| 1651 | Open Solutions International, Inc. T08UF1452D | Active |
| 1652 | O & G Asia Pacific Holdings 53078645A | Active |
| 1653 | Ong & T. T. Trading Pte. Ltd. 201605951M | Active |
| 1654 | One.tel B.v. S98UF0348E | Active |
| 1655 | Ocean Ally Investments Limited T10UF2236E | Active |
| 1656 | One Estate Solution 53319807X | Active |
| 1657 | Oceanic Swiwar Limited T10UF2041D | Active |
| 1658 | Omnibond Technologies 53319816W | Active |
| 1659 | Orchard Investment Holdings Pte. Ltd. 199406503C | Active |
| 1660 | Om Commercial Iii Pte. Ltd. 201538148Z | Active |
| 1661 | Overby Stallings Holdings Pty Ltd T10UF0051E | Active |
| 1662 | O & G Clinic Pte Ltd 199406875R | Active |
| 1663 | Oyp Services Pte Ltd 199901082R | Active |
| 1664 | Oakridge Investments Pte. Ltd. 200617205R | Active |
| 1665 | Olive Bakery @ Sengkang Pte. Ltd. 201611365N | Active |
| 1666 | Outrigger Asia Limited T10UF1030A | Active |
| 1667 | Orange Business Services Singapore Pte. Ltd. 199505973R | Active |
| 1668 | Ohyama Chemicals Asia Pte. Ltd. 201538137R | Active |
| 1669 | One Logis Pte. Ltd. 200604287M | Active |
| 1670 | Ottis Holding, Inc. T10UF0943K | Active |
| 1671 | Oal Group Pte. Ltd. 201538338R | Active |
| 1672 | Octo Jet Beauty Spa & Hair Saloon Pte. Ltd. 200911924E | Active |
| 1673 | One Pit Stop 53032259E | Active |
| 1674 | Orchid Asset Management Pte. Ltd. 201110969K | Active |
| 1675 | Orangekloud Pte. Ltd. 201531332R | Active |
| 1676 | Origin Hak Media Pte. Ltd. 201112340M | Active |
| 1677 | Oasis Coaching & Consulting Pte. Ltd. 201604021G | Active |
| 1678 | Orchardgateway Private Limited 201010069R | Active |
| 1679 | Optimal Processes & Security Pte. Ltd. 201116849H | Active |
| 1680 | Oriental Overseas Management Consultancy Pte. Ltd. 200821598N | Active |