| 1201 | Ong Siong Tong (tong San) Sam Kar Lau Chor Shih Taoism Religious Society, Singapore S78SS0040H | 启用 |
| 1202 | Ona2 Pte. Ltd. 201606468E | 启用 |
| 1203 | Operation Business & Industries Supply 36268400J | 启用 |
| 1204 | Oriental Carz Leasing 53313571X | 启用 |
| 1205 | Omis Engineering Pte. Ltd. 201507716R | 启用 |
| 1206 | Ong Boey Trading 35619900B | 启用 |
| 1207 | Open Doors Machinery Pte. Ltd. 201424143W | 启用 |
| 1208 | Orientco Performance Packaging Pte. Ltd. 201523193H | 启用 |
| 1209 | Old Outramians' Association, The S65SS0014C | 启用 |
| 1210 | Ocean Blue Seafoods Pte. Ltd. 201423540G | 启用 |
| 1211 | Old Engineering Apprentices Association, Singapore S69SS0004G | 启用 |
| 1212 | Orchid Hospitality Computer Systems & Services Pte. Ltd. 200312806C | 启用 |
| 1213 | Ofw Global Association 53309676J | 启用 |
| 1214 | Oversea Hong Ann Villagers' Association S61SS0048D | 启用 |
| 1215 | Ocean Swim 53282663M | 启用 |
| 1216 | One Stop Jewellery 53271328A | 启用 |
| 1217 | Ong Tong Wang & Co T04PF0839C | 启用 |
| 1218 | Owlissimo 53271380W | 启用 |
| 1219 | Omega Consulting And Management Services Pte. Ltd. 200303783N | 启用 |
| 1220 | Old Airport (mountbatten) Residents' Committee S80SS0218E | 启用 |
| 1221 | Obsessive Coffee Pte. Ltd. 201424237D | 启用 |
| 1222 | Offshore Manpower (singapore) Pte. Ltd. 201424322K | 启用 |
| 1223 | Oxford & Cambridge Society Of Singapore, The S61SS0028E | 启用 |
| 1224 | Othertwo Pte. Ltd. 201523104E | 启用 |
| 1225 | Oishi Anglers 53261459C | 启用 |
| 1226 | Orchid Society Of South East Asia, The (formerly Known As The Malaysian Orchid Society) S61SS0087F | 启用 |
| 1227 | Omen Rich Holding Pte. Ltd. 201414042N | 启用 |
| 1228 | Ortec Singapore Pte. Ltd. 201403307G | 启用 |
| 1229 | Oxygen Medium Ventures Private Ltd. 201600500W | 启用 |
| 1230 | Ohana Arts 53308782A | 启用 |