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