| 2401 | Optic Butler 53309653K | Active |
| 2402 | Onebooktravel Pte. Ltd. 201401405G | Active |
| 2403 | Old German Bakery Pte. Ltd. 201313549D | Active |
| 2404 | Oriental Group Ltd. 200401998C | Active |
| 2405 | Oops! Asia (singapore) Media Pte. Ltd. 201002049E | Active |
| 2406 | Omni Plus System Holdings Pte. Ltd. 200515218E | Active |
| 2407 | Orthosportsatconnexion 53288546E | Active |
| 2408 | Online Energy Services Pte. Ltd. 200400630W | Active |
| 2409 | Ocean Consultant & Employment Pte. Ltd. 201231429D | Active |
| 2410 | Organo Gold Holdings, Limited T13UF4463L | Active |
| 2411 | Optima Werkz Pte. Ltd. 201212455W | Active |
| 2412 | Olivine Commercial Pte. Ltd. 201027317G | Active |
| 2413 | Oake Media 53252667L | Active |
| 2414 | One Facilities Management Pte. Ltd. 200517807C | Active |
| 2415 | Overseas Telecom Pte. Ltd. 200800649D | Active |
| 2416 | Ong Tan Seng Building Construction Pte. Ltd. 200514207E | Active |
| 2417 | Oscar Alliance Sdn. Bhd. T13UF4452K | Active |
| 2418 | Onelegalcorp Pte. Ltd. 200512209N | Active |
| 2419 | Orbis Pte. Ltd. 200514770K | Active |
| 2420 | On Services Pte. Ltd. 200902617Z | Active |
| 2421 | One Financial Advisory Services Pte. Ltd. 200513477G | Active |
| 2422 | Ooi.i.n.c. 53067811W | Active |
| 2423 | One Click Services Pte. Ltd. 200712946C | Active |
| 2424 | Okutsu Corporation Singapore Pte. Ltd. 201215610K | Active |
| 2425 | Oli Engineering Pte. Ltd. 201213699W | Active |
| 2426 | Oba Venture Capital Pte. Ltd. 200406933M | Active |
| 2427 | Oxbridge Global Pte. Ltd. 200404855M | Active |
| 2428 | Olive Green Pte. Ltd. 200820557R | Active |
| 2429 | Os Bagus Foodstuff 52999085K | Active |
| 2430 | One Nine Eight Eight Protection Services 53331650B | Active |