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| 632 | Yong Hui Electrical Engineering Company
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| 633 | Yellow Valley Ltd.
T07UF1251K | Active |
| 634 | Young Kids Child Care
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| 635 | Yong Sheng Huat Renovation Works
34331500M | Active |
| 636 | Yap Chai Lack Roasted Pig
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| 637 | You Jing School Bus Service
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| 638 | Yong Tai Chinese Medical Centre + Healthcare
52953234D | Active |
| 639 | Yue Xiang Mining Pte. Ltd.
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| 640 | Yinyang Australasia Pty. Ltd
T07UF2861G | Active |
| 641 | Yamanaka Shokai Co., Ltd
S91UF0504C | Active |
| 642 | Yuen Choon Fruits Trading
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| 643 | Yong Sheng Kopitiam
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| 644 | York Consulting Group (hk) Pte Ltd
S92UF0030G | Active |
| 645 | Yap Seng Huat Seafood Supply
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| 646 | Y&w Computer Systems
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| 647 | Yi Kang Pte. Ltd.
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| 648 | Yugen Kaisha Kereos Property
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| 649 | Yong Services And Transport
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| 650 | Yi Cheng Sheng Tang
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| 651 | Yess Group Holdings Ltd.
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| 652 | Yangtse Ventures
T07UF1693H | Active |
| 653 | Yungtay Engineering Company Limited
T07UF0050H | Active |
| 654 | Yu Feng Zhi Fu Cai Bo Xing Jun Miao
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| 655 | Yi Learning Centre Pte. Ltd.
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| 656 | Yamaichi Shoji Co., Ltd
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| 657 | Yayasan Sampoerna Ltd
T08UF0970H | Active |
| 658 | Yokogawa & Co., Ltd.
T07UF2711B | Active |
| 659 | Yuasa Corporation
T03UF0011H | Active |
| 660 | Yeh & Wells International
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