| 4501 | Osg Asia Pte Ltd 199305487M | Aktif |
| 4502 | On Command Corporation T08UF7688L | Aktif |
| 4503 | Orthosports@novena 53226158E | Aktif |
| 4504 | Octagon Csi International Holdings Sa T06UF0507D | Aktif |
| 4505 | Onn Electrical And Plumbing Services 53222569D | Aktif |
| 4506 | Over & Over Ltd S80UF0325H | Aktif |
| 4507 | Odyssey Nails & Reflexology Court 53222876J | Aktif |
| 4508 | Oncosolutions Cancer Center 53250000L | Aktif |
| 4509 | Old Kampong Convenience Shop 53223875C | Aktif |
| 4510 | Orthotics Lab Singapore 53290489C | Aktif |
| 4511 | Oprisk Advisory Llc T05UF2193A | Aktif |
| 4512 | One Trustee Pte. Ltd. 200715913Z | Aktif |
| 4513 | Orkla Asia Holding As T06UF1829C | Aktif |
| 4514 | Okawa Limited S80UF0309D | Aktif |
| 4515 | O3 Solutions 53265887J | Aktif |
| 4516 | Ocular Components 53248864D | Aktif |
| 4517 | Oasis Marine Services 53222982K | Aktif |
| 4518 | Omocha House 53229105X | Aktif |
| 4519 | Oil's Well Enterprise 53228329E | Aktif |
| 4520 | Office Devi,inc T03UF0493D | Aktif |
| 4521 | Omni Business Asia 53258443X | Aktif |
| 4522 | Ootique International 53224817A | Aktif |
| 4523 | Oversea Chinesebanking Corporation Limited, Shanghai Branch T06UF2435G | Aktif |
| 4524 | Oil Bunkers Pte. Ltd. 200914198K | Aktif |
| 4525 | Ope Enterprise 53224523K | Aktif |
| 4526 | One Fix Hub 53222318K | Aktif |
| 4527 | Ossia Music School Pte. Ltd. 200615001K | Aktif |
| 4528 | Ong Peng Siang 53222857W | Aktif |
| 4529 | Omono Pte. Ltd. 201416283W | Aktif |
| 4530 | Olivant Limited T06UF3053H | Aktif |