| 5821 | Old Street Bak Kut Teh (sh) Pte. Ltd. 201329625E | Active |
| 5822 | Otte Group Pte. Ltd. 201108128E | Active |
| 5823 | Odyssey Mobile Marketing Ltd T14UF1424H | Active |
| 5824 | Ong Koh Services 53316492C | Active |
| 5825 | Our Solution Pte. Ltd. 201112665R | Active |
| 5826 | Oton Private Limited 201535529N | Active |
| 5827 | One Cut Above Pte. Ltd. 201534415G | Active |
| 5828 | Oriental Supply And Trading Pte. Ltd. 201534232K | Active |
| 5829 | Online Store Ninjas Pte. Ltd. 201421745W | Active |
| 5830 | Oz Atelier Private Limited 201127803G | Active |
| 5831 | Ow Laundromat (chinatown) Pte. Ltd. 201507869G | Active |
| 5832 | Odoroki Studio 53316923B | Active |
| 5833 | Oro Global Services Pte. Ltd. 201015502W | Active |
| 5834 | Ocs Expat Services Pte. Ltd. 201023087G | Active |
| 5835 | Old Street (pl) Pte. Ltd. 201135495K | Active |
| 5836 | Oag Aviation Worldwide Limited T13UF3682E | Active |
| 5837 | Outsource&subcon 52999013W | Active |
| 5838 | Omarco Management Pte. Ltd. 201108425R | Active |
| 5839 | Omnium Gatherum Pte. Ltd. 201307602W | Active |
| 5840 | Ocean Topaz Pte. Ltd. 201524821R | Active |
| 5841 | Ocean Favor International Pte. Ltd. 201534396E | Active |
| 5842 | Onefurnish Pte. Ltd. 201534177C | Active |
| 5843 | Orange Inc Bookstores 53046827A | Active |
| 5844 | Orion Link Pte. Ltd. 201021706D | Active |
| 5845 | Ofs (oil Field Supplies) Pte. Ltd. 201022473M | Active |
| 5846 | Opt Holding, Inc. T13UF1301C | Active |
| 5847 | Orchid International Group Pte. Ltd. 201021723R | Active |
| 5848 | Ooi Transport 53316242D | Active |
| 5849 | Ok Sg 53295292L | Active |
| 5850 | Omni Offshore Terminals (operations) Pte. Ltd. 201107904R | Active |