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| Hu Xiangbin | 4281 | Civil | 2008-01-17 | Core Tech Consultants Pte. Ltd. |
| Hu Yangfu | 4329 | Civil | 2009-09-17 | Wayda Consultants |
| Huang Gejia | 4871 | Civil | 2017-04-20 | Land Transport Authority |
| Huang Huguang | 5815 | Mechanical | 2025-10-23 | Chevalier Singapore Holdings Pte. Ltd. |
| Huang Shijie | 5797 | Civil | 2025-09-05 | SH Ng Consultants Pte. Ltd. |
| Huang Shijun | 3954 | Mechanical | 2005-03-15 | CPG Consultants Pte Ltd |
| Huang Wenjin | 5631 | Mechanical | 2024-04-25 | Obayashi Singapore Pte Ltd |
| Huang Yizhe | 5793 | Mechanical | 2025-09-05 | Aurecon Singapore (Pte.) Ltd. |
| Huang Yongqing | 5090 | Civil | 2018-06-21 | Building and Construction Authority |
| Huang Yu | 4734 | Civil | 2015-10-14 | Ramboll Pte. Ltd. |
| Huang Zhanfei | 5359 | Civil | 2020-11-19 | Land Transport Authority |
| Huang Zhao Ren Adrian Joseph | 3287 | Civil | 1996-10-02 | JHA Partnership |
| Hue Hoe Siong | 5352 | Electrical | 2020-10-15 | Gims & Associates Pte. Ltd. |
| Hwang Teng Sun Louis | 1998 | Civil | 1983-11-29 | Engineers 9000 Pte Ltd |
| Ian Teh Yi Tian | 4756 | Mechanical | 2016-02-16 | Future Inspection Services |
| Ilankeeran Kanthavel | 5683 | Civil | 2024-08-23 | Mott MacDonald Singapore Pte Limited |
| Indran Ganthiyan | 5645 | Civil | 2024-06-27 | Alliance Consulting Engineers Pte. Ltd. |
| Indrayogan Yogarajah | 3353 | Civil | 1997-09-16 | Noma Consulting Pte. Ltd. |
| Irudayasamy Kanagaraj | 4499 | Civil | 2013-01-23 | KJ Consultants |
| Isaac Eng Lye Huang | 5762 | Civil | 2025-04-17 | HYK Builders Pte Ltd |
| Iv Socheat | 4779 | Civil | 2016-06-16 | Meinhardt (Singapore) Pte Ltd |
| Ivan K Edison | 4822 | Civil | 2016-10-18 | KTP Consultants Pte Ltd |
| Ivor Tan Kian Joo | 5483 | Civil | 2022-09-29 | MDIC ENGINEERS PTE. LTD. |
| Jack Puang Chok Hua | 4783 | Civil | 2016-06-16 | KTC Civil Engineering & Construction Pte Ltd |
| Jackie Sim Hui Hui | 4740 | Civil | 2015-12-04 | YWL Engineering Pte Ltd |
| Jahangeer s/o K Abdul Halim | 5092 | Mechanical | 2018-06-21 | Energy Conservation Specialists Singapore Pte. Ltd. |
| James Frederick Benson | 4266 | Civil | 2007-07-19 | Lombardi |
| James Lim Wan Sin | 1822 | Mechanical | 1982-08-17 | Tyelin & Associates Consulting Engineers |
| James Thomas Stabler | 4919 | Civil | 2017-08-22 | Geoconsult Asia Singapore Pte Ltd |