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| 542 | S Ha Marine Services
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| 543 | Sparrow Global Air Services
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| 544 | Singapore Nan Ann Mutual Help Association
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| 545 | Softedge Pte. Ltd.
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| 546 | Sybelle Fashion
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| 547 | Soon Hock Store
23395600W | 启用 |
| 548 | Sendex Plumbing Electrical Services
48077800X | 启用 |
| 549 | Singapore Fast Food Pte. Ltd.
201523012C | 启用 |
| 550 | Singapore Winfirst Pte. Ltd.
201604114C | 启用 |
| 551 | Sunrain Co
23870600A | 启用 |
| 552 | Sing Leong Signcrafts And Company
01776400M | 启用 |
| 553 | Soon Aik Renovation Works
33575000A | 启用 |
| 554 | Soon Guan Fishery Co
09008000M | 启用 |
| 555 | Sentosa Co
07907000X | 启用 |
| 556 | Splash Interactive Pte. Ltd.
200000312R | 启用 |
| 557 | Sen Lee Textiles Co
06543500A | 启用 |
| 558 | Sze Chin Coffee Powder Company
24952300X | 启用 |
| 559 | Stro Trading Pte. Ltd.
201436198G | 启用 |
| 560 | Sino Bliss Limited
T16UF1155A | 启用 |
| 561 | Simplex Fire & Security
52991190J | 启用 |
| 562 | Siow Wuu Wood Works
20096900E | 启用 |
| 563 | Speed Trac Logistics
53218338W | 启用 |
| 564 | Soon Chai Mini Market
48396300C | 启用 |
| 565 | Straits Diesel
53327127D | 启用 |
| 566 | Shenton Properties Pte. Ltd.
201310970M | 启用 |
| 567 | Saphorin Pte. Ltd.
201524202N | 启用 |
| 568 | Sme Alliance Llp
T15LL0853J | 启用 |
| 569 | Super Autoparts Pte. Ltd.
201603629E | 启用 |
| 570 | Sin Hun Ming
05689100L | 启用 |