| 541 | Win Sin (pte) Ltd.
197300974G | 启用 |
| 542 | Westcomb Financial Group Ltd
| 启用 |
| 543 | Wenyang Sports Association
| 启用 |
| 544 | Weepaul Design Consultants Pte Ltd
198703916C | 启用 |
| 545 | Weektek Garment Co
| 启用 |
| 546 | Welltech Technologies S'pore
| 启用 |
| 547 | Wecom Engineering Pte. Ltd.
199003980E | 启用 |
| 548 | Watson E P Industries Pte Ltd
| 启用 |
| 549 | Welcome Real Time (aspac) Pte. Ltd.
199700237M | 启用 |
| 550 | Wywy Wireless Pte Ltd
| 启用 |
| 551 | Worldwide Investigation & Protection Pte Ltd
| 启用 |
| 552 | Woody Antique House
52945183B | 启用 |
| 553 | World Of Jj Pte Ltd
| 启用 |
| 554 | Wing Classic Enterprise
52881172W | 启用 |
| 555 | Whites D'zigno Pte. Ltd.
200500339R | 启用 |
| 556 | Welcare Student Care Centre
T02SS0141C | 启用 |
| 557 | Wealth Metal Pte Ltd
199703796Z | 启用 |
| 558 | Warren Khoo Arbitration Chambers
53035530B | 启用 |
| 559 | Wts Travel & Tours Pte Ltd
198900083E | 启用 |
| 560 | Woody Teak Collection
52990518C | 启用 |
| 561 | World O' Kidz (pte.) Ltd.
200821043D | 启用 |
| 562 | World Square
52921281A | 启用 |
| 563 | Wong May Ling Dr
| 启用 |
| 564 | Women's Centre
| 启用 |
| 565 | Wong Soon Tee Dr
| 启用 |
| 566 | Workplace Safety & Health Council
| 启用 |
| 567 | Wong Coco Pte Ltd
199407504H | 启用 |
| 568 | Wing Siang Long Pte Ltd
199600015M | 启用 |
| 569 | Window Cool Sunshade Products
52890499W | 启用 |
| 570 | Will-san Enterprise
| 启用 |