| Chong Kim Beng Ronnie | 2401 | Civil | 1988-05-18 | Ronnie & Koh Consultants Pte. Ltd. |
| Chong Koay Min | 3389 | Civil | 1998-04-21 | KMN Consultants |
| Chong Kok Hoe Dan | 3462 | Mechanical | 1999-04-20 | C2D Solutions Pte. Ltd. |
| Chong Li Li | 4959 | Electrical | 2017-10-23 | Housing & Development Board |
| Chong Ling Ee | 3576 | Civil | 2000-08-15 | AECOM Singapore Pte. Ltd. |
| Chong Min Keong | 2622 | Civil | 1991-02-20 | Consultant Transport and Infrastructure |
| Chong Pak Yan | 4881 | Civil | 2017-05-22 | Building and Construction Authority |
| Chong Pin San | 4276 | Electrical | 2008-01-17 | EcoXplore Pte Ltd |
| Chong Poh Ting | 4775 | Civil | 2016-05-13 | AECOM Singapore Pte. Ltd. |
| Chong Seng Lai | 3060 | Civil | 1994-09-21 | JPL Consultants Pte. Ltd. |
| Chong Shin Kian | 2329 | Civil | 1987-10-27 | - |
| Chong Shoon Nguk | 3284 | Electrical | 1996-10-02 | Cheong Meng Electrical Services |
| Chong Siew Leung | 3283 | Electrical | 1996-10-02 | Surbana Jurong Infrastructure Pte. Ltd. |
| Chong Sook Khuen | 2459 | Civil | 1989-03-22 | Chong Engineering Consultants |
| Chong Ting Wei | 5565 | Electrical | 2023-06-22 | Aztec Steel Pte. Ltd. |
| Chong Tuck Sin | 4179 | Electrical | 2007-04-19 | Cutech Quality Solutions Pte. Ltd. |
| Chong Wei-Xin Esther | 5444 | Electrical | 2022-01-27 | Microsoft Operations Pte Ltd |
| Chong Wen Jie Sunny | 4694 | Electrical | 2015-06-18 | PSA Corporation Limited |
| Chong Yeng Keat | 5285 | Electrical | 2019-12-05 | CST Engineering Pte Ltd |
| Chong Yeng Leong | 4743 | Electrical | 2015-12-04 | CST Engineering Pte Ltd |
| Chong Yew Kheat | 3506 | Civil | 1999-09-21 | Binnies AECOM JV Pte Ltd |
| Chong Yit Wah | 3849 | Civil | 2003-10-28 | GCS Engineers Pte. Ltd. |
| Chong Yoon Hean | 2721 | Civil | 1991-10-15 | YH Chong Consulting Engineers |
| Choo Boon Tiong | 2491 | Mechanical | 1989-06-14 | BTC Consultants |
| Choo Buan Chiang Daniel | 5286 | Mechanical | 2019-12-05 | Soteria Pte. Ltd. |
| Choo Cheng Shien @Anthony Choo | 4798 | Electrical | 2016-08-18 | SJD Consultants Pte. Ltd. |
| Choo June Shyan | 3852 | Civil | 2003-10-28 | Otte International Pte Ltd |
| Choo Kim Thong | 1895 | Civil | 1983-04-07 | Engineers 2002 Private Limited |
| Choo Kin How | 5615 | Civil | 2024-01-25 | Kin Engineers & Associates |
| Chooi Tuck You | 5255 | Mechanical | 2019-09-19 | OHWS Engineers Pte. Ltd. |