| 4411 | Sunstrong International Pte. Ltd. 200007242N | Active |
| 4412 | Shengzhan Engineering & Pure Water Works (1996) Pte Ltd 199702365R | Active |
| 4413 | Solar Green Enterprise Pte. Ltd. 200000397M | Active |
| 4414 | Starburst Engineering Pte Ltd 199906179R | Active |
| 4415 | Shining Development Pte Ltd 199904442M | Active |
| 4416 | Siwali Engineering Pte Ltd 199805237W | Active |
| 4417 | Smf Contract Services Pte Ltd 199804037M | Active |
| 4418 | Soon Soon Lee Construction Pte Ltd 199604250D | Active |
| 4419 | Sin Jit Seng Building Construction Pte. Ltd. 199408277D | Active |
| 4420 | Sam Leck Metal Works Pte Ltd 199802462C | Active |
| 4421 | Stallion Development Pte Ltd 199708150W | Active |
| 4422 | Sunway Concrete Products (s) Pte Ltd 199409213Z | Active |
| 4423 | St Electronics (satcom & Sensor Systems) Pte. Ltd. 199103901W | Active |
| 4424 | Sharitaze Construction Pte Ltd 199202374Z | Active |
| 4425 | Socomec Asia Pacific Pte. Ltd. 198703243E | Active |
| 4426 | Siong Yu Seng Construction Pte Ltd 198602848G | Active |
| 4427 | S & T Construction Pte Ltd 199306162E | Active |
| 4428 | Secular Engineering & Construction Pte Ltd 198903002C | Active |
| 4429 | Synthesis Systems Pte Ltd 198903682K | Active |
| 4430 | San Lim Transport & Construction Pte Ltd 198802559N | Active |
| 4431 | Shenaz Trading Pte Ltd 198700311K | Active |
| 4432 | Sigma Elevator Singapore Pte. Ltd. 199706678K | Active |
| 4433 | St Electronics (data Centre Solutions) Pte. Ltd. 199103371Z | Active |
| 4434 | Step One Pte. Ltd. 199407557E | Active |
| 4435 | Swee Huat Heng Engineering Pte Ltd 199105545G | Active |
| 4436 | Smiths Detection (asia Pacific) Pte. Ltd. 199500253G | Active |
| 4437 | Sentron Engineering (s) Pte Ltd 199307714G | Active |
| 4438 | Symbuild Engineering Pte Ltd 199606413G | Active |
| 4439 | Soon Lee Construction Pte Ltd 199602000W | Active |
| 4440 | Success Construction Pte Ltd 199500011E | Active |