| Chong Yit Wah | 3849 | Geotechnical Engineering | 2007-06-14 | GCS ENGINEERS PTE LTD |
| Chooi Tuck You | 5255 | Lift and Escalator Engineering | 2023-10-26 | OHWS Engineers Pte. Ltd. |
| Chow Weng Lee | 4139 | Geotechnical Engineering | 2008-07-17 | Ramboll Pte. Ltd. |
| Chua Hwee Peng | 5309 | Lift and Escalator Engineering | 2023-08-24 | RAC Engineering |
| Chua Hwee Peng | 5309 | Amusement Ride Engineering | 2025-01-23 | RAC Engineering |
| Chua Tong Seng | 2784 | Geotechnical Engineering | 2007-03-15 | Kiso-Jiban Singapore Pte Ltd |
| Chua Tong Seng | 2784 | Tunnelling Engineering | 2021-04-22 | Kiso-Jiban Singapore Pte Ltd |
| Chuah Sze Seng | 3510 | Geotechnical Engineering | 2007-07-19 | Building and Construction Authority |
| Cong Zhengxia | 4384 | Geotechnical Engineering | 2021-01-21 | Woh Hup (Private) Limited |
| Daniel Christopher Oliver Sanjay | 3743 | Geotechnical Engineering | 2011-10-20 | Surbana Jurong Consultants Pte. Ltd. |
| Deng Neng Qu | 4344 | Geotechnical Engineering | 2017-10-23 | Urbanergy Consultant Pte. Ltd. |
| Edward Lim Kang Huang | 4956 | Geotechnical Engineering | 2021-07-21 | AIS-Hill Pte. Ltd. |
| Eng Christopher John Ing Jieh | 5134 | Lift and Escalator Engineering | 2022-08-25 | CASY Engineering Consultancy Pte. Ltd. |
| Eng Christopher John Ing Jieh | 5134 | Amusement Ride Engineering | 2025-01-23 | CASY Engineering Consultancy Pte. Ltd. |
| Febrina Aryani | 5114 | Geotechnical Engineering | 2023-09-28 | AECOM Singapore Pte. Ltd. |
| Feng Shuhong | 5020 | Geotechnical Engineering | 2021-07-21 | Arup Singapore Private Limited |
| Foo Teik Yong | 3843 | Access Platform Engineering | 2017-05-22 | TUV SUD A-Reliance Pte. Ltd. |
| Foo Teik Yong | 3843 | Lift and Escalator Engineering | 2017-05-22 | TUV SUD A-Reliance Pte. Ltd. |
| Foong Keng Yuen Patrick | 2349 | Lift and Escalator Engineering | 2017-11-18 | Singapore Green Engineers Pte. Ltd. |
| Gan Chin Hwi | 3318 | Tunnelling Engineering | 2021-07-21 | T.Y.Lin International Pte. Ltd. |
| Gan Kong Cheong | 4653 | Access Platform Engineering | 2017-05-22 | GKC Elevator Services Pte. Ltd. |
| Gan Kong Cheong | 4653 | Lift and Escalator Engineering | 2017-05-22 | GKC Elevator Services Pte. Ltd. |
| Gan Shwu Jiuan | 4602 | Geotechnical Engineering | 2018-09-20 | AECOM Singapore Pte. Ltd. |
| Ghazali Bin Embi | 4564 | Lift and Escalator Engineering | 2018-04-11 | Emaan Inspection Pte Ltd |
| Ghazali Bin Embi | 4564 | Pressure Vessel Engineering | 2018-12-14 | Emaan Inspection Pte Ltd |
| Goh Kek Poh | 5042 | Geotechnical Engineering | 2024-06-27 | - |
| Goh Kok Hun | 4059 | Geotechnical Engineering | 2015-02-13 | Land Transport Authority |
| Goh Siew Huat Thomas | 5434 | Lift and Escalator Engineering | 2021-11-26 | CASY Engineering Consultancy Pte. Ltd. |
| Gottumukkala Venkata Ramalinga Raju | 3599 | Geotechnical Engineering | 2007-04-19 | Acela Singapore Pte. Ltd. |
| Gunadi Wihardjo | 5230 | Lift and Escalator Engineering | 2023-01-26 | GW Professional Engineering Services |