| Gitel Engineering Limited | Private company limited by shares | Live |
| WONG KEE ENGINEERING LIMITED | Private company limited by shares | Live |
| Kin Kam Engineering Limited | Private company limited by shares | Live |
| Fu Ho Engineering Limited | Private company limited by shares | Live |
| WONG KAM KEE ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| SMART VICTORY ENGINEERING LIMITED | Private company limited by shares | Live |
| SUM MARINE ENGINEERING (HONG KONG) LIMITED | Private company limited by shares | Live |
| YAU WO ENGINEERING (HONG KONG) LIMITED | Private company limited by shares | Live |
| TT ENGINEERING LIMITED | Private company limited by shares | Live |
| T&J Quality and Engineering Limited | Private company limited by shares | Live |
| F&E Construction and Engineering Limited | Private company limited by shares | Live |
| JUN FAI Construction & Engineering Company Limited | Private company limited by shares | Live |
| SAI YAT ENGINEERING LIMITED | Private company limited by shares | Live |
| Giant Engine Investment Limited | Private company limited by shares | Live |
| Rising Construction Engineering Limited | Private company limited by shares | Live |
| DAI DONG ELECTRICAL ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| Victory Engineering Company Limited | Private company limited by shares | Live |
| New Wai Lik Engineering Company Limited | Private company limited by shares | Live |
| Wolamatum Engineering Company Limited | Private company limited by shares | Live |
| Pricom E&M Engineering Limited | Private company limited by shares | Live |
| Oil & Gas Engineering Supply Limited | Private company limited by shares | Live |
| POWER WORK ENGINEERING LIMITED | Private company limited by shares | Live |
| WIDEA BUSINESS ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| WELL TEAM CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| Sticky Engineering Company Limited | Private company limited by shares | Live |
| SUNSHINE POWER ENGINEERING LIMITED | Private company limited by shares | Live |
| SURPLUS SUCCESS ENGINEERING LIMITED | Private company limited by shares | Live |
| AGS Engineer Limited | Private company limited by shares | Live |
| LAK WAH ENGINEERING & CONSTRUCTION LIMITED | Private company limited by shares | Dissolved |
| OCEAN DEVELOP ENGINEERING LIMITED | Private company limited by shares | Live |
| DRAGON BEST ENGINEERING LIMITED | Private company limited by shares | Live |
| KAM TUNG ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| J3 ENGINEERING LIMITED | Private company limited by shares | Live |
| SEAMAN DIESEL ENGINE TECHNOLOGY SERVICE LIMITED | Private company limited by shares | Live |
| Man Po Engineering Consultancy Co., Limited | Private company limited by shares | Live |
| HUATAI MARINE ENGINEERING LIMITED | Private company limited by shares | Live |
| Crypto Engineering Limited | Private company limited by shares | Live |
| WS Engineering HK Company Limited | Private company limited by shares | Live |
| HOT SHOT TOOLING & ENGINEERING LIMITED | Private company limited by shares | Live |
| Sinowater Power Engineering Limited | Private company limited by shares | Live |
| YUNG LOONG ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| SAN HEI KEE MECHANICAL ENGINEERING LIMITED | Private company limited by shares | Live |
| FASHION ELECTRICAL ENGINEERING LIMITED | Private company limited by shares | Live |
| Long River Engineering Co. Limited | Private company limited by shares | Live |
| JNX Precision Engineering Limited | Private company limited by shares | Live |
| MAN POWER ENGINEERING LIMITED | Private company limited by shares | Live |
| Ying Hoi Engineering Limited | Private company limited by shares | Live |
| B&K ENGINEERING LIMITED | Private company limited by shares | Live |
| SHENG KAI ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| Millennium Advantage Engineering Limited | Private company limited by shares | Live |
| ZANOK ENGINEERING LIMITED | Private company limited by shares | Live |
| CREATIVE KEY CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| KINME ENGINEERING LIMITED | Private company limited by shares | Live |
| WELLFAR ENGINE PARTS CO., LIMITED | Private company limited by shares | Live |
| CHASE TOP CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| DOC ENGINEERING LIMITED | Private company limited by shares | Live |
| Wealthy Engineering Group Limited | Private company limited by shares | Live |
| ALINE CONSTRUCTION & ENGINEERING LIMITED | Private company limited by shares | Live |
| PAK LEE E&M ENGINEERING LIMITED | Private company limited by shares | Live |
| Asia Design & Engineering Company Limited | Private company limited by shares | Live |
| Kam Ming Construction Engineering Co., Limited | Private company limited by shares | Live |
| SUN MING (UNITED) ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| Kam Lok Engineering Co., Limited | Private company limited by shares | Live |
| Shielder Engineering Limited | Private company limited by shares | Live |
| Smart Max Construction & Engineering Co., Limited | Private company limited by shares | Live |
| GRAND NGAI ENGINEERING LIMITED | Private company limited by shares | Live |
| BOSTEK ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| All Together Construction Engineering Limited | Private company limited by shares | Live |
| Eusino Trade And Engineering UK Limited | Private company limited by shares | Live |
| Wa Wong Engineering Limited | Private company limited by shares | Live |
| Ever Construction Engineering Limited | Private company limited by shares | Live |
| Tat Wing Construction Engineering Co., Limited | Private company limited by shares | Live |
| Tim Mark Engineering Limited | Private company limited by shares | Live |
| 3 S&D Engineering Company Limited | Private company limited by shares | Live |
| HO YU ENGINEERING LIMITED | Private company limited by shares | Live |
| SEN YUE ENGINEERING LIMITED | Private company limited by shares | Live |
| Kim Man Engineering Company Limited | Private company limited by shares | Live |
| HK XINDA ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| Cheuk Yuk Engineering Company Limited | Private company limited by shares | Live |
| SUCCESS (WEALTHY) ENGINEERING LIMITED | Private company limited by shares | Live |
| LUNG YUEN ENGINEERING LIMITED | Private company limited by shares | Live |
| SIN ON ELECTRICAL ENGINEERING LIMITED | Private company limited by shares | Live |
| FAIR GLORY ENGINEERING LIMITED | Private company limited by shares | Live |
| NEW DRAGON DESIGN ENGINEERING LIMITED | Private company limited by shares | Live |
| SOUTHBRIDGE ENGINEERING GROUP LIMITED | Private company limited by shares | Live |
| KAI FAI ENGINEERING LIMITED | Private company limited by shares | Live |
| SUM FAT ENGINEERING LIMITED | Private company limited by shares | Live |
| Lee Lok Design Engineering Limited | Private company limited by shares | Live |
| KAM MING ENGINEERING LIMITED | Private company limited by shares | Live |
| YIN HAI ENGINEERING LIMITED | Private company limited by shares | Live |
| P & A ENGINEERING HONG KONG LIMITED | Private company limited by shares | Live |
| YIELD UNITED ENGINEERING LIMITED | Private company limited by shares | Live |
| HANSEN ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| Xin Tat Engineering (Hong Kong) Limited | Private company limited by shares | Live |
| Po Man Engineering Limited | Private company limited by shares | Live |
| Hong Kong Good Engine Industry Co., Limited | Private company limited by shares | Live |
| He Yuen Kee E&M Engineering Limited | Private company limited by shares | Live |
| HK ZHENXING ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| LZF ENGINEERING & MANAGEMENT COMPANY LIMITED | Private company limited by shares | Live |
| LICO ENGINEERING LIMITED | Private company limited by shares | Live |