| 3421 | Singa Airconditioning Pte Ltd 199500765N | Active |
| 3422 | Skilltech Aluminium Construction Pte. Ltd. 200504819H | Active |
| 3423 | Scimex Precision Engineering & Trading 37932300A | Active |
| 3424 | Sun Gee Travel Pte Ltd 198102038Z | Active |
| 3425 | Safety Products Specialist 34241000L | Active |
| 3426 | Sumitomo (shi) Cyclo Drive Asia Pacific Pte. Ltd. 199506757C | Active |
| 3427 | Seng Kong Production Pte Ltd 198502524K | Active |
| 3428 | S I Engineering Pte Ltd 199303457C | Active |
| 3429 | Springwell Marketing Services Pte Ltd 200004880C | Active |
| 3430 | Standard Engineering Company 08749600C | Active |
| 3431 | Sin Ee Sheng Import & Export 37341800X | Active |
| 3432 | Sunchia Industries Pte Ltd 198501533R | Active |
| 3433 | Sin Tiong Wah Int'l Pte Ltd
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| 3434 | Sin Express Services
| Active |
| 3435 | Sidtech Systems Pte. Ltd. 200916608C | Active |
| 3436 | Security Resources Llp T08LL0956L | Active |
| 3437 | Safety@work Consultancy Pte. Ltd. 200707409N | Active |
| 3438 | S.D. Partnership
| Active |
| 3439 | Sunshine Mist Technology Pte. Ltd. 200208330W | Active |
| 3440 | Setec Far East Pte Ltd 199202771E | Active |
| 3441 | Seal Maker Tuffi Pte Ltd
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| 3442 | Sandvik S E A Pte Ltd
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| 3443 | Starlight Stainless Steel Pte Ltd 200001478H | Active |
| 3444 | Siemens Pte. Ltd. 199605166D | Active |
| 3445 | Scanrite Systems Pte. Ltd. 200614101H | Active |
| 3446 | Samson Controls Pte Ltd 199400401G | Active |
| 3447 | Soon Kiat Thong Construction Pte Ltd 199206086R | Active |
| 3448 | Siac Pte Ltd 199100842R | Active |
| 3449 | Swanson Plastics (S'pore) Pte Ltd
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| 3450 | Supply Technologies Pte. Ltd. 200506532G | Active |