| 811 | Odace Pte. Ltd. 201606086K | Active |
| 812 | Oquu 52904220K | Active |
| 813 | Ots Engrg & Trading Pte. Ltd. 201537216W | Active |
| 814 | O'joy Care Services T04SS0047J | Active |
| 815 | Ortho Clinical Diagnostics S.a. T15UF4467E | Active |
| 816 | Off Peak Hub Sdn. Bhd. T15UF4586K | Active |
| 817 | Overseas Chinese Club, The S29SS0009H | Active |
| 818 | Oval Corporation T03UF3079A | Active |
| 819 | Ottavia Holdings Limited T15UF4380H | Active |
| 820 | Oxford Group & Partners 53130542B | Active |
| 821 | Ocsf Pty Ltd T15UF4455H | Active |
| 822 | Origin Itfs Private Limited T15UF4490D | Active |
| 823 | One Container Line Pte. Ltd. 200102614W | Active |
| 824 | Olive Tree Studio 53074780D | Active |
| 825 | Oms Services 52899412C | Active |
| 826 | Omni Link Services 52885453D | Active |
| 827 | Opera Estate School Alumni Association (singapore) T03SS0005C | Active |
| 828 | Oath Pte. Ltd. 201536794N | Active |
| 829 | Options Garment 52896295K | Active |
| 830 | Obtuse Films Pte. Ltd. 201536781H | Active |
| 831 | Outdoor Education Association (singapore) T08SS0093D | Active |
| 832 | Open Source Society T06SS0078H | Active |
| 833 | One.strategist Llp T08LL0600D | Active |
| 834 | Operation Blessing T03SS0168A | Active |
| 835 | Opera Works (singapore) T08SS0116J | Active |
| 836 | Off Grid Studios Pte. Ltd. 200106619W | Active |
| 837 | Overseas Students' Association T05SS0311G | Active |
| 838 | Overmars Engineering & Maintenance Services 52892041C | Active |
| 839 | Oregon Running Club T04SS0239L | Active |
| 840 | Orchid Pharmacare Pte Ltd 199501197D | Active |