| 1921 | Zest Photo & Trading
52998866J | Active |
| 1922 | Zeon Chemicals Singapore Pte. Ltd.
201027063D | Active |
| 1923 | Zion Fellowship Singapore Pte. Ltd.
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| 1924 | Zhangjiagang Haiguo Heavy Forged Piece Pte. Ltd.
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| 1925 | Zenus Autogloss Pte. Ltd.
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| 1926 | Zm It Serve Computer Services
53052493K | Active |
| 1927 | Ze Power Pte. Ltd.
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| 1928 | Zuyd International Pte. Ltd.
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| 1929 | Zheng Zhong Art Enterprise Pte. Ltd.
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| 1930 | Zye International Pte. Ltd.
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| 1931 | Zeea Pte. Ltd.
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| 1932 | Zhou's Academic Studio Pte. Ltd.
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| 1933 | Zounds Pte. Ltd.
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| 1934 | Zhong Zhong Ngoh Hiang Supply Pte. Ltd.
200104573C | Active |
| 1935 | Zi Teng Plumbing And Construction Pte. Ltd.
201024623K | Active |
| 1936 | Zeep Consulting
53308545D | Active |
| 1937 | Zrm Pte. Ltd.
200816751Z | Active |
| 1938 | Zocura Llp
T14LL2553B | Active |
| 1939 | Zeng Zong Acupressure
52837812X | Active |
| 1940 | Zacd (sennett) Pte. Ltd.
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| 1941 | Zendine Pte Ltd
199705129H | Active |
| 1942 | Zheng Feng Agarwood Trading Pte Ltd
199800721K | Active |
| 1943 | Zm Vending & Trading
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| 1944 | Zrr Enterprise Pte. Ltd.
201112763H | Active |
| 1945 | Z.h.e Safety Consultant Pte. Ltd.
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| 1946 | Zait Oil & Gas Pte. Ltd.
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| 1947 | Zealcity Studios Pte. Ltd.
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| 1948 | Zz Alliance (pte. Ltd.)
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| 1949 | Zag International Pte. Ltd.
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| 1950 | Zortel Pte. Ltd.
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