| 1621 | Ornametal Arts Private Limited 201537150H | Active |
| 1622 | Oakwood Holdings, Llc S97UF0357J | Active |
| 1623 | Ogilvy Phuel 53062226B | Active |
| 1624 | Otm Shipping Pte. Ltd. 200512803R | Active |
| 1625 | Olvgem International 53060707K | Active |
| 1626 | Objective Consulting Pte. Ltd. 201537333E | Active |
| 1627 | Ozer Trading 53227325K | Active |
| 1628 | Ovf Enterprise 53059579J | Active |
| 1629 | On Ramp Wireless, Inc T10UF2075C | Active |
| 1630 | Outernet Solutions Pte. Ltd. 201023988H | Active |
| 1631 | Od 205 (singapore) Pte. Ltd. 197501799C | Active |
| 1632 | Office Partners International Company Limited S97UF0477K | Active |
| 1633 | One Key Resources Pte. Ltd. 201606036G | Active |
| 1634 | Ocean Island Holdings Limited S97UF0360J | Active |
| 1635 | Opticon Instruments & Services 53073936D | Active |
| 1636 | Oasis Homemaker & Design Furniture 53062990M | Active |
| 1637 | Orchidsingapore.com 53081421L | Active |
| 1638 | Oberoi Services International Limited S88UF0389G | Active |
| 1639 | Office Services & Maintenance 53045220X | Active |
| 1640 | Omega Training Connection 53070690C | Active |
| 1641 | Ogikubo Tool & Dies Mfg Co Ltd T08UF0350H | Active |
| 1642 | Overseas Union Finance Berhad T08UF0839E | Active |
| 1643 | Onfirst Co., Ltd T08UF1458B | Active |
| 1644 | Omron Corporation S88UF0351B | Active |
| 1645 | Oce N.v. S94UF0475C | Active |
| 1646 | Ok International 53047647M | Active |
| 1647 | Ocean Aluminium Contractor 53075487L | Active |
| 1648 | Osmosis Ventures Pte. Ltd. 200810254C | Active |
| 1649 | Overton International 53043394W | Active |
| 1650 | Ocean Tree 53079765L | Active |