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| 542 | Kang Yuan Food Factory
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| 543 | Kwa Consultants Pte. Ltd.
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| 544 | Kwong Wing Trading & Credit Co
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| 545 | K Europe Holding Company Limited
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| 546 | Kim Ng Hair Salon
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| 547 | Koon Motor Service
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| 548 | Key Learning Centre
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| 549 | Ken Tuition Centre
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| 550 | K Planet Tuition Centre Pte. Ltd.
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| 551 | Keen Minds Enrichment Centre
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| 552 | Kritpruf Communications
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| 553 | Kip Mcgrath Worldwide Education Centres (s) Pte. Ltd.
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| 557 | Kimiya Learning Place Llp
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| 560 | Karmic Circle
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| 562 | Kee Hiong Asia Pacific Pte. Ltd.
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| 565 | Kent Ridge Education Hub Pte. Ltd.
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| 567 | Kimkids Shop
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| 568 | Kok Seng Warehousing Service
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