| 6121 | Oval8 Ventures Pte. Ltd. 201523230N | 有効 |
| 6122 | Onmago Singapore Pte. Ltd. 201017114G | 有効 |
| 6123 | Oco Infocomm Pte. Ltd. 201527884N | 有効 |
| 6124 | Office Link Solutions Pte. Ltd. 201410530G | 有効 |
| 6125 | Orange Star Shipping Pte. Ltd. 201009184K | 有効 |
| 6126 | Orion Property Investment Pte. Ltd. 201006326R | 有効 |
| 6127 | Oil Trading Company Pte. Ltd. 201311063W | 有効 |
| 6128 | Oceanhub Shipping Pte. Ltd. 201014979E | 有効 |
| 6129 | Ozindo Mines Pte. Ltd. 201007104R | 有効 |
| 6130 | Orson Services 53186714E | 有効 |
| 6131 | Oasis Express 53178640D | 有効 |
| 6132 | Ojj Holdings Pte. Ltd. 201006211N | 有効 |
| 6133 | Organisation Development Network Singapore (odns) T12SS0122C | 有効 |
| 6134 | Oracle Consultancy Pte. Ltd. 201016837K | 有効 |
| 6135 | Osis Service Singapore Pte. Ltd. 201018051G | 有効 |
| 6136 | Olds Motor Co. Pte. Ltd. 201010904R | 有効 |
| 6137 | Open Book 53066839D | 有効 |
| 6138 | Ock Private Limited 201017120R | 有効 |
| 6139 | Ocbli Trade One Pte. Ltd. 201018654G | 有効 |
| 6140 | Old Punggol (198) Nasi Lemak Pte. Ltd. 201407634C | 有効 |
| 6141 | Ong Eng Seng Trading 43712300J | 有効 |
| 6142 | Oswald Maritime Services Pte. Ltd. 201011917W | 有効 |
| 6143 | Oldham Alpha Investments Pte. Ltd. 201407270K | 有効 |
| 6144 | Ong Gim Yong Building Contractor Pte. Ltd. 201407198H | 有効 |
| 6145 | Oxley Connections Pte. Ltd. 201006291R | 有効 |
| 6146 | Okh Development Pte. Ltd. 201009660N | 有効 |
| 6147 | Oss Services Pte. Ltd. 201537968E | 有効 |
| 6148 | Old School Delights Holdings Pte. Ltd. 201009656G | 有効 |
| 6149 | Onecloud Pte. Ltd. 201017996G | 有効 |
| 6150 | Ong Car Rental Pte. Ltd. 201501731H | 有効 |