| 661 | Yess Group Holdings Ltd.
T07UF2778D | 有効 |
| 662 | Yangtse Ventures
T07UF1693H | 有効 |
| 663 | Yungtay Engineering Company Limited
T07UF0050H | 有効 |
| 664 | Yishun Town Alumni
T04SS0278B | 有効 |
| 665 | Yu Feng Zhi Fu Cai Bo Xing Jun Miao
T04SS0018A | 有効 |
| 666 | Yi Learning Centre Pte. Ltd.
201605866E | 有効 |
| 667 | Yamaichi Shoji Co., Ltd
S83UF0054C | 有効 |
| 668 | Yangzheng (yeung Ching) Alumni
T03SS0109L | 有効 |
| 669 | Yayasan Sampoerna Ltd
T08UF0970H | 有効 |
| 670 | Yokogawa & Co., Ltd.
T07UF2711B | 有効 |
| 671 | Yuasa Corporation
T03UF0011H | 有効 |
| 672 | Yeh & Wells International
52881479J | 有効 |
| 673 | Yew Fa Product Enterprise
52934888L | 有効 |
| 674 | Yusoffian Alumni Association
T02SS0058L | 有効 |
| 675 | Yung Li Investments, Inc.
T08UF0942G | 有効 |
| 676 | Yye Goh & Associates
52878158L | 有効 |
| 677 | Yio Chu Kang Secondary School Alumni Association
T01SS0077J | 有効 |
| 678 | Yong Beng Air Conditioning & Services
52872428B | 有効 |
| 679 | Yamakuni Iron Company Ltd
S75UF0063H | 有効 |
| 680 | Yeoh Kim Tian Investment Sdn Bhd
S66UF0004J | 有効 |
| 681 | Yun Kai Martial Arts And Athletic Association
T02SS0032C | 有効 |
| 682 | Yangxin Guqin Society
T03SS0221L | 有効 |
| 683 | Yun Yang Dragon And Lion Dance Association (singapore)
T04SS0128H | 有効 |
| 684 | Ying & Yang Import/export N Distributor
52876834D | 有効 |
| 685 | Youth Horizons
T13SS0098F | 有効 |
| 686 | Yong Jia Electrical Contractor
52861970E | 有効 |
| 687 | Yl Services
52868846D | 有効 |
| 688 | Youth Entrepreneur Scholastic Fund (yes)
T05SS0030D | 有効 |
| 689 | Yong Kai Optical
52878215X | 有効 |
| 690 | Yc Meng & Associates
52867171E | 有効 |