| 1021 | One Stop Solutions Centre 52064600B | Active |
| 1022 | Origins Dining & Catering 52867791L | Active |
| 1023 | Ocean Power Holdings Ltd T07UF1480L | Active |
| 1024 | Outlook Furnishing 52873365J | Active |
| 1025 | On Pedder 52835852M | Active |
| 1026 | Odia Society Of Singapore T12SS0035E | Active |
| 1027 | Onez Beauty Salon 52893560K | Active |
| 1028 | Ogano Essentials 53021758M | Active |
| 1029 | Opvs Investment Holdings Ltd T07UF2169E | Active |
| 1030 | Orchid B.c International Pte. Ltd. 201001971K | Active |
| 1031 | Orchard Cuscaden Road Learning Centre 53321613C | Active |
| 1032 | Opportunities Publications 50164700K | Active |
| 1033 | Os Halal Food 52819785A | Active |
| 1034 | Okira Pte. Ltd. 201542671N | Active |
| 1035 | Os And H Services 52815492C | Active |
| 1036 | Okios Trust T06UF3194D | Active |
| 1037 | Oscar's Cafe & Terrace 52819961K | Active |
| 1038 | Ong Wee Chorng Vegetable 52834892B | Active |
| 1039 | Oks Launch Service 52823982A | Active |
| 1040 | Ob Limousine 53322688X | Active |
| 1041 | Osm Technology 52826639W | Active |
| 1042 | Opera Cafe 46820300A | Active |
| 1043 | Obesity And Metabolic Surgery Society Of Singapore T11SS0035L | Active |
| 1044 | Ow Chong Beng Vegetable Supplier 45775300E | Active |
| 1045 | Our Church T13SS0029L | Active |
| 1046 | Orimex Services 46138600C | Active |
| 1047 | Om Tech Resources 53040040E | Active |
| 1048 | Omi Renovation Contractor 47279200L | Active |
| 1049 | Open Text (asia) Pte. Ltd. 199706812W | Active |
| 1050 | Ong Soon Tat Trading 46996500B | Active |