| 541 | Win Sin (pte) Ltd.
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| 542 | Westcomb Financial Group Ltd
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| 543 | Wenyang Sports Association
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| 544 | Weepaul Design Consultants Pte Ltd
198703916C | Active |
| 545 | Weektek Garment Co
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| 546 | Welltech Technologies S'pore
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| 547 | Wecom Engineering Pte. Ltd.
199003980E | Active |
| 548 | Watson E P Industries Pte Ltd
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| 549 | Welcome Real Time (aspac) Pte. Ltd.
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| 550 | Wywy Wireless Pte Ltd
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| 551 | Worldwide Investigation & Protection Pte Ltd
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| 552 | Woody Antique House
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| 553 | World Of Jj Pte Ltd
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| 554 | Wing Classic Enterprise
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| 555 | Whites D'zigno Pte. Ltd.
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| 556 | Welcare Student Care Centre
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| 557 | Wealth Metal Pte Ltd
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| 558 | Warren Khoo Arbitration Chambers
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| 559 | Wts Travel & Tours Pte Ltd
198900083E | Active |
| 560 | Woody Teak Collection
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| 561 | World O' Kidz (pte.) Ltd.
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| 562 | World Square
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| 563 | Wong May Ling Dr
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| 564 | Women's Centre
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| 565 | Wong Soon Tee Dr
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| 566 | Workplace Safety & Health Council
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| 567 | Wong Coco Pte Ltd
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| 568 | Wing Siang Long Pte Ltd
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| 569 | Window Cool Sunshade Products
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