| 571 | Women's Clinic Of S'pore
| 启用 |
| 572 | Winter Int'l Group Pte Ltd
| 启用 |
| 573 | Wing Yap Glass Construction 48588200X | 启用 |
| 574 | Wing Loong Industries Pte Ltd. 197200626W | 启用 |
| 575 | Wincraft 24114600C | 启用 |
| 576 | Wee Wee Laundry Service 52969830K | 启用 |
| 577 | Wee Soon Teck Albert Dr
| 启用 |
| 578 | Wealthgate International Trading Pte Ltd 199503446E | 启用 |
| 579 | Wason Pte. Ltd. 197601836K | 启用 |
| 580 | Wascolux Self Service Center 35302900M | 启用 |
| 581 | Wang Fu Industry (pte) Ltd 198101862M | 启用 |
| 582 | Woon Brothers Pte Ltd 199401303K | 启用 |
| 583 | Woleco Hotel Supplies Pte Ltd 198600074M | 启用 |
| 584 | Wisma Electrical Engineering Services 41882900D | 启用 |
| 585 | Window To The Past Pte Ltd 196800553E | 启用 |
| 586 | Wing Teck Pawnshop Pte Ltd 199200034M | 启用 |
| 587 | Word Image Pte Ltd 199206220D | 启用 |
| 588 | Wong Thomas & Leong 53130817X | 启用 |
| 589 | Wilson Cables Private Limited 197401983H | 启用 |
| 590 | Wheels For Fun Pte Ltd 198904804R | 启用 |
| 591 | Whitney Planner
| 启用 |
| 592 | Wei Cian Foods Pte Ltd 199706644H | 启用 |
| 593 | Wellbond Mfg Services Pte Ltd
| 启用 |
| 594 | Wee Tiong (s) Pte Ltd 199308567K | 启用 |
| 595 | Water Engineers S'pore Pte Ltd
| 启用 |
| 596 | Wong Meng Yeong Henry Dr
| 启用 |
| 597 | Women's Specialist Associates
| 启用 |
| 598 | Winzone Engineering (s) Pte. Ltd. 200712955D | 启用 |
| 599 | Wing Seong Fatty's (albert) Restaurant Pte Ltd 199902680W | 启用 |
| 600 | Wine Universe (S'pore) Pte Ltd
| 启用 |