| Teo Yann | 3046 | Mechanical | 1994-07-20 | Squire Mech Private Limited |
| Teo Yen Pai | 4250 | Civil | 2007-07-19 | Surbana Jurong Consultants Pte. Ltd. |
| Teo Yong Pheng | 2339 | Civil | 1988-01-20 | Teo N Zhang |
| Teoh Bak Koon | 4164 | Civil | 2007-03-15 | Nanyang Technological University |
| Teoh Eng Giap | 3183 | Civil | 1995-10-18 | The Engineers Collaborative LLP |
| Teoh Eng Sin | 3247 | Civil | 1996-07-03 | Mott MacDonald Singapore Pte Limited |
| Teoh Hock Guan | 3341 | Civil | 1997-08-19 | M-Team Pte. Ltd. |
| Teoh How Meng | 5163 | Civil | 2018-10-18 | Building and Construction Authority |
| Teoh Kian Sian Edwin | 4680 | Mechanical | 2015-05-19 | ET & Associates Consulting Engineers |
| Teoh Kok Hean | 3735 | Civil | 2002-07-10 | CMP Consultants Private Limited |
| Teoh Theam Hooi | 5175 | Civil | 2018-10-18 | AECOM Singapore Pte. Ltd. |
| Teow Seng Huat | 4229 | Mechanical | 2007-06-14 | Koyo Engineering (S.E. Asia) Pte. Ltd. |
| Ter Jun Wei | 5880 | Electrical | 2026-04-23 | SP Group |
| Terence Tan Kim Bock | 4504 | Mechanical | 2013-03-21 | - |
| Teresa Anne Yeo Kai Leng | 4800 | Electrical | 2016-08-18 | Defence Science and Technology Agency |
| Tew Beng Wah | 4507 | Civil | 2013-04-18 | Noma Consulting Pte. Ltd. |
| Tew Li Keow | 3558 | Civil | 2000-06-20 | - |
| Tew Pee Soon | 3259 | Mechanical | 1996-08-07 | Fortame International Pte Ltd |
| Tew Tjin Hong Moses | 5500 | Civil | 2023-01-26 | Housing & Development Board |
| Tey Dah Wei | 4641 | Civil | 2014-10-21 | Housing & Development Board |
| Tey Kok Liang | 4307 | Civil | 2009-04-16 | T.Y.Lin International Pte. Ltd. |
| Tey Lian Hui Benjamin | 3815 | Mechanical | 2003-06-24 | - |
| Tham Chai Lock | 3539 | Civil | 2000-05-16 | Tham Engineering Consultants |
| Tham Kin Choong | 5923 | Civil | 2026-06-25 | Defi Civil Engineers |
| Tham Kok Keong | 3145 | Civil | 1995-06-21 | R-TEC Pte. Ltd. |
| Tham Kok Leong | 5514 | Civil | 2023-01-23 | BK Consulting Engineers Pte. Ltd. |
| Tham Kwok Leong | 1814 | Civil | 1982-08-17 | The Engineers Collaborative LLP |
| Tham Poh Kuan | 1976 | Civil | 1983-08-30 | GeoAlliance Consultants Pte. Ltd. |
| Tham Wai Wah | 3469 | Civil | 1999-04-20 | Ministry Of Transport (MOT) |
| Thamaraikkannan Vinayagam | 4516 | Civil | 2013-06-13 | Mott MacDonald Singapore Pte Limited |