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| 1928 | Mph Cranes (far East) Pte. Ltd. 200509231C | Active |
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| 1930 | Mandarin Frp & Contracts Pte. Ltd. 199400251C | Active |
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| 1937 | M.d. Construction Engineering Pte. Ltd. 200902547D | Active |
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| 1939 | M E Energetics Pte. Ltd. 200311628D | Active |
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| 1943 | M+w Singapore Pte. Ltd. 199507493C | Active |
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