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| 484 | Uf Technology
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| 486 | Uwa Engineering Pte Ltd
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| 487 | Utracon Infrastructure Pte. Ltd.
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| 488 | Unison Construction Pte. Ltd.
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| 489 | Uniquetech Pte. Ltd.
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| 490 | Uni Equipment & Engineering
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| 491 | Urbn Interiors Pte. Ltd.
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| 492 | Unify Engineering Services Pte. Ltd.
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| 493 | United Tiles And Stone Works Pte. Ltd.
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| 494 | United Works Pte. Ltd.
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| 495 | U Hup Roller Shutter & Engineering Works
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| 496 | Unitex Engineering Pte. Ltd.
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| 497 | Uv Resources Pte. Ltd.
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| 499 | Ulma Formwork Singapore Pte. Ltd.
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| 500 | Unix Building Material (s) Pte. Ltd.
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| 501 | United Sea Resources Pte. Ltd.
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| 502 | United Alliance Pte. Ltd.
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| 503 | Utica Private Limited
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| 504 | Uni Engineering Pte. Ltd.
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| 505 | Uis Asia Trading Pte. Ltd.
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| 506 | United Force Engineering Pte. Ltd.
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| 507 | Urban Wave Builder Pte. Ltd.
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| 508 | Upm Technology Pte. Ltd.
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| 509 | Uvw Building Services Pte. Ltd.
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| 510 | United Integrated Engineering Pte. Ltd.
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