| 4501 | Offside Sports Group Pte. Ltd. 201510126E | 启用 |
| 4502 | Outdoor Solutions (bvi) Ltd T07UF1188F | 启用 |
| 4503 | Ophthalmic Associates (1995) Pte Ltd 199507201R | 启用 |
| 4504 | Olifia Luxe International Pte. Ltd. 201431851Z | 启用 |
| 4505 | Obsidian Strategic Pte. Ltd. 201432187W | 启用 |
| 4506 | Optimum Mba Limited T07UF1951B | 启用 |
| 4507 | O2o.com Pte. Ltd. 201536034R | 启用 |
| 4508 | Olim Pte. Ltd. 201536010G | 启用 |
| 4509 | Offshore Steels Pte. Ltd. 201601546K | 启用 |
| 4510 | Outsource Limousine Services 53249221L | 启用 |
| 4511 | Oishi International Pte. Ltd. 200309602E | 启用 |
| 4512 | Osborne Technology Limited T04UF2051D | 启用 |
| 4513 | Oub Australia Limited ("ouba") T04UF2026B | 启用 |
| 4514 | Oriens Mb Partners Pte. Ltd. 201307825E | 启用 |
| 4515 | Omnico World Sdn. Bhd T04UF1443H | 启用 |
| 4516 | Oriental Minerals Corporation T05UF0769C | 启用 |
| 4517 | Optus Mobile Pty Limited T05UF0761B | 启用 |
| 4518 | O. Mustad & Son A.s. T05UF2662L | 启用 |
| 4519 | Ots Global Limited T03UF2059L | 启用 |
| 4520 | Oversea Chinese Banking Corporation Limited, Shanghai Branch T04UF1989C | 启用 |
| 4521 | On Yip Nominees Limited T03UF2719E | 启用 |
| 4522 | Oky Pte. Ltd. 200205032G | 启用 |
| 4523 | Opsten Asia Pte. Ltd. 201225214N | 启用 |
| 4524 | Olive Tree Capital Group Limited T04UF1996J | 启用 |
| 4525 | One Nation Engineering Construction 53224932A | 启用 |
| 4526 | On Line Credit Pte Ltd 199804893C | 启用 |
| 4527 | Ocean (semi Open) Pte. Ltd. 200604501H | 启用 |
| 4528 | One Organisation Limited T05UF0749D | 启用 |
| 4529 | Onezero Soft 53230117W | 启用 |
| 4530 | Oes Equipment Ltd T04UF1397D | 启用 |