| 541 | Singapore Winfirst Pte. Ltd. 201604114C | Active |
| 542 | Sunrain Co 23870600A | Active |
| 543 | Sing Leong Signcrafts And Company 01776400M | Active |
| 544 | Soon Aik Renovation Works 33575000A | Active |
| 545 | Soon Guan Fishery Co 09008000M | Active |
| 546 | Sentosa Co 07907000X | Active |
| 547 | Splash Interactive Pte. Ltd. 200000312R | Active |
| 548 | Sen Lee Textiles Co 06543500A | Active |
| 549 | Sze Chin Coffee Powder Company 24952300X | Active |
| 550 | Stro Trading Pte. Ltd. 201436198G | Active |
| 551 | Sino Bliss Limited T16UF1155A | Active |
| 552 | Simplex Fire & Security 52991190J | Active |
| 553 | Siow Wuu Wood Works 20096900E | Active |
| 554 | Speed Trac Logistics 53218338W | Active |
| 555 | Soon Chai Mini Market 48396300C | Active |
| 556 | Straits Diesel 53327127D | Active |
| 557 | Shenton Properties Pte. Ltd. 201310970M | Active |
| 558 | Saphorin Pte. Ltd. 201524202N | Active |
| 559 | Sme Alliance Llp T15LL0853J | Active |
| 560 | Super Autoparts Pte. Ltd. 201603629E | Active |
| 561 | Sin Hun Ming 05689100L | Active |
| 562 | Shui Hing Departmental Store 20149500K | Active |
| 563 | S.b.h. Hair & Beauty Saloon 53013962J | Active |
| 564 | Self Storage Concepts Pte. Ltd. 201201519K | Active |
| 565 | Sin Yee Fashion 38880000C | Active |
| 566 | Stichting Depositary Pggm Private Real Estate Fund T13UF3398B | Active |
| 567 | Shou Teck 53210957X | Active |
| 568 | Sk Stars 53038590B | Active |
| 569 | Supreme Financial (2016) Pte. Ltd. 201601225K | Active |
| 570 | Sun Production Pte. Ltd. 201524205G | Active |