| 2491 | Oci System Pte. Ltd. 200601493C | Active |
| 2492 | Onexpress Pte. Ltd. 200600780D | Active |
| 2493 | Ob M & E Installation Pte. Ltd. 200706592K | Active |
| 2494 | Ob Acmv Pte. Ltd. 200706597E | Active |
| 2495 | Orange Grove Capital Management Pte. Ltd. 201227570D | Active |
| 2496 | Ophir Resources Pte. Ltd. 201300416K | Active |
| 2497 | Obs (singapore) Pte. Ltd. 200703806N | Active |
| 2498 | Ong Beng Seng Transport & Trading 35550400J | Active |
| 2499 | Oasis Sports Trading 53037432C | Active |
| 2500 | Oviato Fine Art 53309666M | Active |
| 2501 | Ontic Engineering And Manufacturing Asia Pacific Pte. Ltd. 201109978C | Active |
| 2502 | Oriental Ehs Consultancy 53286109D | Active |
| 2503 | Onya! Design 52983866D | Active |
| 2504 | Oceana Enterprise Pte. Ltd. 200706081N | Active |
| 2505 | Odyssey Prestige Coaches Pte. Ltd. 200707226W | Active |
| 2506 | Oriental Commercial Pte. Ltd. 201129565N | Active |
| 2507 | Oslo Caribbean Carrier Pte. Ltd. 200912045G | Active |
| 2508 | Orbital Atk Pte. Ltd. 201527694W | Active |
| 2509 | Online Age 53288327J | Active |
| 2510 | Otte International Pte. Ltd. 200402669G | Active |
| 2511 | Orchard Suites Residence Pte. Ltd. 200707250K | Active |
| 2512 | Office Empire Pte. Ltd. 200707176G | Active |
| 2513 | Oviyam International Pte. Ltd. 200616491Z | Active |
| 2514 | Ob Acmv Services Pte. Ltd. 200706689H | Active |
| 2515 | Obilia + Blanct Pte. Ltd. 200707230E | Active |
| 2516 | Osstech International Pte. Ltd. 200707462N | Active |
| 2517 | Oakwood Middle East Pte. Ltd. 200704042C | Active |
| 2518 | Os Tech International Pte. Ltd. 201025236N | Active |
| 2519 | Olt Trading Pte. Ltd. 201500190K | Active |
| 2520 | Orient Asia Engineering Pte. Ltd. 201316543G | Active |