| SHANGHAI TONGYONG ENGINE INT'L LIMITED | Private company limited by shares | Dissolved |
| NAN YI ENTERPRISES COMPANY LIMITED | Private company limited by shares | Live |
| BO KIN ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| SHANGHAI SHENWANGDA ENGINE TECHNOLOGY GROUP LIMITED | Private company limited by shares | Dissolved |
| SHANGHAI MINGHUI ENGINE TECHNOLOGY GROUP LIMITED | Private company limited by shares | Dissolved |
| TOP SUCCESS CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| Initial Engineering Company Limited | Private company limited by shares | Live |
| KAM FAI CONSTRUCTION ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| HAT PRECISION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| ENDEAVOR AGENCIES LIMITED | Private company limited by shares | Live |
| ENHANCE TEXTILES HK LIMITED | Private company limited by shares | Dissolved |
| JOINTHOPE ENTERPRISES LIMITED | Private company limited by shares | Live |
| FAT KEE ENGINEERING CO., LIMITED | Private company limited by shares | Dissolved |
| MAPLE ENGINEERING (HONG KONG) COMPANY LIMITED | Private company limited by shares | Live |
| MAX LUCK ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| JOY MAX ENTERPRISE LIMITED | Private company limited by shares | Live |
| FAST DRAGON ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| OTC ENGINEERING & CONSULTING LIMITED | Private company limited by shares | Dissolved |
| TELL WAY ENERGY GROUP LIMITED | Private company limited by shares | Live |
| CAPITAL CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| EASTFORD CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| L & C ELECTRICAL ENGINEERING LIMITED | Private company limited by shares | Live |
| DA YUN ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| DMS ENTERPRISES LIMITED | Private company limited by shares | Live |
| J.Z ENTERPRISES LIMITED | Private company limited by shares | Live |
| MARK HARVEST ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| KIN HING ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| ALLIED FAME ENGINEERING LIMITED | Private company limited by shares | Live |
| TALENT WAY ENGINEERING LIMITED | Private company limited by shares | Live |
| SUN TALENT ENGINEERING LIMITED | Private company limited by shares | Live |
| WING KONG CONSTRUCTION ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| HK SUN SOLAR ENERGY (SHANGHAI) GROUP LIMITED | Private company limited by shares | Dissolved |
| HK MEIDI SOLAR ENERGY TECHNOLOGICAL GROUP LIMITED | Private company limited by shares | Dissolved |
| BO SUN ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| NEW CHINA ENERGY CONSULTING LIMITED | Private company limited by shares | Live |
| GAIN OCEAN ENTERPRISES LIMITED | Private company limited by shares | Live |
| MST ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| GATHER FINE ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| ENERCOM TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| COOL ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| TARGET CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| UNI CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| EASTFIELD CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| TREND-SERVICES ENGINEERING LIMITED | Private company limited by shares | Live |
| SHUI FAT ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| HUA NAN ENERGY GROUP INVESTMENT HOLDING LIMITED | Private company limited by shares | Dissolved |
| KENNY ENVIRONMENT SERVICE LIMITED | Private company limited by shares | Live |
| Capital Growth Enterprises Limited | Private company limited by shares | Dissolved |
| CAPITAL ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| LEUNG YI TONG ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| Gary Au Engineering Company Limited | Private company limited by shares | Live |
| ENERSAVE LIMITED | Private company limited by shares | Live |
| Performance-Based Engineering Company Limited | Private company limited by shares | Dissolved |
| OCEAN PREMIUM ENGINEERING LIMITED | Private company limited by shares | Live |
| DRAGON FORTRESS ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| KONG ENTERPRISE LIMITED | Private company limited by shares | Live |
| BAOYU OFFSHORE SYSTEMS ENGINEERING CO., LIMITED | Private company limited by shares | Dissolved |
| SHANGHAI GUOXU.JINXING ELECTRIC ENGINE LIMITED | Private company limited by shares | Dissolved |
| GLORY UNITED ENVIRONMENTAL CLEANING CO., LIMITED | Private company limited by shares | Dissolved |
| GERMANY LONGXING BAOMA ENGINE INT'L LIMITED | Private company limited by shares | Dissolved |
| ABO ENGINEERING LIMITED | Private company limited by shares | Live |
| Golden State Environment Investment Corporation Limited | Private company limited by shares | Live |
| HONEST ENERGY INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| GATHER ENVIRONMENTAL HEALTH CONSULTANCY LIMITED | Private company limited by shares | Dissolved |
| HO KEI CONSTRUCTION & ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| HONG KONG TELFORD ENVIROTECH GROUP LIMITED | Private company limited by shares | Live |
| TARKAN ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| GERMANY VS CAR'S ENGINE AND COMPONENT MANUFACTURE CO. LIMITED | Private company limited by shares | Dissolved |
| STIG ENVIRONMENT & TECHNOLOGY LIMITED | Private company limited by shares | Live |
| GLOBAL TOP ENERGY LIMITED | Private company limited by shares | Dissolved |
| LICK ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| YAT YIN ENTERPRISES CO. LIMITED | Private company limited by shares | Dissolved |
| UNITED EXCEL ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| DRAGON TECHNOLOGY ENTERPRISES COMPANY LIMITED | Private company limited by shares | Live |
| SUPER ROCK ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| LUCKY TRADE ENTERPRISE COMPANY LIMITED | Private company limited by shares | Dissolved |
| SPACE RESEARCH ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| GLORY CLEANING ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| TIME LINK CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SILVER STAR ENGINEERING LIMITED | Private company limited by shares | Live |
| STAR ICON ENTERTAINMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| ENDURANCE INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| U-RIGHT Enterprises Limited | Private company limited by shares | Live |
| HK JINJUE SAVE ENERGY ENVIRONMENTAL PROTECTION TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| JIAN HUANG ENGINEERING PLASTIC LIMITED | Private company limited by shares | Dissolved |
| POREX GLOBAL FINANCIAL ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| GRAND ELITE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| TOP ENTERTAINMENT LIMITED | Private company limited by shares | Dissolved |
| GOLD DOOR ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| Hang Lee Scaffolding Engineering Limited | Private company limited by shares | Live |
| ENGLAND YARDON CHEMICAL (INTERNATIONAL) GROUP CO., LIMITED | Private company limited by shares | Live |
| ENGLOWAY ENTERPRISES LIMITED | Private company limited by shares | Live |
| CHINA ENVIRONMENTAL SOLUTIONS LIMITED | Private company limited by shares | Live |
| WISEHIRECAR ENTERPRISE LIMITED | Private company limited by shares | Live |
| I.D. ENGINEERING LIMITED | Private company limited by shares | Live |
| 42 ENTERPRISES HK LIMITED | Private company limited by shares | Live |
| ENVIRONMENT PROTECTION ENGINEERING (HONG KONG) LIMITED | Private company limited by shares | Live |
| B & W Enterprises Limited | Private company limited by shares | Live |
| WISE ENERGY LIMITED | Private company limited by shares | Dissolved |
| TOP GOAL ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |