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| 512 | Apex Smt Llp
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| 515 | Abs (s) Engineering Pte. Ltd.
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| 517 | Asia Time Marketing
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| 521 | Aa Plaza Llp
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| 522 | A&b Electrical Lighting Service
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| 523 | Advance Wire Cut Enterprise
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| 524 | Ah Hwee Motor Repairer
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| 525 | Ai Lee Tailor
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| 532 | Artistics Furniture
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| 535 | Augmented Heuristics Llp
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| 536 | Affinity Creation Private Limited
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| 537 | Ang Mo Kio Medical Hall
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| 538 | Ang Chin Moh Kheng Kee Undertakers
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| 539 | Asean+3 Macroeconomic Research Office
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