| 661 | Zhi Ying Language School @ Yishun Pte. Ltd. 201106565H | 有効 |
| 662 | Ziontech Pte Ltd 199602130K | 有効 |
| 663 | Zen Healthcare International Pte. Ltd. 201530281W | 有効 |
| 664 | Ziwell Medical (s) Pte Ltd 199205273D | 有効 |
| 665 | Zeason Products Pte. Ltd. 199607908W | 有効 |
| 666 | Zingametall (s) Pte Ltd 199606878R | 有効 |
| 667 | Zen Voce Manufacturing Pte Ltd 199606407W | 有効 |
| 668 | Zenflex International Pte Ltd 199609022Z | 有効 |
| 669 | Zee Shan Impex Pte Ltd 199607233Z | 有効 |
| 670 | Zinly Pte. Ltd. 199305080W | 有効 |
| 671 | Zhong Jiang (singapore) International Pte Ltd 199307625R | 有効 |
| 672 | Zheng Guang Fa Pte Ltd 199306969W | 有効 |
| 673 | Zhejiang Jiangnan Industry & Trade Group Co., Ltd T10UF3494E | 有効 |
| 674 | Zakalex Investments Pte Ltd 199307584G | 有効 |
| 675 | Zac Resources Pte Ltd 199305823K | 有効 |
| 676 | Zeal Metaliks Private Limited T11UF0106L | 有効 |
| 677 | Zone Products & Services Ltd T10UF3528L | 有効 |
| 678 | Zecon Engineering Works Pte Ltd 199304549C | 有効 |
| 679 | Zheldortranssnab Pte Ltd 199304409R | 有効 |
| 680 | Zhongli Talesun Solar Co., Ltd. T11UF4012E | 有効 |
| 681 | Zoo Mobile Sdn. Bhd. T11UF4884D | 有効 |
| 682 | Zuari Global Limited T11UF5106K | 有効 |
| 683 | Zuellig Molecular Holdings Limited T11UF5118G | 有効 |
| 684 | Zenia Singapore Pte Ltd 199004234Z | 有効 |
| 685 | Zinchem Singapore Pte Ltd 199005794E | 有効 |
| 686 | Zaia Technology Pte. Ltd. 199005187W | 有効 |
| 687 | Zhone Technologies Pte Ltd 199003942R | 有効 |
| 688 | Zheng Zhi Investment & Trading Pte Ltd 199001654N | 有効 |
| 689 | Zhen He Construction Pte Ltd 199005821W | 有効 |
| 690 | Zouk Holdings Pte Ltd 199000488K | 有効 |