERPRISE LIMITED | Private company limited by shares | Live |
| YIU WO ENTERPRISE LIMITED | Private company limited by shares | Live |
| WISE TRADE ENTERPRISE LIMITED | Private company limited by shares | Live |
| WAH TAK ENTERPRISE LIMITED | Private company limited by shares | Live |
| SMART YEAR ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| WING TAT DESIGN & ENGINEERING LIMITED | Private company limited by shares | Live |
| WEALTH FAME ENTERPRISE LIMITED | Private company limited by shares | Live |
| WINDEX ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| JEG ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| HOMWAY ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| HONEST EXPRESS ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| NEW WINNER ENGINEERING LIMITED | Private company limited by shares | Live |
| GOLD SEA ENGINEERING LIMITED | Private company limited by shares | Live |
| MAX YOUNG ENGINEERING (HONG KONG) LIMITED | Private company limited by shares | Live |
| OUSENRUI INTERNATIONAL ENVIRONMENTAL PROTECTION TECHNOLOGY (H.K.) LIMITED | Private company limited by shares | Dissolved |
| COMMANDER ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| T-FORCE ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| ALTOR ENVIRONMENTAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| WEALTHY (INVESTMENT) ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| YAT YEUNG ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| FU NGAI CONSTRUCTION AND ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| M & A ENTERPRISE COMPANY LIMITED | Private company limited by shares | Live |
| WAH KWUN ENTERPRISES COMPANY LIMITED | Private company limited by shares | Live |
| HO KEI ENGINEERING CO. LIMITED | Private company limited by shares | Live |
| GAINTEAM LIGHTING ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| CO-OPERATION ENGINEERING LIMITED | Private company limited by shares | Live |
| FUKU ENGINEERING MACHINERY COMPANY LIMITED | Private company limited by shares | Dissolved |
| PARKEN ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| TOPWISE ENGINEERING LIMITED | Private company limited by shares | Live |
| SMART SUCCESS ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| LEE CHI ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| VISUALTECH AV ENGINEERING LIMITED | Private company limited by shares | Live |
| WELL GRAND ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| NEWBASE ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| LEE YEE ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| KAI SUN ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| LONG SUCCESS CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| HUGEWAY CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| EXCEL SKY CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| CHINA TRADE ENTERPRISE INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SKY TEAM CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| B & E ENTERPRISE LIMITED | Private company limited by shares | Live |
| FAME CONCEPT ENGINEERING LIMITED | Private company limited by shares | Live |
| HINWORLD ENTERPRISES LIMITED | Private company limited by shares | Live |
| J&B ENVIRONMENT LIMITED | Private company limited by shares | Live |
| VIEWS ENG. LIMITED | Private company limited by shares | Dissolved |
| CHINA ENVIRONMENT PROTECT MAGAZINE LIMITED | Private company limited by shares | Dissolved |
| T & G ENTERPRISE COMPANY LIMITED | Private company limited by shares | Dissolved |
| FAR EAST ASIA ENGINEERING LIMITED | Private company limited by shares | Live |
| ENACON LIMITED | Private company limited by shares | Dissolved |
| TAI KEE ENVIRONMENTAL RECYCLING COMPANY LIMITED | Private company limited by shares | Dissolved |
| KEE YAT ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| 3C ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| VIEWS MARINE ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| EVER YIELD ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| TIME MAX ENGINEERING LIMITED | Private company limited by shares | Live |
| JET POWER CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| YU GAI ENGINEERING LIMITED | Private company limited by shares | Live |
| TEAMLINK ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| GRAND LINKER ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| WELLING ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| CENTURY BASE ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| CCM ENTERPRISE LIMITED | Private company limited by shares | Live |