| 541 | Yokosin Marine Co Pte Ltd
198004533G | 启用 |
| 542 | Ysl Holdings Pte Ltd
198403265C | 启用 |
| 543 | Yoke Mah Plasterceil Pte. Ltd.
200909528D | 启用 |
| 544 | Ysh Pte Ltd
199303916M | 启用 |
| 545 | Yong Leng Trading Company
21519000M | 启用 |
| 546 | Yokosin Automation Pte. Ltd.
200702545N | 启用 |
| 547 | Yokogawa Engineering Asia Pte Ltd
199702061H | 启用 |
| 548 | Yong Metal Trading
52874548D | 启用 |
| 549 | Yangzijiang International (s) Pte Ltd
199803774R | 启用 |
| 550 | Yellowschoolbus.com Pte Ltd
200001545M | 启用 |
| 551 | Yinda Technology Singapore Pte. Ltd.
200303314W | 启用 |
| 552 | Y. H. H. Engineering Pte Ltd
198002069E | 启用 |
| 553 | Yee Hong Pte Ltd
197600657C | 启用 |
| 554 | Yenn Dar Pte Ltd
199602058H | 启用 |
| 555 | Yaw Eng Construction Pte Ltd
199105528N | 启用 |
| 556 | Yao Xing Pte. Ltd.
200209502G | 启用 |
| 557 | Yclee Construction Engineering Pte. Ltd.
201016782E | 启用 |
| 558 | Yeo Heng Electrical Works
34982200W | 启用 |
| 559 | Yao Peng Yam Construction
37602300K | 启用 |
| 560 | Yew Hing Construction & Renovation
53072008J | 启用 |
| 561 | Yap & Lu Plumbing Contractor
53173603B | 启用 |
| 562 | Y & B Plumbing & Sanitary Contractor
53058810B | 启用 |
| 563 | Y K Contractor
53021477J | 启用 |
| 564 | Ye Da Qiu Services & Renovation
53012483A | 启用 |
| 565 | Yang Ah Kang & Sons Private Limited
196800634E | 启用 |
| 566 | Yeqi Pte. Ltd.
200602152M | 启用 |
| 567 | Yam Keng Renovation Enterprise
50409900X | 启用 |
| 568 | Y & H Electrical Engineering
28550600E | 启用 |
| 569 | Yang Hao Construction
52817990W | 启用 |
| 570 | Yau Lee Construction (singapore) Pte. Ltd.
200721170Z | 启用 |