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| 332 | Osteopathy & Podiatry Pte. Ltd.
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| 333 | Orchard Hotel S'pore
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| 334 | Orange Communications Pte Ltd
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| 335 | Oralgiene Dental Surgery
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| 336 | Ong Chwee Ling (Pte) Ltd
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| 337 | Overseas Academic Link Pte Ltd
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| 338 | Orchard Medical Specialists Centre
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| 339 | Orange Clove Catering Pte. Ltd.
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| 340 | Ong Chong Sen Dr
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| 341 | Orchard Pharmacy Pte Ltd
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| 342 | Open Mind Technologies Asia Pacific Pte Ltd
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| 343 | Overum Wear Parts (F E) Pte Ltd
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| 344 | Oversea-chinese Banking Corpn Ltd
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| 345 | Oralcare Dental Surgery
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| 347 | Orbit Academic Centre
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| 348 | Optimum Copier Trading & Services
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| 349 | Optimistique Pte Ltd
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| 350 | Optical 88
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| 351 | Onestop@home Pte. Ltd.
200801548N | Active |
| 352 | Overseas Ventures Pte Ltd
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| 353 | Orchard Grand Court Pte Ltd
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| 354 | Oon Skin Clinic
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| 355 | Oxford Graphic Printers Pte Ltd
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| 356 | Overseas Courier Service (S) Pte Ltd
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| 357 | Original Food 21 (pte.) Ltd.
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| 359 | Owl Int'l Pte Ltd
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| 360 | Orchard Parade Hotel S'pore
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