| Chua Shibin Galvin | 4930 | Electrical | 2017-09-19 | Beca Carter Hollings & Ferner (S.E.Asia) Pte Ltd |
| Chua Soon Heng | 4520 | Electrical | 2013-06-13 | - |
| Chua Teck Chung Steven | 5126 | Chemical | 2018-07-19 | Globalfoundries Singapore Pte. Ltd. |
| Chua Teck Leng | 4412 | Civil | 2011-09-23 | LSW Consulting Engineers Pte. Ltd. |
| Chua Tik Ngwen | 1309 | Mechanical | 1977-11-17 | CMP Consultants Private Limited |
| Chua Tong Seng | 2784 | Civil | 1992-03-18 | Kiso-Jiban Singapore Pte Ltd |
| Chua Wee Koon | 4574 | Civil | 2014-01-16 | D Consultancy |
| Chua Wei Li Barnabas | 5692 | Mechanical | 2024-08-23 | Defence Science and Technology Agency |
| Chua Yao Zhen | 5866 | Mechanical | 2026-03-26 | Surbana Jurong Consultants Pte. Ltd. |
| Chua Yew Hin | 3180 | Civil | 1995-10-18 | C P Lim & Partners LLP |
| Chua Zhi Qiang, Bryan | 4965 | Electrical | 2017-10-23 | Bosons Consulting Group Pte. Ltd. |
| Chuah Sze Seng | 3510 | Civil | 1999-09-21 | Building and Construction Authority |
| Chuang Fern | 3890 | Civil | 2004-05-05 | CF Consultants |
| Chui Jian Wei | 5125 | Chemical | 2018-07-19 | Ministry of Manpower |
| Chum Zhi Xian | 5679 | Civil | 2024-07-26 | Thymn Pte. Ltd. |
| Chun Junyuan | 5520 | Electrical | 2023-03-23 | AECOM Singapore Pte. Ltd. |
| Chung Er Shia | 2711 | Civil | 1991-09-18 | Housing & Development Board |
| Chung Su Nyen | 4181 | Electrical | 2007-04-19 | Worley Pte. Limited |
| Chung Thau Hen | 3384 | Civil | 1998-04-21 | Land Transport Authority |
| Chung Vui Leong | 2536 | Civil | 1990-01-23 | JW Engineers |
| Claudia Clare Harris | 5306 | Civil | 2020-01-16 | Fong Consult Pte. Ltd. |
| Clement Wong Soon Ying | 5439 | Civil | 2022-01-27 | Sterling Engineers Pte. Ltd. |
| Colin Bruce Thoms | 2545 | Civil | 1990-03-21 | CoGri Asia Pacific Pte. Ltd. |
| Cong Zhengxia | 4384 | Civil | 2011-01-19 | Woh Hup (Private) Limited |
| Corinne Lim Bee Koon | 4951 | Civil | 2017-10-23 | Straits Construction Singapore Pte. Ltd. |
| Cui Qingmin | 5669 | Electrical | 2024-07-26 | SP PowerGrid Limited |
| Cui Zhe | 5063 | Civil | 2018-05-17 | KCL Consultants Pte. Ltd. |
| Dang Yang | 5086 | Civil | 2018-06-21 | Hawkins & Associates |
| Daniel Christopher Oliver Sanjay | 3743 | Civil | 2002-08-16 | Surbana Jurong Consultants Pte. Ltd. |
| Daniel Lukas Mulyawan Jap | 5227 | Civil | 2019-06-20 | Arup Singapore Private Limited |