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| 542 | Qs First Pte Ltd 199403115H | Active |
| 543 | Quantum Links Pte Ltd 199403319C | Active |
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| 545 | Qi Xiang Technology Pte. Ltd. 201605581M | Active |
| 546 | Qumulus Pte. Ltd. 201116987M | Active |
| 547 | Queens Square Investment Pte Ltd 199402050N | Active |
| 548 | Qq Automation & Renovation 53047087W | Active |
| 549 | Qaswa Pte. Ltd. 200402535K | Active |
| 550 | Qingwa Iq Pte. Ltd. 201435204G | Active |
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| 552 | Quek Kee Import & Export Pte Ltd 199307577G | Active |
| 553 | Quin Properties Pte Ltd 199005319Z | Active |
| 554 | Questar South East Asia Pte Ltd 199307649E | Active |
| 555 | Queen Fort Co (pte) Ltd 199301163N | Active |
| 556 | Qualitek Building Supplies Pte Ltd 199305199D | Active |
| 557 | Quickcut Singapore Pte. Ltd. 199300962D | Active |
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| 560 | Qaf Fruits Cold Store Pte Ltd 199302705D | Active |
| 561 | Qian Yi Marine Engineering Pte. Ltd. 200715240D | Active |
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| 564 | Quantum International Financial Investment Co.,ltd T10UF3522B | Active |
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| 568 | Qatar Investment Corporation T12UF0004L | Active |
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