| BM Energy Limited | Private company limited by shares | Live |
| ENERGY SQUARED ASIA LIMITED | Private company limited by shares | Live |
| FENGDA ENVIRO-INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| ENDEAVOR PRODUCTS COMPANY LIMITED | Private company limited by shares | Dissolved |
| GENERAL ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| MENWIN ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| LUCKWAY ENTERPRISE LIMITED | Private company limited by shares | Live |
| ENTREPRENEUR INTERNATIONAL CORPORATION LIMITED | Private company limited by shares | Live |
| Greenrich Enviropro International Limited | Private company limited by shares | Live |
| FLYING DRAGON ENTERPRISES GROUP LIMITED | Private company limited by shares | Dissolved |
| GEAR FORCE ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| New Energy Asia Limited | Private company limited by shares | Dissolved |
| TOP STAR CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| P & L ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| V S ENTERPRISE LIMITED | Private company limited by shares | Live |
| Wytron Engineering Limited | Private company limited by shares | Dissolved |
| L & W ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| YUK KWAN ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| Startek Enterprises Limited | Private company limited by shares | Dissolved |
| FIRST RENEWABLE ENERGY GROUP LIMITED | Private company limited by shares | Live |
| HARLEY ENTERPRISE LIMITED | Private company limited by shares | Live |
| BEST SUCCESS ENGINEERING LIMITED | Private company limited by shares | Live |
| MAXI ENGINEERING LIMITED | Private company limited by shares | Live |
| WANG TAI ENGINEERING LIMITED | Private company limited by shares | Live |
| ENGILD TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| HK HAIER NEW ENERGY LIMITED | Private company limited by shares | Dissolved |
| NORTH SEA ENERGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| SMARTVIEW ENGINEERING (HONG KONG) LIMITED | Private company limited by shares | Live |
| AXISMARK ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| ENERGY CREATION LIMITED | Private company limited by shares | Dissolved |
| RACINE MILLION GAIN ENGINEERING LIMITED | Private company limited by shares | Live |
| FULL OCEAN ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| Neocean Energy Limited | Private company limited by shares | Dissolved |
| WALTER ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| ARMAYA TECHNOLOGY ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| LEXFORD ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| LEE CHI ENGINEERING (ASIA) COMPANY LIMITED | Private company limited by shares | Live |
| HOLDING ENERGY PETROLEUM ENGINEERING LIMITED | Private company limited by shares | Live |
| NEW ENERGY INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| GLENVIEW ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| YUE TAT ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| ENVIRONMENTAL FRIENDLY SCIENTIFIC COMPANY LIMITED | Private company limited by shares | Dissolved |
| MING HING ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| FOOK TSUEN ENGINEERING LIMITED | Private company limited by shares | Live |
| BEST DIGITAL ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| Mocha Entertainment Company Limited | Private company limited by shares | Dissolved |
| ENERGY PLUS LIMITED | Private company limited by shares | Dissolved |
| ASIA ENERGY INVESTMENT LIMITED | Private company limited by shares | Live |
| FAMILY FUN ENVIRONMENTAL PROTECTION & HEALTH LIMITED | Private company limited by shares | Live |
| BOCK CHUNG ENGINEERING CO., LIMITED | Private company limited by shares | Dissolved |
| MING FAI CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| OCEAN ENGINEERING TECHNOLOGY LIMITED | Private company limited by shares | Live |
| CHAMP CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| STAGE CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| CROWN ENGINEERING LIMITED | Private company limited by shares | Live |
| GOLD LUCK ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| MAX ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| CHINA MAX ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| KONG ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| HAPPY ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| STAND ENGINEERING LIMITED | Private company limited by shares | Live |
| SHANGHAI OULONG ENGINE GROUP LIMITED | Private company limited by shares | Dissolved |
| WELLFAR ENGINE PARTS CO., LIMITED | Private company limited by shares | Dissolved |
| EVER BOND CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| SNOW BALL ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| KOZIA ENGINEERING LIMITED | Private company limited by shares | Live |
| AZIO ENTERTAINMENTS LIMITED | Private company limited by shares | Live |
| ENRICH INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| NEW TECH ENGINEERING LIMITED | Private company limited by shares | Live |
| JET ENGINEERING (HONG KONG) CO., LIMITED | Private company limited by shares | Live |
| BIOMERIT ENERGY (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| OVERSEER ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| K & W ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| POLARIS CLEAN ENERGY LIMITED | Private company limited by shares | Dissolved |
| SANHE GREEN ENERGY HONG KONG LIMITED | Private company limited by shares | Dissolved |
| ENFIELD LIMITED | Private company limited by shares | Live |
| NJ ENGINEERING LIMITED | Private company limited by shares | Live |
| ENSSOM LIMITED | Private company limited by shares | Dissolved |
| LDI ENTERPRISE LIMITED | Private company limited by shares | Live |
| TIN WO C. ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| SUNTEC ENGINEERING & MAINTENANCE LIMITED | Private company limited by shares | Dissolved |
| J & C ENTERPRISE LIMITED | Private company limited by shares | Live |
| Association of Hong Kong Environmental Engineering Limited | Private company limited by shares | Live |
| China Energy Oil Investment Limited | Private company limited by shares | Live |
| Powermax Engineering Limited | Private company limited by shares | Live |
| FRIENDLY CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| MIDLAND ENERGY HK LIMITED | Private company limited by shares | Dissolved |
| USA HAOHAN ENGINE LIMITED | Private company limited by shares | Dissolved |
| ENVIRONMENTAL DECONTAMINATION (HK) LIMITED | Private company limited by shares | Live |
| CENTRAL ENERGY LIMITED | Private company limited by shares | Live |
| Acqua Engineering Limited | Private company limited by shares | Dissolved |
| ENGWELL EDUCATION CENTER LIMITED | Private company limited by shares | Dissolved |
| PACIFIC CENTURY ENTERPRISES LIMITED | Private company limited by shares | Live |
| GRAND CAPITAL ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| PAK LONG ENGINEERING SCAFFOLDING COMPANY LIMITED | Private company limited by shares | Live |
| FAR ENERGY LIMITED | Private company limited by shares | Dissolved |
| CHI LEE ENGINEERING LIMITED | Private company limited by shares | Live |
| WAH YING ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| HON TUNG ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| MONEY ENGINE SECURITIES LIMITED | Private company limited by shares | Dissolved |