| 1831 | Perfect Technology (s) Pte. Ltd. 200514843Z | Active |
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| 1833 | Plan Engineering Service Pte Ltd 199604647E | Active |
| 1834 | Petra Building & Construction Pte Ltd 200101151G | Active |
| 1835 | P S Resources (s) Pte Ltd 199905854C | Active |
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