| 3991 | Karmagnole Pte. Ltd. 201113089N | Active |
| 3992 | Kla Tencor (singapore) Pte. Ltd. 199600895K | Active |
| 3993 | Kalsika Pte Ltd 199606150C | Active |
| 3994 | Kofax Singapore Pte. Ltd. 199602305R | Active |
| 3995 | Kiddy Junction Pte Ltd 199603702W | Active |
| 3996 | Ktm Singapore Pte Ltd 199602376R | Active |
| 3997 | Kim Seng Long Pte Ltd 199506978G | Active |
| 3998 | Kin Lup Transport & Trading Pte Ltd 199508850M | Active |
| 3999 | Kaizen Investment Pte Ltd 199606534W | Active |
| 4000 | Kgi Capital (singapore) Pte. Ltd. 199805772G | Active |
| 4001 | Know Speak English (s) (private Limited) 201200090E | Active |
| 4002 | Kids 21 Pte Ltd 199604292R | Active |
| 4003 | Kiaw Aik Hardware Trading Pte Ltd 199608616C | Active |
| 4004 | Klotz Communications Asia 53306752M | Active |
| 4005 | Kelner Investment Pte Ltd 199609211E | Active |
| 4006 | Kp Gourmet Pte. Ltd. 201526760N | Active |
| 4007 | Klh Building Materials 52861786M | Active |
| 4008 | Koonies Food & Beverage Pte Ltd 200005189N | Active |
| 4009 | Kaiser Pharmaceutical (singapore) Private Limited 199606142K | Active |
| 4010 | Kim Seng Huat Investment Pte Ltd 199500317N | Active |
| 4011 | Kemayan Construction Pte Ltd 199601450D | Active |
| 4012 | Kemel Asia Pacific Pte. Ltd. 199608737M | Active |
| 4013 | Kim Keat Construction (m&e) Pte. Ltd. 201200807D | Active |
| 4014 | Ko Djeng Dental Centre Pte. Ltd. 199604369H | Active |
| 4015 | K. K. Sim Trading 52863311B | Active |
| 4016 | Kopitiam Group Pte Ltd 199405302E | Active |
| 4017 | Key Point Holding Pte. Ltd. 199408327N | Active |
| 4018 | Kowa Clinic & Surgery Pte Ltd 199401657C | Active |
| 4019 | Keppel Telecoms Pte Ltd 199401096N | Active |
| 4020 | Kate Porter Yoga Pte. Ltd. 200722173H | Active |