| 631 | Yi Ru Fa Fashion Trader 32554000D | Active |
| 632 | Yue Loy Trading 52942937C | Active |
| 633 | Yamada Business Management Co. Ltd. T07UF2839D | Active |
| 634 | Yong Chay Fish Merchant 06360200L | Active |
| 635 | Yong Hui Electrical Engineering Company 26519100M | Active |
| 636 | Yellow Valley Ltd. T07UF1251K | Active |
| 637 | Young Kids Child Care 52941925D | Active |
| 638 | Yong Sheng Huat Renovation Works 34331500M | Active |
| 639 | Yap Chai Lack Roasted Pig 52942595E | Active |
| 640 | You Jing School Bus Service 52951821W | Active |
| 641 | Yong Tai Chinese Medical Centre + Healthcare 52953234D | Active |
| 642 | Yue Xiang Mining Pte. Ltd. 201421461R | Active |
| 643 | Yinyang Australasia Pty. Ltd T07UF2861G | Active |
| 644 | Yamanaka Shokai Co., Ltd S91UF0504C | Active |
| 645 | Yuen Choon Fruits Trading 52955441X | Active |
| 646 | Yong Sheng Kopitiam 52954962W | Active |
| 647 | York Consulting Group (hk) Pte Ltd S92UF0030G | Active |
| 648 | Yong Yi Gong Association T05SS0222F | Active |
| 649 | Yap Seng Huat Seafood Supply 53000212D | Active |
| 650 | Y&w Computer Systems 52862830E | Active |
| 651 | Yi Kang Pte. Ltd. 200804652E | Active |
| 652 | Yugen Kaisha Kereos Property T07UF1687J | Active |
| 653 | Yong Services And Transport 53273867E | Active |
| 654 | Yi Cheng Sheng Tang T05SS0004F | Active |
| 655 | Yess Group Holdings Ltd. T07UF2778D | Active |
| 656 | Yangtse Ventures T07UF1693H | Active |
| 657 | Yungtay Engineering Company Limited T07UF0050H | Active |
| 658 | Yishun Town Alumni T04SS0278B | Active |
| 659 | Yu Feng Zhi Fu Cai Bo Xing Jun Miao T04SS0018A | Active |
| 660 | Yi Learning Centre Pte. Ltd. 201605866E | Active |