| Hew Teng Shan Jonathan | 3854 | Mechanical | 2003-10-28 | Unipac Consulting Engineers LLP |
| Hiew Ching Yong | 4900 | Civil | 2017-07-18 | APEL PTE. LTD. |
| Hiew Siaw Ling | 4616 | Civil | 2014-07-17 | Civil Aviation Authority of Singapore |
| Hng Ming Yang | 5540 | Electrical | 2023-04-27 | SP PowerGrid Limited |
| Ho Ah Wah Gerard | 1017 | Mechanical | 1974-12-05 | Hazard Control Engineering Pte. Ltd. |
| Ho Ann Ching | 3979 | Civil | 2005-06-21 | LYL Consultants Pte. Ltd. |
| Ho Boon Chye Winston | 3936 | Mechanical | 2004-12-03 | JTC Corporation |
| Ho Boon Thong | 2105 | Civil | 1984-10-29 | MBT Consultants |
| Ho Chee Leong | 3913 | Mechanical | 2004-07-26 | - |
| Ho Chee Yon | 2104 | Civil | 1984-10-09 | - |
| Ho Chih Kwong | 3798 | Mechanical | 2003-04-15 | Pixel Consultants |
| Ho Chin Seng | 4603 | Electrical | 2014-06-23 | EM Services Pte Ltd |
| Ho Chio Pang | 5222 | Civil | 2019-05-16 | JTC Corporation |
| Ho Chong Leong | 1715 | Civil | 1982-03-05 | Bureau Veritas Buildings & Infrastructure Pte. Ltd. |
| Ho Choon Beng | 4724 | Mechanical | 2015-10-14 | DSCO Group Pte. Ltd. |
| Ho Dalun | 5512 | Mechanical | 2023-01-26 | Land Transport Authority |
| Ho Ee Ming David | 3408 | Civil | 1998-06-23 | Power Engineering & Controls Pte. Ltd. |
| Ho Fook Seng | 3851 | Electrical | 2003-10-28 | Leytron Technology Pte Ltd |
| Ho Foong Kew | 3568 | Electrical | 2000-07-18 | WSP Consultancy Pte. Ltd. |
| Ho Hiu Nok | 4782 | Civil | 2016-06-16 | Land Transport Authority |
| Ho Hock Choon Malvin | 4012 | Electrical | 2005-11-15 | Land Transport Authority |
| Ho Hong Chin | 4739 | Civil | 2015-12-04 | Bureau Veritas Buildings & Infrastructure Pte. Ltd. |
| Ho Hong Keow | 3390 | Civil | 1998-04-21 | Leng Consultants |
| Ho Jin Yao | 5168 | Mechanical | 2018-10-18 | Nanyang Technological University |
| Ho Jun Xian | 5154 | Electrical | 2018-10-18 | SWTS Consulting Engineers Pte. Ltd. |
| Ho Kai Ming | 5190 | Civil | 2018-12-14 | H-Tech Consultants Pte. Ltd. |
| Ho Keen Peng | 3872 | Mechanical | 2004-03-16 | Ignesis Engineering Pte. Ltd. |
| Ho Kok Ann | 4467 | Mechanical | 2012-08-16 | Icon Engineers LLP |
| Ho Kok Hoong | 0905 | Electrical | 1974-04-24 | J M Pang & Associates |
| Ho Kuan Yu | 5707 | Electrical | 2024-09-26 | PSA Corporation Limited |