| 3001 | Oneeka (private) Limited 200906614M | Active |
| 3002 | Onedot Solutions Pte. Ltd. 200909457R | Active |
| 3003 | Order Fulfillment Centre (ofc) Pte. Ltd. 201533058R | Active |
| 3004 | Oc Beauty Pte. Ltd. 200909535D | Active |
| 3005 | Ottimo Tech Pte. Ltd. 201532613C | Active |
| 3006 | Orgrainics Trading Firm Llp T15LL1384A | Active |
| 3007 | Orio Pte. Ltd. 201532608D | Active |
| 3008 | Ouya Global Pte. Ltd. 201532751E | Active |
| 3009 | Osteria Italia Pte. Ltd. 201015918N | Active |
| 3010 | One Thomson Pte. Ltd. 200908689H | Active |
| 3011 | Oriental Ice Bistro Llp T15LL1415H | Active |
| 3012 | O & C Consulting Pte. Ltd. 201018047Z | Active |
| 3013 | Onefast Solutions Pte. Ltd. 200906934C | Active |
| 3014 | October 12 Pte. Ltd. 201018883D | Active |
| 3015 | Oasis Coffee House Pte. Ltd. 200906440W | Active |
| 3016 | Ocean Divers 53211540J | Active |
| 3017 | Orchard Surgery Center Pte. Ltd. 200906488R | Active |
| 3018 | Omni Containers Solutions Pte. Ltd. 200906266Z | Active |
| 3019 | One More Drink Pte. Ltd. 200906408N | Active |
| 3020 | Orange Coach Pte. Ltd. 200908797N | Active |
| 3021 | Op3 Investments Pte. Ltd. 200906227Z | Active |
| 3022 | Omnifluence Pte. Ltd. 201109173K | Active |
| 3023 | Ois Pte. Ltd. 201019110R | Active |
| 3024 | Octopi Enterprise 53024924C | Active |
| 3025 | Omzyn Cake Confectionery 53049776W | Active |
| 3026 | One World Maritime Pte. Ltd. 201018136K | Active |
| 3027 | Ontonix Singapore 53027267M | Active |
| 3028 | Opt Solutions Pte. Ltd. 201019864E | Active |
| 3029 | One Metal Resources Pte. Ltd. 200908826H | Active |
| 3030 | Ocean Power Engineering & Offshore Pte. Ltd. 201110102C | Active |