| Yu On Engineering Company Limited | Private company limited by shares | Live |
| DBM Engineering Company Limited | Private company limited by shares | Live |
| PO WING ENGINEERING (HONG KONG) LIMITED | Private company limited by shares | Live |
| SPIRAL ENGINEERING LIMITED | Private company limited by shares | Live |
| GREEN ENVIRONMENTAL SUPPLIES CORPORATION LIMITED | Private company limited by shares | Live |
| GENERAL ENGINEERING LIMITED | Private company limited by shares | Live |
| TOPS ENGINEERING LIMITED | Private company limited by shares | Live |
| Chuen Tat Construction Engineering Limited | Private company limited by shares | Live |
| EECO ENERGY SYSTEM LIMITED | Private company limited by shares | Live |
| ENVUS C&D HK LIMITED | Private company limited by shares | Live |
| HK ZHENXING CONSTRUCTION & ENGINEERING LIMITED | Private company limited by shares | Live |
| HUI XIN TECHNOLOGY ENGINEERING LIMITED | Private company limited by shares | Live |
| WAI LUNG SCAFFOLDING ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| OCEAN GEM ENTERPRISES LIMITED | Private company limited by shares | Live |
| Jun Yang Energy Investments Limited | Private company limited by shares | Live |
| ENVEA TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Leader Design & Engineering Limited | Private company limited by shares | Live |
| SM ENTERPRISE LIMITED | Private company limited by shares | Live |
| SANYANG ENGINE TECHNOLOGY GROUP LIMITED | Private company limited by shares | Live |
| SUCCESS LINK ENGINEERING LIMITED | Private company limited by shares | Live |
| CHARM DRAGON ENTERPRISES LIMITED | Private company limited by shares | Live |
| CREATIVE CANASIA ENTERPRISES CORP. LIMITED | Private company limited by shares | Live |
| GOLD LUCK ENTERPRISES LIMITED | Private company limited by shares | Live |
| NGAI LIK SCAFFOLDING ENGINEERING LIMITED | Private company limited by shares | Live |
| YING JUN ENGINEERING LIMITED | Private company limited by shares | Live |
| SHENZHEN BLUESKY ENTERPRISES LIMITED | Private company limited by shares | Live |
| ENGAGEMAN LIMITED | Private company limited by shares | Live |
| TONGDAO ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| Good Friend Air-Condition Engineering Service Limited | Private company limited by shares | Live |
| Soda Enterprise Limited | Private company limited by shares | Live |
| NEW TECHNOLOGY ENVIRONMENTAL PROTECTION REMAKE LIMITED | Private company limited by shares | Live |
| Hongkong Enjoy Puzzles Co., Limited | Private company limited by shares | Live |
| HANG TAT LEE ENGINEERING LIMITED | Private company limited by shares | Live |
| ENGLAND WOODPECKER (HONGKONG) INTERNATIONAL TRAPPINGS CO., LIMITED | Private company limited by shares | Live |
| Wising Engineering Company Limited | Private company limited by shares | Live |
| Enjoystudy, Limited | Private company limited by shares | Live |
| DigiSky Entertainment Co., Limited | Private company limited by shares | Live Commenced dormancy on 18-Mar-2016 |
| EWORLD ENJOY LIMITED | Private company limited by shares | Live |
| NAM ENERGY LIMITED | Private company limited by shares | Dissolved |
| Asia Pacific Energy Group Limited | Private company limited by shares | Live |
| ENERGEIA LIFE LIMITED | Private company limited by shares | Live |
| YINGTEX ENGINEERING LIMITED | Private company limited by shares | Live |
| CANDY ENGINEERING HK LIMITED | Private company limited by shares | Live |
| CITRON ENERGY INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| PN D&D ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| Ming Hei Engineering Limited | Private company limited by shares | Live |
| ECO ENCLAVE LIMITED | Private company limited by shares | Live |
| MIP Maintenance Engineering Company Limited | Private company limited by shares | Live |
| WING JIN ELECTRICAL ENGINEERING LIMITED | Private company limited by shares | Live |
| W&S ENGINEERING LIMITED | Private company limited by shares | Live |
| POTEX ENGINEERING LIMITED | Private company limited by shares | Live |
| PLUS ENGINEERING LIMITED | Private company limited by shares | Live |
| HOI SHAN ENVIRONMENT LIMITED | Private company limited by shares | Dissolved |
| KIN KEI CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| TUNG FOOK ENGINEERING LIMITED | Private company limited by shares | Live |
| KSS ENTERPRISE CO. LIMITED | Private company limited by shares | Live |
| DEV ENERGY LIMITED | Private company limited by shares | Live |
| PRODUCE ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| INWAY ENTERPRISES CO., LIMITED | Private company limited by shares | Live |
| CHINA UP ENGINEERING LIMITED | Private company limited by shares | Live |
| EAST FAME ENGINEERING LIMITED | Private company limited by shares | Live |
| ABLE JOY ENGINEERING LIMITED | Private company limited by shares | Live |
| SURE POWER ENGINEERING LIMITED | Private company limited by shares | Live Ceased dormancy on 08-Oct-2015 |
| WISE WINNER ENGINEERING LIMITED | Private company limited by shares | Live |
| STAR POWER MOTOR ENGINEERING LIMITED | Private company limited by shares | Live |
| KAI SI ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| TOPHILL ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| OILTEK ENGINEERING LIMITED | Private company limited by shares | Live |
| RJ ENTERPRISE LIMITED | Private company limited by shares | Live |
| JIAN SHENG ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| JETT BAO TECHNOLOGY ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| BOLANG GARDEN ART ENGEERING CO., LIMITED | Private company limited by shares | Dissolved |
| HEROIC ELEMENT ENTERPRISE LIMITED | Private company limited by shares | Live |
| ENERGY LINES LIMITED | Private company limited by shares | Live |
| NAV ENTERPRISES LIMITED | Private company limited by shares | Live |
| BEAUTY VISION HOP WAN KO ENVIRONMENTAL PROTECTION LIMITED | Private company limited by shares | Dissolved |
| ARTEX NEW ENERGY LIMITED | Private company limited by shares | Live |
| LYK Energy Limited | Private company limited by shares | Live |
| WAI KONG ENGINEERING LIMITED | Private company limited by shares | Live |
| San Campora Environmental Inv. Group Limited | Private company limited by shares | Live |
| CROWN NICE ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| LRD VIEW ENTERTAINMENT LIMITED | Private company limited by shares | Live |
| MAODA DIESEL ENGINE SPARE PARTS CO., LIMITED | Private company limited by shares | Live |
| CHEUK KEE ENGINEERING LIMITED | Private company limited by shares | Live |
| WANG FU ENGINEERING (ASIA) LIMITED | Private company limited by shares | Live |
| PLETHORA ENTERPRISES LIMITED | Private company limited by shares | Live |
| DIGITAL LINK ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| H2O & AU ENVIRONMENTAL RECYCLING COMPANY LIMITED | Private company limited by shares | Live |
| Enwang Hong Kong Co., Limited | Private company limited by shares | Live |
| ASCEND OIL AND GAS ENGINEERING CO. LIMITED | Private company limited by shares | Live |
| NICE ENGINEERING HK LIMITED | Private company limited by shares | Live |
| EVER TOP CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| JOY TREASURE ENGINEERING LIMITED | Private company limited by shares | Live |
| HARBOUR RICH CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| WAY ELITE ENGINEERING LIMITED | Private company limited by shares | Live |
| ZHLM ELECTRIC POWER ENGINEERING LIMITED | Private company limited by shares | Live |
| JUN WONG ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| HK WUZHONG RENEWABLE RESOURCES ENVIRONMENTAL PROTECTION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Ocean Park Enterprise Limited | Private company limited by shares | Live |
| SPIGOT POWER ENGINEERING LIMITED | Private company limited by shares | Live |