| Anthony Hii Jiu Haw | 5010 | Electrical | 2018-01-08 | Housing & Development Board |
| Anton Setiawan | 4777 | Mechanical | 2016-05-13 | Vine Consultancy |
| Aqil Abdullah Cheng @ Cheng Poh Soon | 4135 | Electrical | 2007-02-23 | I2R Engineering Solutions Pte Ltd |
| Arij Glycin Ganesan | 5475 | Electrical | 2022-08-25 | RED Engineering Tractebel (Singapore) Pte. Ltd. |
| Arulampalam Paul Suyanthiran | 5795 | Civil | 2025-09-05 | Bureau Veritas Buildings & Infrastructure Pte. Ltd. |
| Arulampalam Ramasthanan | 5341 | Civil | 2020-10-15 | Bosons Consulting Group Pte. Ltd. |
| Arunachalam | 5740 | Mechanical | 2025-03-27 | Ministry of Manpower |
| Atul Gupta | 5633 | Civil | 2024-04-25 | CKMbT International Pte. Ltd. |
| Augustinus Lioewanta | 2478 | Mechanical | 1989-05-17 | A. Lioe & Associates Pte Ltd |
| Aung Kywe Nyunt | 4554 | Mechanical | 2013-10-17 | Beca Carter Hollings & Ferner (S.E.Asia) Pte Ltd |
| Aw Boon Leong | 4070 | Civil | 2006-09-19 | ABL Consultants Pte. Ltd. |
| Aw Chung Seng | 5310 | Mechanical | 2020-02-20 | HY M&E Consultancy Services Pte. Ltd. |
| Aw Kian Hing | 3964 | Electrical | 2005-04-19 | PUB, Singapore's National Water Agency |
| Aw Lih Hau | 5536 | Mechanical | 2023-04-27 | SMRT Trains Ltd |
| Aw Yin Leng | 4624 | Mechanical | 2014-09-18 | PDC Consultants Pte. Ltd. |
| Aw Zhi Hao | 5553 | Electrical | 2023-06-22 | AGI Engineering Services |
| Ayingaran Shivajini | 5902 | Civil | 2026-05-28 | STRUCTA CONSULTANTS |
| Ayingaran Thevathasan | 5323 | Civil | 2020-04-16 | SMS Consulting Engineers Pte. Ltd. |
| Aziz Bin Manijan | 3618 | Civil | 2001-05-11 | Azfa Engineers & Project Managers |
| Baskaran Kathirgamathamby | 5308 | Civil | 2020-01-16 | Takenaka Singapore Pte Ltd |
| Beh Ee Ling | 5676 | Electrical | 2024-07-26 | Beca Carter Hollings & Ferner (S.E.Asia) Pte Ltd |
| Beh Ru Chern Gilbert | 5467 | Electrical | 2022-06-23 | J Roger Preston (Singapore) Pte Ltd |
| Beh Swee Chiew | 3196 | Civil | 1996-02-14 | RSP Architects Planners & Engineers (Pte) Ltd |
| Beh Yoong Yoong | 5826 | Civil | 2026-01-22 | AECOM Singapore Pte. Ltd. |
| Benson Tan Min Teik | 3381 | Civil | 1998-04-21 | Binnies Singapore Pte. Ltd. |
| Berlina Margaretha Winata | 4917 | Civil | 2017-08-22 | Arup Singapore Private Limited |
| Boey Choong Fatt | 2987 | Civil | 1994-01-19 | CASE Consultants |
| Boey Kai Ming | 5554 | Electrical | 2023-06-22 | Singapore Polytechnic |
| Boey Weng Cheong Nicolas-Ian | 3396 | Mechanical | 1998-05-19 | Meinhardt (Singapore) Pte Ltd |
| Bok Chee Meng | 3231 | Mechanical | 1996-06-14 | Bok Engineering Services |