| 511 | Kcuts Nex Pte. Ltd. 201605628G | Active |
| 512 | Kizuki Capital Co., Ltd. T15UF2395L | Active |
| 513 | Khanchand & Sons 06109400E | Active |
| 514 | Kickle Asia Pte. Ltd. 201604256H | Active |
| 515 | Kheng Guan Electrical Engineering Company 22555900E | Active |
| 516 | Kusina De Pinoy 53014085C | Active |
| 517 | Kesari Singapore Pte. Ltd. 201600556G | Active |
| 518 | Kairos Capital Partners Pte. Ltd. 201602595Z | Active |
| 519 | Krystal Wee Cookbook Pte. Ltd. 201602643H | Active |
| 520 | Kass Transit Llp T16LL0408E | Active |
| 521 | Kafei Dian 53256155D | Active |
| 522 | Korean Plus (s) Pte. Ltd. 201509818E | Active |
| 523 | Kapitalgoods 53329241K | Active |
| 524 | Kuang Tai Lee Trading 46312100K | Active |
| 525 | Knewton Technologies Pte. Ltd. 201601967E | Active |
| 526 | Kaiser Consultancy Limited Liability Partnership T12LL2195G | Active |
| 527 | Kwf Printing Pte Ltd 200101309Z | Active |
| 528 | Kee Guan Huat Supermarket 24654100L | Active |
| 529 | Kiko Granite & Natural Stones 52935938C | Active |
| 530 | Kindercom Educare 52884872X | Active |
| 531 | Kim Chin Seng General Contractor 21782300M | Active |
| 532 | Kim Sia Engineering 26338900J | Active |
| 533 | Khim Yeong Motor Trading 53327957K | Active |
| 534 | Kwok Kwong Printing Co 25148800D | Active |
| 535 | Kenglee Electrical Engineering 52913751L | Active |
| 536 | Kirkhill Environmental Limited (09089732) T15UF4182G | Active |
| 537 | Kraft Tool Singapore 53042728A | Active |
| 538 | Kaptura Productions Llp T16LL0154G | Active |
| 539 | Kwangchye 53327488E | Active |
| 540 | Kok Chong Pond Specialist 53015197M | Active |