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| 1234 | Opulus Technology Llp
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| 1235 | Onecare Clinic Tampines Pte. Ltd.
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| 1236 | Ocean Grace Co. Pte Ltd
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| 1237 | Oceania Trading Company
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| 1238 | Ong Sam Bee Company
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| 1239 | Onn Fat Hong
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| 1240 | Omorfia Marval Pte. Ltd.
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| 1241 | Optimised Digital Pte. Ltd.
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| 1242 | Ong Kam Chwee Chinese Medical Hall
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| 1243 | O Chiang Electrical & Plumbing Contractor
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| 1244 | Outram Park Fried Kway Teow
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| 1245 | Orientals Cleaning Services
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| 1246 | Oak & Barrel Pte. Ltd.
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| 1247 | Oversea Driving Service
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| 1248 | Oilquip Supplies Company
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| 1249 | Odette Global Pte. Ltd.
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| 1250 | Olevelenglish.com
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| 1251 | Ong Kim Hin Vegetable Supplier
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| 1252 | Osaka Gas Engineering Co., Ltd. (singapore Branch)
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| 1253 | Origins Of Art Pte. Ltd.
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| 1254 | Ong Tian Sang (sembawang) Motor Repair
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| 1255 | Orchid Textiles
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| 1256 | Orchard Way Beauty Shop
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| 1257 | Oh Choo Sea School Bus Service
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| 1259 | Ong Kim Sun
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| 1260 | Optics Balzers Singapore Pte. Ltd.
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