| 1861 | Octo Tech Precision Pte Ltd
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| 1862 | Ocean Oriental Singapore Pte Ltd
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| 1863 | Oilim Global Synergy Pte. Ltd.
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| 1864 | Ocean Power International Pte. Ltd.
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| 1865 | Oculex Asia Pharmaceuticals Pte Ltd
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| 1866 | Ong Chin Lee Construction Pte Ltd
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| 1867 | Ong Kee Gee Holdings Pte Ltd
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| 1868 | Openix Pte Ltd
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| 1869 | Ocs Training Institute (singapore) Pte. Ltd.
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| 1870 | Ong & Ong Enterprise Pte. Ltd.
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| 1871 | One Consulting Group Pte. Ltd.
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| 1872 | Orient Credit Pte Ltd
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| 1873 | Open Sesame Software Boutique Pte Ltd
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| 1874 | Odyssey Partners Limited
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| 1875 | Oph Property Limited
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| 1876 | Opticare International Pte Ltd
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| 1877 | Oshya Ltd. (06098421)
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| 1878 | Oceanway Oes Shipping Pte Ltd
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| 1879 | Offshore Construction Specialists Pte. Ltd.
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| 1880 | Onenine57 Pte. Ltd.
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| 1881 | On'e Mind & Body
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| 1882 | Ok Express Pte. Ltd.
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| 1883 | Ogeco21 Tech
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| 1884 | Omt Pte. Ltd.
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| 1885 | Obn 2016 Pte. Ltd.
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| 1886 | Oph Marymount Limited
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| 1887 | Osteopore International Pte. Ltd.
200311327H | 有効 |
| 1888 | Oxgate Pte Ltd
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| 1889 | Oni Global Brands Pte. Ltd.
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| 1890 | One Stop Mini Mart
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