| Wong Ngai | 3831 | Civil | 2003-07-15 | THES Pte. Ltd. |
| Wong Peng Kong Daniel | 4608 | Civil | 2014-06-23 | Land Transport Authority |
| Wong Peter | 2867 | Civil | 1992-09-16 | - |
| Wong Puck Khun Jimmy | 0183 | Civil | 1971-08-20 | - |
| Wong Pui Fun | 3108 | Civil | 1995-03-15 | CPG Consultants Pte Ltd |
| Wong Say Foong | 5655 | Civil | 2024-06-27 | TERS Consulting Pte. Ltd. |
| Wong Seng | 2999 | Civil | 1994-03-16 | TW-Asia Consultants Pte. Ltd. |
| Wong Seng Choon | 1728 | Mechanical | 1982-03-05 | Wong Seng Choon Engineering Consultants |
| Wong Shek Chee | 2383 | Electrical | 1988-05-18 | Wiseplan Services Pte Ltd |
| Wong Siew Heng | 4219 | Mechanical | 2007-05-17 | Building and Construction Authority |
| Wong Siew Moh | 4805 | Civil | 2016-09-22 | Hock Lian Seng Infrastructure Pte. Ltd. |
| Wong Siik Khai | 1397 | Electrical | 1979-12-08 | - |
| Wong Siu Kin Keith | 3929 | Civil | 2004-09-21 | Bosons Consulting Group Pte. Ltd. |
| Wong Soon Chyang Dennis | 4039 | Electrical | 2006-05-16 | YHW LLP |
| Wong Sun Soon | 4034 | Mechanical | 2006-05-16 | Surbana Jurong Infrastructure Pte. Ltd. |
| Wong Swee Khian | 3281 | Civil | 1996-10-02 | Housing & Development Board |
| Wong Swee Sheng | 4027 | Civil | 2006-04-18 | Building and Construction Authority |
| Wong Sy Ming | 5372 | Electrical | 2021-01-21 | Google Asia Pacific Pte Ltd |
| Wong Tack Chow | 3769 | Electrical | 2002-10-03 | Progressive Engineering & Management |
| Wong Tat Keung | 3650 | Civil | 2001-08-21 | WSP Consultancy Pte. Ltd. |
| Wong Teck Hong | 4813 | Civil | 2016-09-22 | Meinhardt (Singapore) Pte Ltd |
| Wong Teck Jee | 4122 | Civil | 2007-02-23 | Surbana Jurong Consultants Pte. Ltd. |
| Wong Teck Loon | 5211 | Civil | 2019-04-18 | T.L.Wong Consultants |
| Wong Thor Choem | 3953 | Mechanical | 2005-03-15 | Delta Crest Pte Ltd |
| Wong Toon Suan | 1833 | Electrical | 1982-09-14 | Oneblue Advisory LLP |
| Wong Wai Kit | 4421 | Civil | 2011-10-20 | Amazon Web Services |
| Wong Wai Yin | 2037 | Civil | 1984-02-28 | Ace-DIT Consultants |
| Wong Wang Chi | 2664 | Civil | 1991-04-17 | Engineer 93 |
| Wong Wei Qi Vicki | 5464 | Civil | 2022-06-23 | Building and Construction Authority |
| Wong Wing Choi | 2731 | Civil | 1991-11-20 | - |