| Liew Kean Thiam | 5024 | Electrical | 2018-03-15 | - |
| Liew Keng How | 2887 | Civil | 1992-12-16 | Land Transport Authority |
| Liew Kian Heng | 2373 | Civil | 1988-03-16 | Liew Consultants/Liew Strategics |
| Liew Lee Lin @Theresa Liew | 3961 | Mechanical | 2005-04-19 | IQS SERVICES PTE. LTD. |
| Liew Pheng Heng | 3611 | Electrical | 2001-03-20 | Mott MacDonald Singapore Pte Limited |
| Liew Ve Koon | 3624 | Civil | 2001-05-11 | Shiun Investments & Regional Node Pte. Ltd. |
| Liew Vui Lee | 4207 | Civil | 2007-05-17 | TJ Consultants |
| Liew Wan Sein | 4703 | Mechanical | 2015-08-18 | Sein Inspection Services |
| Liew Yook Yeen | 4861 | Mechanical | 2017-03-23 | SKYY Leasing Services Pte. Ltd. |
| Liew Yoon Hsien | 4370 | Civil | 2010-09-17 | YHL Consultants Pte. Ltd. |
| Liew Zhen Guang | 5607 | Civil | 2024-01-25 | Land Transport Authority |
| Lim Ah Hee | 2632 | Electrical | 1991-03-20 | Fuji Bridex Pte Ltd |
| Lim Ah Hock @ Albert Lim | 3869 | Electrical | 2004-03-16 | Solargy Pte. Ltd. |
| Lim Ah Hock @ Lim Cheng Hock | 2069 | Civil | 1984-07-31 | LCH Geoeng Pte. Ltd. |
| Lim Ah Sang | 2421 | Mechanical | 1988-11-25 | Vance Engineering Pte Ltd |
| Lim Ai Guan | 5774 | Electrical | 2025-06-19 | SMRT Trains Ltd. |
| Lim Ban Khin | 5761 | Civil | 2025-04-17 | KTP Consultants Pte Ltd |
| Lim Bee Yen Rachel | 5387 | Civil | 2021-02-25 | AECOM Singapore Pte. Ltd. |
| Lim Beng Hwee | 3516 | Electrical | 1999-10-19 | G2G Engineering Pte Ltd |
| Lim Beng Kwee | 3634 | Civil | 2001-07-17 | Ang & Ong Consultants Pte. Ltd. |
| Lim Beng Sun | 1620 | Civil | 1981-03-24 | LBS Engineering Consultants |
| Lim Beng Woon | 3382 | Civil | 1998-04-21 | PnE Consultants |
| Lim Boon Huat | 4121 | Civil | 2007-01-26 | VEngineers Consultancy Pte Ltd |
| Lim Boon Keong | 4799 | Electrical | 2016-08-18 | DSCO Group Pte. Ltd. |
| Lim Chai Hoon | 4958 | Electrical | 2017-10-23 | Alpha Consulting Engineers Pte Ltd |
| Lim Chai Yong | 3998 | Electrical | 2005-09-20 | HLEM Consultancy Services Pte. Ltd. |
| Lim Chain Chuan | 4409 | Civil | 2011-09-23 | BK Consulting Engineers Pte. Ltd. |
| Lim Chee Eng | 3079 | Civil | 1995-01-25 | - |
| Lim Chee Keong | 4095 | Civil | 2006-11-21 | Land Transport Authority |
| Lim Chee Kok | 3445 | Civil | 1998-11-17 | CKL Consultants |