| 661 | K&l Advertising (shanghai) Limited T15UF5604D | Active |
| 662 | Ka Foods Enterprise 53326408A | Active |
| 663 | Khan Co,. Ltd. T16UF0404F | Active |
| 664 | Kayani Underground Detection & Engineering (sin) 53256617C | Active |
| 665 | Kairos Asia Outreach 201423120D | Active |
| 666 | Kinectic Engineering 53325226A | Active |
| 667 | Koays Accident Reconstruction Pte. Ltd. 201600526H | Active |
| 668 | Klyofins Unisex Saloons 52912943D | Active |
| 669 | K2 Vc Pte. Ltd. 201543258D | Active |
| 670 | Ks Lum Tutoring 53325074M | Active |
| 671 | Kk Brothers Pte. Ltd. 201600753D | Active |
| 672 | Kumagai Sembcorp Joint Venture 52879276L | Active |
| 673 | Kh Hardware & Engineering Pte. Ltd. 201543541W | Active |
| 674 | Kian Seng Thye Trading Co 21281500L | Active |
| 675 | Kodakit (singapore) Pte. Ltd. 201543700E | Active |
| 676 | Kh Air.cond Services 53326270D | Active |
| 677 | Kaeser Gastechnik (singapore) Pte. Ltd. 200616060M | Active |
| 678 | Krisenergy Netherlands Holdings Pte. Ltd. 201543159Z | Active |
| 679 | Kim San Wood Polishing 24437200D | Active |
| 680 | Kuan Investment Llp T15LL2060C | Active |
| 681 | Kharisma Agung Pte. Ltd. 201432881N | Active |
| 682 | Kai Yuen Chinese Medical Hall 52977940D | Active |
| 683 | Karma' N Ko Finances T15UF5712H | Active |
| 684 | Knights Express Logistics Pte. Ltd. 201601155N | Active |
| 685 | Kent Thong Enterprise Pte. Ltd. 201601706H | Active |
| 686 | Kangfu International Pte. Ltd. 201116030C | Active |
| 687 | Kling Technology Pte. Ltd. 201501777E | Active |
| 688 | Kwong Satay 30164000M | Active |
| 689 | Kazmunaygas Trading Ag Singapore Branch T16FC0014L | Active |
| 690 | Koru I&c Health Pte. Ltd. 201543493H | Active |