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| 422 | Winvest Investment Group Pte. Ltd.
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| 423 | Widefield Engineering & Contractor
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| 426 | Well Medical Clinic & Surgery Pte. Ltd.
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| 427 | Westview Exchange
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| 428 | Wbl Precision (private) Limited
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| 431 | Winners Sport Centre
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| 432 | Wytt Technik Pte. Ltd.
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| 433 | Wedding Secrets'
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| 434 | Wei Kiat Screen Printing
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| 435 | White Energy Ventures Limited
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| 436 | Waheguru Pte. Ltd.
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| 437 | Wz Enterprise Pte. Ltd.
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| 438 | Wimiec Pte. Ltd.
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| 439 | Waters Pacific Pte. Ltd.
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| 440 | West Peak Services
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| 442 | Watabe Singapore Pte. Ltd.
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| 450 | Wwtbf Pte. Ltd.
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