| 3121 | San Yu Adventist School
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| 3122 | Saatchi Lab
53098330C | Active |
| 3123 | Saft Power Systems Pte Ltd
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| 3124 | S*bio Pte Ltd
200004639G | Active |
| 3125 | S Y Wong Medical & Infectious Diseases Clinic Pte Ltd
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| 3126 | S C Graphic Technology Pte Ltd
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| 3127 | Sanyo Airconditioners Mfg (S) Pte Ltd
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| 3128 | S H Teoh Clinic & Surgery For Women
T07CM1426B | Active |
| 3129 | S E A Trading Co Pte Ltd
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| 3130 | Swift Electronic Engineers Pte Ltd
197500881Z | Active |
| 3131 | Supremes Industrial Suppliers Pte Ltd
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| 3132 | Sum Hup Electrical Industries Co
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| 3136 | Swees Engineering Co (Pte) Ltd
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| 3139 | Sl Metals Pte. Ltd.
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| 3140 | Ske Engineering (S) Pte Ltd
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| 3142 | Stm Ap (asia Pacific) Pte Ltd
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