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| 8402 | Orb Pte. Ltd. 201533685H | Active |
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| 8404 | O & B Singapore 53007137A | Active |
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| 8406 | Over Success Enterprise Pte. Ltd. 201216840N | Active |
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| 8411 | O'brian Tarping Systems (singapore) Private Ltd. 201211205H | Active |
| 8412 | Otop Holdings Pte. Ltd. 201220814Z | Active |
| 8413 | Osewaya Singapore Pte. Ltd. 201301218Z | Active |
| 8414 | Om Vedic Heritage Centre Pte. Ltd. 201201854K | Active |
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| 8418 | Offshore Project Management Pte. Ltd. 201310586M | Active |
| 8419 | Oracle Protection Industries Pte. Ltd. 201119126W | Active |
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| 8428 | Otay Pte. Ltd. 201214931N | Active |
| 8429 | Ooyala Singapore Private Limited 201300242R | Active |
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