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| 633 | World Vision Int'l
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| 635 | Wong Chor Chon Dr
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| 636 | Wo Kee Hong Marketing Pte Ltd
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| 637 | Wonderland Children's Clinic Pte. Ltd. 197500658H | Active |
| 638 | Window World & Interior Resources Pte Ltd 199000599H | Active |
| 639 | Window On The Park Restaurant
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| 640 | Winsome Medical & Dental Center T07MD4533G | Active |
| 641 | Window Image & Interior Furnishing Pte Ltd 199802660H | Active |
| 642 | Widex S'pore Pte Ltd
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| 643 | Wilmer Clinic Private Limited 197400663D | Active |
| 644 | Westtech Security & Automation Pte Ltd
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| 645 | Win & Win Pte Ltd 198003199N | Active |
| 646 | Warehouse Logistics Net Asia Pte Ltd 199206696R | Active |
| 647 | Wbl Corpn Ltd
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| 648 | Wai Onn Engineering & Constuction Pte Ltd
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| 649 | Wah Lok Cantonese Restaurant 39916500B | Active |
| 650 | Wywy Office Solutions Pte Ltd
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| 651 | Wu Llc 200709407E | Active |
| 652 | Worleyparsons Pte Ltd
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| 653 | Wong's Plastic Surgery Centre Pte Ltd 198402675R | Active |
| 654 | Wme (S'pore) Pte Ltd
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| 655 | Winsor Interiors Pte Ltd 200001365H | Active |
| 656 | William Poh & Louis Lim 53130996K | Active |
| 657 | Wilson Parking (S) Pte Ltd
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| 658 | Wilson International Trading Pte Ltd
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| 660 | Weining Pte Ltd 199200768R | Active |