| Kin Tai Construction Engineering Limited | | Live |
| Loke Engineering Co., Limited | | Live |
| IoT Engineering Company Limited | | Live |
| ZhengMen Engineering Limited | | Live |
| HANG LICK ENGINEERING LIMITED | | Live |
| 2mm Engineering Company Limited | | Live |
| KAI KEI ELECTRICAL ENGINEERING CO, LIMITED | | Live |
| Deluxe Engineering Company Limited | | Live |
| San Kan Engineering Limited | | Live |
| SHENG HAI ENGINEERING LIMITED | | Live |
| Sheng Jiang Engineering Limited | | Live |
| CSS ENGINEERING CO., LIMITED | | Live |
| H&K ENGINEERING MANAGEMENT LIMITED | | Live |
| Xiangdali Air Conditioning Engineering Limited | | Live |
| Seemly Construction Engineering Limited | | Live |
| OC ENGINEERING LIMITED | | Live |
| KONG TSZ ENGINEERING LIMITED | | Live |
| Luffy Engineering Limited | | Live |
| POTEVIO ENGINEERS, LIMITED | | Live |
| Kong Force Engineering Limited | | Live |
| Corona Exhibition Engineering Company Limited | | Live |
| TENG TAI CONSTRUCTION ENGINEERING LIMITED | | Live |
| 1 Class Construction Engineering Limited | | Live |
| Lok Ko Design Engineering Company Limited | | Live |
| W.S. Engineering Limited | | Live |
| PRIDE ENGINEERING (HONG KONG) COMPANY LIMITED | | Live |
| Wah Shan Iron Engineering Company Limited | | Live |
| Thumbs Up Engineering Limited | | Live |
| INNOVATION AIR-CONDITION ENGINEERING LIMITED | | Live |
| JUN HUI ENGINEERING LIMITED | | Live |
| WAI KEUNG ENGINEERING TECHNOLOGY LIMITED | | Live |
| Eternal Engineering Consulting Limited | | Live |
| WIN TAT ENGINEERING (HONG KONG) LIMITED | | Live |
| Total Success Design Engineering Limited | | Live |
| Master Yin Engineering Company Limited | | Live |
| Ka Hing Construction & Engineering Limited | | Live |
| WEI SHENG ENGINEERING (HONG KONG) LIMITED | | Live |
| HOI WING AIR CONDITION ENGINEERING LIMITED | | Live |
| PAC Engineering Company Limited | | Live |
| APT Design and Engineering Limited | | Live |
| CHI MING ENGINEERING COMPANY LIMITED | | Live |
| WELL FORTRESS ENGINEERING LIMITED | | Live |
| Cheuk Yat Engineering Limited | | Live |
| Sham Long Construction Engineering Limited | | Live |
| Sky Wise (Asia) Engineering Company Limited | | Live |
| SOLVER ENGINEERING (HONG KONG) LIMITED | | Live |
| NGL ENGINEERING LIMITED | | Live |
| Ming Fat E&M Engineering Limited | | Live |
| Chung Hang Engineering Construction Limited | | Live |
| Elite Engineering and Construction Company Limited | | Live |
| WING ON MECHANICAL ENGINEERING LIMITED | | Live |
| TGD Engineering Limited | | Live |
| New Kisen Engineering Co., Limited | | Live |
| Alliances Engineering Limited | | Live |
| BRAVE INNOVATION ENGINEERING CO., LIMITED | | Live |
| WANG HING ENGINEERING LIMITED | | Live |
| GOODTEAM ENGINEERING LIMITED | | Live |
| Megagon Engineering Company Limited | | Live |
| Honghai Engineering Limited | | Live |
| ZHUO REN ENGINEERING LIMITED | | Live |
| Yingfong Engineering Co., Limited | | Live |
| FORE E. ENGINEERING & TECHNOLOGY LIMITED | | Live |
| Wah Yeung Waterproof Engineering Co., Limited | | Live |
| Tri-Part Engineering Limited | | Live |
| Tri Blessing Engineering Limited | | Live |
| WANG YUE E&M ENGINEERING LIMITED | | Live |
| OCEANWELL CONSTRUCTION ENGINEERING LIMITED | | Live |
| MEPM (Hong Kong) MEP Engineer Company Limited | | Live |
| Yiu Ming Construction & Engineering Company Limited | | Live |
| C & F MAINTENANCE ENGINEERING LIMITED | | Live |
| Dragon Cheng Construction Engineering Co., Limited | | Live |
| Sun Wing Swimming Pool Engineering Company Limited | | Live |
| Chi Jet Engineering Hong Kong Company Limited | | Live |
| EME ENGINEERING LIMITED | | Live |
| Keydiamond Engineering Co., Limited | | Live |
| Sirius Engineering Company Limited | | Live |
| ONWAY CONSTRUCTION ENGINEERING LIMITED | | Live |
| CHEUK POK ENGINEERING COMPANY LIMITED | | Live |
| JIANHONG CONSTRUCTION ENGINEERING LIMITED | | Live |
| Lawrence Engineering Co., Limited | | Live |
| Fenxon Engineering Limited | | Live |
| Ho Kwun Constructions Engineering Limited | | Live |
| JIN HUA ENGINEERING COMPANY LIMITED | | Live |
| MECO E&M ENGINEERING LIMITED | | Live |
| Qincheng Investment Engineering Limited | | Live |
| Pak Ko Mechanical Engineering Limited | | Live |
| Cheuk Fan Engineering Limited | | Live |
| ZY Kiln Engineering and Manufacturing Company Limited | | Live |
| Hadrian Construction Engineering Limited | | Live |
| HOSEN Engineering Limited | | Live |
| Yikor Engineering Co., Limited | | Live |
| KWAN NGAI ENGINEERING LIMITED | | Live |
| OK ENGINEERING CONSULTING SERVICE CO., LIMITED | | Live |
| EVERBEAM ENGINEERING LIMITED | | Live |
| KIN HOI ELECTRICAL ENGINEERING LIMITED | | Live |
| Raise Up Engineering Limited | | Live |
| HONGHAO ENGINEERING COMPANY LIMITED | | Live |
| Harmony Engineering & Construction Limited | | Live |
| CHUNG CHONG ENGINEERING LIMITED | | Live |
| First Art Engineering Limited | | Live |