| 661 | Yokogawa & Co., Ltd.
T07UF2711B | 启用 |
| 662 | Yuasa Corporation
T03UF0011H | 启用 |
| 663 | Yeh & Wells International
52881479J | 启用 |
| 664 | Yew Fa Product Enterprise
52934888L | 启用 |
| 665 | Yung Li Investments, Inc.
T08UF0942G | 启用 |
| 666 | Yong Beng Air Conditioning & Services
52872428B | 启用 |
| 667 | Yamakuni Iron Company Ltd
S75UF0063H | 启用 |
| 668 | Yeoh Kim Tian Investment Sdn Bhd
S66UF0004J | 启用 |
| 669 | Yangxin Guqin Society
T03SS0221L | 启用 |
| 670 | Ying & Yang Import/export N Distributor
52876834D | 启用 |
| 671 | Youth Horizons
T13SS0098F | 启用 |
| 672 | Yong Jia Electrical Contractor
52861970E | 启用 |
| 673 | Yl Services
52868846D | 启用 |
| 674 | Youth Entrepreneur Scholastic Fund (yes)
T05SS0030D | 启用 |
| 675 | Yong Kai Optical
52878215X | 启用 |
| 676 | Ying Kang Air Con Engineering
52865271X | 启用 |
| 677 | Ymc Holdings Co., Ltd.
T07UF2271L | 启用 |
| 678 | Yong Soon Seafood
52867337L | 启用 |
| 679 | Yuka Holdings Ltd
S88UF0048G | 启用 |
| 680 | Yew Tee Zone 9 Residents' Committee
T12SS0063F | 启用 |
| 681 | Yin Wah Household Product Enterprise
53236768E | 启用 |
| 682 | Youth Entrepreneurship And Value Education Society Singapore
T11SS0116K | 启用 |
| 683 | Youth Initiatives
T09SS0249H | 启用 |
| 684 | Y K S Insurance Agency
52870701M | 启用 |
| 685 | Yun Cai
T09SS0211C | 启用 |
| 686 | Yew Tee Zone 8 Residents' Committee
T12SS0074G | 启用 |
| 687 | Yudo (china) Holding Co Ltd
T07UF3941A | 启用 |
| 688 | Yew Tee Zone '12' Residents' Committee
T02SS0122L | 启用 |
| 689 | Yong Kian Printing
09892400A | 启用 |
| 690 | Young Ship (singapore)
T10SS0145B | 启用 |