| Wan Shung Ming | 1765 | Civil | 1982-04-30 | SM 1 Consulting Engineers |
| Wan Yew Kong, Mark | 5418 | Civil | 2021-08-26 | Defence Science and Technology Agency |
| Wan Yong Kwong | 4644 | Civil | 2014-10-21 | E2000 Pte. Ltd. |
| Wang Chin Chong | 1396 | Electrical | 1979-12-08 | Ngee Cheng Electric Company (Private) Limited |
| Wang Cunzhe | 5687 | Electrical | 2024-08-23 | SBS Transit Rail Pte. Ltd. |
| Wang Fengtao | 5497 | Mechanical | 2023-01-26 | Beca Carter Hollings & Ferner (S.E.Asia) Pte Ltd |
| Wang Hee Weng | 3878 | Electrical | 2004-05-05 | HW Consultancy And Training |
| Wang Heng Sey | 3679 | Mechanical | 2001-11-20 | GMEP-K Consultants LLP |
| Wang Hui | 4544 | Civil | 2013-10-17 | Engineers 2002 Private Limited |
| Wang Kai | 5737 | Electrical | 2025-02-27 | Bescon Consulting Engineers Pte |
| Wang Mengyuan | 5681 | Civil | 2024-07-26 | PAL Consultancy Pte. Ltd. |
| Wang Mingda | 4830 | Civil | 2016-10-18 | MCC Engineering (S) Pte Ltd |
| Wang Peng | 5389 | Civil | 2021-02-25 | JYC Consultancy Pte Ltd |
| Wang Shenming | 5643 | Civil | 2024-05-23 | KTP Consultants Pte Ltd |
| Wang Shijun | 4579 | Mechanical | 2014-02-20 | - |
| Wang Shun | 4865 | Mechanical | 2017-03-23 | Microsoft Operations Pte Ltd |
| Wang Soon Meng | 5345 | Mechanical | 2020-10-15 | WSP Consultancy Pte. Ltd. |
| Wang Tsan | 3924 | Civil | 2004-09-21 | ABL Consultants Pte. Ltd. |
| Wang Wei | 4670 | Civil | 2015-03-19 | W&W Engineers Pte. Ltd. |
| Wang Xiaoning | 3981 | Civil | 2005-06-21 | Geosoft Pte. Ltd. |
| Wang Xuan | 5571 | Mechanical | 2023-07-27 | Beca Carter Hollings & Ferner (S.E.Asia) Pte Ltd |
| Wang Yan | 5208 | Civil | 2019-03-21 | Surbana Jurong Infrastructure Pte. Ltd. |
| Wang Yee Khai | 4273 | Civil | 2007-08-16 | E2000 Pte. Ltd. |
| Wang Yongjie | 4450 | Civil | 2012-06-21 | Geosoft Pte. Ltd. |
| Wang Yu | 5427 | Electrical | 2021-11-25 | Building and Construction Authority |
| Wee Boon Liang | 3361 | Civil | 1997-09-16 | Millenniums Consultants Pte. Ltd. |
| Wee Hian Wen | 2002 | Civil | 1983-11-29 | CPG Consultants Pte Ltd |
| Wee Hooi Leong | 5031 | Chemical | 2018-03-15 | Glaxo Wellcome Manufacturing Pte Ltd |
| Wee Kay Charn | 3269 | Civil | 1996-08-07 | EDP Consultants Pte. Ltd. |
| Wee Lin | 0601 | Electrical | 1973-02-21 | Engineer Wee Lin |