| 991 | Okira Pte. Ltd. 201542671N | Active |
| 992 | Os And H Services 52815492C | Active |
| 993 | Okios Trust T06UF3194D | Active |
| 994 | Oscar's Cafe & Terrace 52819961K | Active |
| 995 | Ong Wee Chorng Vegetable 52834892B | Active |
| 996 | Oks Launch Service 52823982A | Active |
| 997 | Ob Limousine 53322688X | Active |
| 998 | Osm Technology 52826639W | Active |
| 999 | Opera Cafe 46820300A | Active |
| 1000 | Ow Chong Beng Vegetable Supplier 45775300E | Active |
| 1001 | Orimex Services 46138600C | Active |
| 1002 | Om Tech Resources 53040040E | Active |
| 1003 | Omi Renovation Contractor 47279200L | Active |
| 1004 | Open Text (asia) Pte. Ltd. 199706812W | Active |
| 1005 | Ong Soon Tat Trading 46996500B | Active |
| 1006 | Ong Hoe Lim Engineering Services 46425000E | Active |
| 1007 | Oleander Insurance Agency 46496000B | Active |
| 1008 | Ow Laundromat Bukit Merah Pte. Ltd. 201507859N | Active |
| 1009 | Orchidspura Cookies & Food Industries 46616400M | Active |
| 1010 | Orchard Optics 52856372J | Active |
| 1011 | Ordyca Unisex Hair & Beauty Saloon 46555000B | Active |
| 1012 | Omni Best Enterprise 47728500K | Active |
| 1013 | Offshore Corporate Services 46546900X | Active |
| 1014 | Omni Express Pte. Ltd. 201426181Z | Active |
| 1015 | One People.sg T08SS0160C | Active |
| 1016 | Omi Design & Build 53293627B | Active |
| 1017 | Omniyacht Pte. Ltd. 201600394G | Active |
| 1018 | Of Mouse And Men T08SS0229D | Active |
| 1019 | Orange Valley Properties Pte. Ltd. 201426675D | Active |
| 1020 | Ocean Going Trading 46783200E | Active |