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| FOREST ADVANCED ENGINEERING LIMITED | | Live |
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| SPACES ENGINEERING LIMITED | | Live |
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| BIG FOR GREEN ENGINEERING LIMITED | | Live |
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| WING WAH METAL ENGINEERING LIMITED | | Live |
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| KAI CHONG ENGINEERING HK LIMITED | | Live |
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| TOP ONE ENGINEERING (HONG KONG) COMPANY LIMITED | | Live |
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| LONG ENGINEERING MANAGEMENT LIMITED | | Live |
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| Premier Engineering Company Limited | | Live |
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| Harmony Electrical and Mechanical Engineering Limited | | Live |
| TCH Engineering Limited | | Live |
| IBW Engineering Limited | | Live |
| Yingkai Waterproof Engineering Limited | | Live |
| HOI YU ECO-FRIENDLY TRANSPORTATION ENGINEERING LIMITED | | Live |
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| FAI YUE ENGINEERING LIMITED | | Live |
| RNB Engineering (Asia) Limited | | Live |
| Royal Engineering (Hong Kong) Company Limited | | Live |
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| GA HO ENGINEERING COMPANY LIMITED | | Live |
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| CHUNG YUAN ELECTRICAL ENGINEERING LIMITED | | Live |
| HAN HOI ENGINEERING LIMITED | | Live |
| JUNGUANG DESIGN ENGINEERING LIMITED | | Live |
| Seong Muk Construction Engineering Limited | | Live |
| Achi Engineering & Consulting Limited | | Live |
| CTK Engineering & Construction Co., Limited | | Live |
| Tian'an Engineering Co., Limited | | Live |
| WONG PAK ENGINEERING LIMITED | | Live |
| Kei Chiu Engineering Company Limited | | Live |
| Sunrise Engineering and Consultation Limited | | Live |
| Honest Engineering Limited | | Live |
| Yat Po Engineering Limited | | Live |
| KWAI LAM ENGINEERING COMPANY LIMITED | | Live |
| Wan Ton Technology Engineering Limited | | Live |
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| YIU FAI ELECTRICAL ENGINEERING LIMITED | | Live |
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| Global Engineering Co. Limited | | Live |
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| Shi Xian Engineering Limited | | Live |
| Sun Shek Engineering Limited | | Live |
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| Five and Five Engineering Limited | | Live |
| BEST CHOICE ENGINEERING CO, LIMITED | | Live |