| 1621 | K Seng Development Pte Ltd 199601043E | Active |
| 1622 | Krislite Pte Ltd 199203820C | Active |
| 1623 | Keinzo Construction Pte. Ltd. 199507597Z | Active |
| 1624 | Koon Hwee Construction Pte Ltd 198903576G | Active |
| 1625 | Koon Hui Engineering Works Pte Ltd 199609131R | Active |
| 1626 | Kcc (singapore) Pte. Ltd. 199202641M | Active |
| 1627 | K Plast Technology Pte Ltd 199405596M | Active |
| 1628 | Kim Lian Bee Piling Construction Pte Ltd 199507214C | Active |
| 1629 | Kin Xin Engineering Pte Ltd 199708307Z | Active |
| 1630 | Kang Zhu Qian Construction Pte Ltd 199707866C | Active |
| 1631 | K.t. Soh Construction Pte Ltd 199608387W | Active |
| 1632 | Kingsland Engineering Pte Ltd 199602001H | Active |
| 1633 | Krishco Singapore Construction Pte Ltd 199507723R | Active |
| 1634 | Komco Engineering Pte Ltd 198903559N | Active |
| 1635 | Kok Heng Landscaping Pte Ltd 199700140N | Active |
| 1636 | Kong Siah Engineering Pte Ltd 199500620N | Active |
| 1637 | Koa Low Engineering Pte Ltd 199605695D | Active |
| 1638 | Kai Lim Pte. Limited 199000052H | Active |
| 1639 | Kbi Contracts & Marketing Pte Ltd 199504288E | Active |
| 1640 | Kenrich Construction Pte Ltd 199500793K | Active |
| 1641 | Kriscon Engineering & Trading Pte. Ltd. 199409519H | Active |
| 1642 | Koon Construction & Transport Co. Pte. Ltd. 197901282N | Active |
| 1643 | Kuishin Bo 52940923B | Active |
| 1644 | Krichard's Lighting (S) Pte Ltd 198902463 | Active |
| 1645 | Kto Automobile Assessors 52941122M | Active |
| 1646 | Kim Tiong Huat Contractor Pte Ltd 198803260C | Active |
| 1647 | Kone Pte Ltd 197801381N | Active |
| 1648 | Kajo Multi Services 53143602X | Active |
| 1649 | Kurita (singapore) Pte. Ltd. 197801706E | Active |
| 1650 | Kian Wah Contract (pte) Ltd 197400107W | Active |