| 4201 | Onesto Agency 52948520J | Aktif |
| 4202 | Ocha Paradise 52949356W | Aktif |
| 4203 | Originaire 53150662B | Aktif |
| 4204 | Optima Energy Asia Limited T08UF2385G | Aktif |
| 4205 | Oxford Advisory Services T08UF1129K | Aktif |
| 4206 | Okuda Optical Co Ltd S73UF0171B | Aktif |
| 4207 | Orchard Employment Agency 52960425J | Aktif |
| 4208 | Oddhat Design & Books 53186217L | Aktif |
| 4209 | Ontosms Communications 52962065X | Aktif |
| 4210 | Oriental Eclecticism 52960165J | Aktif |
| 4211 | O.a.s. Electrical Contractors 52926760L | Aktif |
| 4212 | Ong's Consultancy & Trading 52961597E | Aktif |
| 4213 | Ocean Solutions 52925233C | Aktif |
| 4214 | One Fm91.3 52948180D | Aktif |
| 4215 | Osmos Beauty & Nail Concepts 53001865M | Aktif |
| 4216 | Orient Marine Offshore Pte. Ltd. 200706044R | Aktif |
| 4217 | Oddtober 53051352L | Aktif |
| 4218 | Oasia Hotel Downtown, Singapore 53214173C | Aktif |
| 4219 | Odela Pte. Ltd. 200609534C | Aktif |
| 4220 | Odb Pte. Ltd. 200100368H | Aktif |
| 4221 | Orientalys 53069486K | Aktif |
| 4222 | Ocean Bluez Hairstylist 53080480L | Aktif |
| 4223 | Orchid Exchange 53189597A | Aktif |
| 4224 | Ong Chye Air Con Service 53063035D | Aktif |
| 4225 | Orangetree Investments Pte. Ltd. 200823597R | Aktif |
| 4226 | Oki Ma 53139013J | Aktif |
| 4227 | Oaktree Asia Special Situations Fund, L.p. T08UF0761F | Aktif |
| 4228 | Oon Koon Sing Trading 53085012E | Aktif |
| 4229 | Omnitoons Pte. Ltd. 200718151C | Aktif |
| 4230 | Offshore Utilities Management Ltd T07UF3860B | Aktif |