| 1261 | Outsourcing Enterprises Pte. Ltd. 201422757H | Active |
| 1262 | Olisof Technology Bv Limited T14UF3224H | Active |
| 1263 | Ong Chin Chuan Newspaper Distributor 34550500W | Active |
| 1264 | Orchard Pharmacy (private) Limited 196900676C | Active |
| 1265 | Orchard Court Owners' Association S78SS0025L | Active |
| 1266 | Oh Teck Huat Civil Engineering Construction & Plumbing 34858600X | Active |
| 1267 | Oryx Supplies Pte. Ltd. 201304894N | Active |
| 1268 | Old Frees' Association, Singapore, The S62SS0066E | Active |
| 1269 | Og Advertising 28517200W | Active |
| 1270 | Operational Research Society Of Singapore S75SS0051E | Active |
| 1271 | Oje Pte. Ltd. 201528746G | Active |
| 1272 | Oliver Hair And Beauty Saloon 33117000X | Active |
| 1273 | Ong Hock Chye Trading 32951300A | Active |
| 1274 | Oon Hoe Renovation & Trading 33269700B | Active |
| 1275 | Ome Photography Llp T16LL0164A | Active |
| 1276 | Oddo Meriten Asset Management Sa T13UF0270E | Active |
| 1277 | O Smile Shoes 27298600C | Active |
| 1278 | Oceanic Maintenance Services 53320879C | Active |
| 1279 | Ong Hai Kiong Co 27379900B | Active |
| 1280 | One Heart Investment Pte. Ltd. 201602942C | Active |
| 1281 | Optimal Plus Ltd T07UF2902H | Active |
| 1282 | Old Rafflesians' Association S67SS0003A | Active |
| 1283 | Opal Renovation Contractor 26074300C | Active |
| 1284 | Oak3 Enterprise Pte. Ltd. 201600702H | Active |
| 1285 | Oh Kang Lam Provision Shop 25155800B | Active |
| 1286 | O K Motor And Trading Co 25183200K | Active |
| 1287 | Old Lady Florist 33725400A | Active |
| 1288 | Ojo Optometrist 53331594L | Active |
| 1289 | Oh Kok Ann 53334768L | Active |
| 1290 | Oh My Glass 53180366W | Active |