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| 1862 | Pro Matrix Pte Ltd 200007857H | Active |
| 1863 | Power Works Pte. Ltd. 200207874H | Active |
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| 1874 | Plan Engineering Service Pte Ltd 199604647E | Active |
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| 1879 | Pf Engineering Pte Ltd 199701285K | Active |
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| 1882 | Perform Industries Pte. Ltd. 200409404C | Active |
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| 1888 | Pan Sin Engineering Pte Ltd 199906170W | Active |
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