| 841 | Ortho Graphics 53052782X | Active |
| 842 | Occam Advisors Llp T15LL1631E | Active |
| 843 | Offshore Gold Shipping Pte Ltd 198303706E | Active |
| 844 | Orchid International Distribution 52799386K | Active |
| 845 | Oklahoma City University Alumni (singapore) S90SS0079H | Active |
| 846 | Outsource It Private Limited 201535979R | Active |
| 847 | Online Journey Pte. Ltd. 201536353N | Active |
| 848 | Orion Judo Club T04SS0212G | Active |
| 849 | One Belt One Road Company Pte. Ltd. 201536006Z | Active |
| 850 | Original Soup 53312927C | Active |
| 851 | Omega Overseas Pte. Limited 201409177E | Active |
| 852 | Ojs Electrical & Engineering Enterprise 52839011B | Active |
| 853 | Ok Business Centre 52799280A | Active |
| 854 | Operation Renewal (singapore) S89SS0003F | Active |
| 855 | Oslabs Pte. Ltd. 201536408Z | Active |
| 856 | Organisasi Kaunselor T06SS0254G | Active |
| 857 | Operasia 53052916E | Active |
| 858 | Orim Singapore 52511100W | Active |
| 859 | Octagon Engineering & Supplies 52859286J | Active |
| 860 | Oil And Colour Chemists' Association Singapore Section S92SS0100K | Active |
| 861 | One (singapore) T05SS0263L | Active |
| 862 | Ocbc Recreation Club S88SS0102G | Active |
| 863 | Oh Hong Trading 52853781D | Active |
| 864 | Osc Automation Engineering 53151789J | Active |
| 865 | Oek Joo Hua Group 53100879K | Active |
| 866 | Onetech Productions 53097669B | Active |
| 867 | Ong Hock Kee And Company 06916800L | Active |
| 868 | Options Supplies & Services 52785200K | Active |
| 869 | Originalfook 53322365B | Active |
| 870 | Obg & Sons Pte Ltd 199507923E | Active |