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| 722 | K K Lim & Co
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| 724 | K P Ho & Associates
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| 725 | K C Lau & Co
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| 726 | Kallang Bowl
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| 727 | Kaiser-Sgi (asia) Pte. Ltd.
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| 728 | Koon Sing Enterprise
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| 729 | Ko
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| 731 | Kislev Trading House
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| 732 | Kirloskar Brothers Ltd
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| 733 | Kim Soon Lee Heavy Vehicle Parking Centre
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| 734 | Kiat Lee Scrap Vehicles Centre Pte Ltd
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| 735 | Kh Mak Heart Clinic Pte. Ltd.
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| 736 | Keppel Land Limited
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| 737 | Ksy Marketing Pte Ltd
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| 738 | Kong Clinic For Chest & Internal Medicine
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| 739 | Kian Seng Auto Co. Pte. Ltd.
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| 740 | Khian Seng Hup Kee
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| 741 | Kheng Keng Motors Pte Ltd
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| 742 | Koyan Trading Company
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| 744 | Klm Royal Dutch Airlines
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| 745 | Kna Manpower Consultants Pte. Ltd.
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| 746 | Kim Seng Heavy Equipment Pte Ltd
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| 747 | Kib Insurance Brokers (s) Pte Ltd
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| 748 | Khai Kong Industrial (s) Pte Ltd
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