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| 842 | Khai Rick Engineering 49377600A | Active |
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| 844 | Kuriyama-ohji (S) Pte Ltd
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| 845 | Kruger Asia Industries Pte Ltd 198900749C | Active |
| 846 | Krishco S'pore Construction Pte Ltd
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| 847 | Klotz Cables Asia
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| 848 | Knauf S'pore Pte Ltd
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| 849 | Kew Lian Pte Ltd 199200370D | Active |
| 850 | Kevin Tan Clinic For Diabetes Thyroid & Hormones Pte Ltd
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| 851 | Kok Keong Landscaping & Gardening Services
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| 852 | Ko Djeng Dental Centre
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| 853 | Kochi Representative Office
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| 855 | Koh Seng Enterprise Co 24051300B | Active |
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