| 1381 | Kion Sheng Electrical Contractor 08919800W | Active |
| 1382 | K M Y Electrical Engineering Pte Ltd 199906983Z | Active |
| 1383 | Kong Hwee Iron Works & Construction Pte. Ltd. 198802515Z | Active |
| 1384 | Kian Gee General Contractor 09568300C | Active |
| 1385 | Kim Theng General Contractor 52467300D | Active |
| 1386 | Kai Sheng Electrical Engineering 53152127C | Active |
| 1387 | Kihe Engineering Enterprise 52818405M | Active |
| 1388 | Kah Engineering (1986) Pte. Ltd. 198602510W | Active |
| 1389 | Kappa Electric Pte. Ltd. 200203758G | Active |
| 1390 | K.h. Land Pte Ltd 199304897G | Active |
| 1391 | Keong Hong Construction Pte Ltd 198304731E | Active |
| 1392 | Kupps & Sachs Pte Ltd 199805191N | Active |
| 1393 | Kai He Pte. Ltd. 200307979C | Active |
| 1394 | Kimrise Electrical Contractor 52826397L | Active |
| 1395 | Kiso Jiban Consultants Co., Ltd Singapore Branch S74FC2389G | Active |
| 1396 | Kingsco Construction Llp T07LL0613C | Active |
| 1397 | Khs&s Singapore Pte. Ltd. 200908522C | Active |
| 1398 | Kkb Engineering Pte. Ltd. 200821563C | Active |
| 1399 | Kevin Binnie (singapore) Pte. Ltd. 198105575Z | Active |
| 1400 | Kensing Enterprise 52866651K | Active |
| 1401 | Klw Joinery Pte. Ltd. 201011963W | Active |
| 1402 | K.c. Low Construction Pte Ltd 199705357N | Active |
| 1403 | Kee Min Auto Supply Co. Pte. Ltd. 198802561Z | Active |
| 1404 | Kz Management Pte. Ltd. 200910448E | Active |
| 1405 | Kaszon Pte Ltd 200007153D | Active |
| 1406 | Kodiyur Engineering & Construction Pte. Ltd. 199507168N | Active |
| 1407 | Kwong Heng Enterprises Pte Ltd 199001094W | Active |
| 1408 | Kian Hock Piling Pte. Ltd. 201014006M | Active |
| 1409 | Kirsons Trading Pte Ltd 199006070K | Active |
| 1410 | K United Builder Pte. Ltd. 201001820C | Active |