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| 512 | Quick Result Holdings Limited
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| 513 | Quadria Capital Fund L.p.
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| 515 | Qbe Marine And Energy Services Pte. Ltd.
200800484K | 启用 |
| 516 | Q Communications Pte. Ltd.
201412460D | 启用 |
| 517 | Qiankun Machinery Singapore Pte. Ltd.
201213368E | 启用 |
| 518 | Quasar International Group Pte. Ltd.
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| 519 | Queen's Marine (pte.) Ltd.
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| 520 | Quality Foods & Packaging Industries Pte. Ltd.
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| 521 | Qi Shia Hing Food Holdings Pte. Ltd.
200722600Z | 启用 |
| 522 | Qcn Global Pte. Ltd.
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| 523 | Qplay Global Pte. Ltd.
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| 524 | Qi Media Pte. Ltd.
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| 525 | Qrinno Pte. Ltd.
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| 526 | Queen's Jeweller Pte Ltd
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| 527 | Qantas Freight Enterprises Limited
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| 528 | Questvest (s) Pte Ltd
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| 529 | Queen's Road Central Holdings Limited
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| 530 | Qingan Shipping Pte Ltd
199500363N | 启用 |
| 531 | Qualitek Precision Tooling (s) Pte Ltd
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| 532 | Qjy Ooh Holding Company Limited
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| 533 | Qoomart
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| 534 | Quadra Investments Pte. Ltd.
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| 535 | Qel Holdings Sdn Bhd
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| 536 | Qanopus Investments Ltd.
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| 537 | Qu Qian Pte Ltd
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| 538 | Qq Bbq Seafood
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| 539 | Qq Group Pte. Ltd.
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| 540 | Qq Limousine Services
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