| 5131 | One United People
53184615J | Active |
| 5132 | Orchid Racing Promotions Pte. Ltd.
200800199N | Active |
| 5133 | One Solution Group Pte. Ltd.
200919489N | Active |
| 5134 | Offside Pte. Ltd.
200311694H | Active |
| 5135 | Orchard Health (2008) Pte. Ltd.
200802228C | Active |
| 5136 | Otigo Consulting Pte. Ltd.
201130980N | Active |
| 5137 | Om The Arts Centre Pte. Ltd.
200918288W | Active |
| 5138 | Overseas Chinese Investments Consulting Pte. Ltd.
201007255E | Active |
| 5139 | Offshore Hydraulics & Supply Pte. Ltd.
200812758K | Active |
| 5140 | Opes Services Pte. Ltd.
201118063E | Active |
| 5141 | Outshinerz Events Pte. Ltd.
201430219M | Active |
| 5142 | Omypay.com Pte. Ltd.
201216504D | Active |
| 5143 | Olgbeacon Providers
53206791J | Active |
| 5144 | Oasis Education Group Pte. Ltd.
200718661G | Active |
| 5145 | One Discovery Pte. Ltd.
201017857M | Active |
| 5146 | Onesight
T14UF0591L | Active |
| 5147 | Objective Eye Tracking Pte. Ltd.
201322027E | Active |
| 5148 | O2 Interior Pte. Ltd.
200716860M | Active |
| 5149 | Orthomed Pte. Ltd.
201220097W | Active |
| 5150 | One22 International Pte. Ltd.
201310225C | Active |
| 5151 | Oasis Medical Services Pte. Ltd.
200719807C | Active |
| 5152 | Oien As
T14UF0664H | Active |
| 5153 | One Synergy Trading Pte. Ltd.
201132757R | Active |
| 5154 | Oasis Park Pte. Ltd.
200718970M | Active |
| 5155 | Osaka Exchange, Inc. Singapore Branch
T15FC0050J | Active |
| 5156 | Open Forum Enterprise Pte. Ltd.
201535152W | Active |
| 5157 | Ottomen Limousine & Management Service Pte. Ltd.
201224544Z | Active |
| 5158 | Omnico Associates Pte. Ltd.
201510097K | Active |
| 5159 | Olynthos Pte. Ltd.
200719686D | Active |
| 5160 | Oasis Freight Solutions Pte. Ltd.
200717148H | Active |