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| 1893 | Heng Tat Lee Building Construction
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| 1895 | Hainan International Pte. Ltd.
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| 1897 | H T Electric Pte. Ltd.
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| 1901 | Heng Chiang Construction Pte. Ltd.
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| 1907 | Hot Spring Stone Pte. Ltd.
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| 1913 | Hoong Huat Engineering Works Pte. Ltd.
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| 1915 | Heptacon Construction Pte. Ltd.
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| 1916 | Hock Hwa Builders Pte. Ltd.
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| 1917 | Hanako Construction Pte. Ltd.
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| 1918 | Haru Engineering Pte. Ltd.
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| 1920 | Hup Rich Engineering Pte. Ltd.
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