| 691 | Natferrous Pte Ltd
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| 692 | National Healthcare Group Polyclinics 52929305J | Active |
| 693 | Natural Reflex & Beauty Therapy Centre
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| 694 | National Neuroscience Institute Of Singapore Pte Ltd 199801559D | Active |
| 695 | Neighbourhood Medical Clinic Pte Ltd 199205798R | Active |
| 696 | Neighbourhood Locksmith Service 52940437X | Active |
| 697 | Natsteel Ltd
| Active |
| 698 | Natrad Food Pte Ltd
| Active |
| 699 | Nam Leong Co Pte. Ltd. 195800019C | Active |
| 700 | Neecare Medical Centre 53135725B | Active |
| 701 | Nav Marine Pte. Ltd. 200507980D | Active |
| 702 | National University Of S'pore
| Active |
| 703 | Nassim Link Int'l Pte Ltd
| Active |
| 704 | Nbda Asia Pte. Ltd. 200719004M | Active |
| 705 | Netherlands Foreign Investment Agency
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| 706 | Natural Vision Centre Pte. Ltd. 200402369D | Active |
| 707 | Nanyang Inc Pte. Ltd. 200609141D | Active |
| 708 | National Healthcare Group Pte Ltd 200002150H | Active |
| 709 | National Dental Centre
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| 710 | National Cancer Centre Of S'pore Pte Ltd
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| 711 | Nanyang Environment & Water Research Institute
| Active |
| 712 | National Skin Centre (singapore) Pte Ltd 198801862W | Active |
| 713 | National Safety Council Of S'pore
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| 714 | Nam Wan Tea Co Pte Ltd
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| 715 | Northrop Grumman Electronic Systems Int'l Inc
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| 716 | Nightingale Elite Business Entertainment & Promotions
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| 717 | New Modern Metal & Plastics Pte. Ltd. 197903279K | Active |
| 718 | Noritsu (S) Pte Ltd
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| 719 | Nien Lock & Safe Services 45548000A | Active |
| 720 | Ng Teong Soon Consulting Engineer 53362323E | Active |