| 1801 | Ong Lim Express Pte Ltd 199400817D | Active |
| 1802 | Omega Specialty Ingredients Pte Ltd 199601603C | Active |
| 1803 | Olive Shipping International Pte. Ltd. 201535335N | Active |
| 1804 | Oph Orion Limited 199407007H | Active |
| 1805 | Oil States Industries (asia) Pte Ltd 199606178N | Active |
| 1806 | Octi Enterprise 53311068L | Active |
| 1807 | Orbea Pte. Ltd. 201323064Z | Active |
| 1808 | Ostrum Asset Management Asia Limited 199801044D | Active |
| 1809 | Organica Asia (pacific) Water Technologies Pte. Ltd. 201004480H | Active |
| 1810 | Omega Tours & Travel Pte. Ltd. 200409096Z | Active |
| 1811 | Osborne Project Delivery Services 53283144J | Active |
| 1812 | Oy Offshore Pte. Ltd. 201429097M | Active |
| 1813 | Omega 365 Nursing Pte. Ltd. 201437320R | Active |
| 1814 | Olive Tree Commodities Private Limited 201603552M | Active |
| 1815 | Opexprime Business Solutions Private Limited 201541463W | Active |
| 1816 | Omarco New Holdings Limited T11UF3225L | Active |
| 1817 | Okina Venture Pte Ltd 199308351D | Active |
| 1818 | One Pass Pte. Ltd. 201541625W | Active |
| 1819 | Orange Bugle Marketing Inc. T11UF3490D | Active |
| 1820 | Orchard Square Pte. Ltd. 201526564H | Active |
| 1821 | Optiemus Infracom Limited T11UF4026E | Active |
| 1822 | Ong Pacific Pte. Ltd. 199302017R | Active |
| 1823 | Omg (singapore) Pte Ltd 199306872Z | Active |
| 1824 | Oriental Gain Investments Limited T11UF4637G | Active |
| 1825 | Oww Ii Limited T11UF2436C | Active |
| 1826 | Omerin Asia Pte. Ltd. 199306957D | Active |
| 1827 | Opus Offshore Holdings Limited T11UF2924E | Active |
| 1828 | Olympia Corp. T11UF2440K | Active |
| 1829 | Oel (international) Limited T11UF3729E | Active |
| 1830 | Oilmaster Pte Ltd 199306890D | Active |