| 511 | Sherly Professional Beaute Care
52817906C | 启用 |
| 512 | S D Singh Company
10080700C | 启用 |
| 513 | Seng Kiat Construction Co
23088700K | 启用 |
| 514 | Stratagzy Private Limited
201500088K | 启用 |
| 515 | Sunshine Electrical & Plumbing Contractor
24511900X | 启用 |
| 516 | Surfolk Food Mart Centre
35612200W | 启用 |
| 517 | Sin Pek Hoe Stainless Steel Engineering
46293900J | 启用 |
| 518 | Skyfast Express Private Limited
200204206E | 启用 |
| 519 | Seng Company
04666100W | 启用 |
| 520 | Sgl Services
52989740K | 启用 |
| 521 | Sinpol Pte. Ltd.
201603710H | 启用 |
| 522 | Saber Technical Services & Supplies
52987567E | 启用 |
| 523 | Starise Auto Pte. Ltd.
201603784C | 启用 |
| 524 | Singtest Technology Pte. Ltd.
201604285R | 启用 |
| 525 | Super Million Electronic Traders
39130000L | 启用 |
| 526 | Sum Heng Furniture Company
06131600L | 启用 |
| 527 | Sci Investments V
T16UF7732E | 启用 |
| 528 | Sin Chong Goldsmith
05163500C | 启用 |
| 529 | S Ha Marine Services
53112773K | 启用 |
| 530 | Sparrow Global Air Services
53064115A | 启用 |
| 531 | Softedge Pte. Ltd.
200923090K | 启用 |
| 532 | Sybelle Fashion
22564200W | 启用 |
| 533 | Soon Hock Store
23395600W | 启用 |
| 534 | Sendex Plumbing Electrical Services
48077800X | 启用 |
| 535 | Singapore Fast Food Pte. Ltd.
201523012C | 启用 |
| 536 | Singapore Winfirst Pte. Ltd.
201604114C | 启用 |
| 537 | Sunrain Co
23870600A | 启用 |
| 538 | Sing Leong Signcrafts And Company
01776400M | 启用 |
| 539 | Soon Aik Renovation Works
33575000A | 启用 |
| 540 | Soon Guan Fishery Co
09008000M | 启用 |