| 3511 | Smartkey Technology Int'l Pte Ltd
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| 3512 | Saniton Ceramic Pte Ltd
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| 3513 | Sejong Engineering & Construction Pte. Limited
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| 3514 | Scaff Tech Engineering Pte. Ltd.
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| 3515 | Shun Yi Cheng Contract Engineering Pte Ltd
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| 3516 | Sum And Sim Sub Contractor
27632300M | 启用 |
| 3517 | Security Pro Telco Pte. Ltd.
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| 3518 | Seaview Transport & Trading
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| 3519 | Singapore Inkjet Infotech Pte. Ltd.
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| 3520 | Sysbuild Engineering & Construction Pte. Ltd.
200919931R | 启用 |
| 3521 | Sky Steel Pte. Ltd.
200911416C | 启用 |
| 3522 | Starlight Electric Pte. Ltd.
198302220R | 启用 |
| 3523 | S Interior K Design
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| 3524 | Seow Building Construction
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| 3525 | Steellent Pte. Ltd.
200900969R | 启用 |
| 3526 | Soon Lee Renovation & Electrical Contractors
53080035K | 启用 |
| 3527 | Sage Taxen Construction & Cleaning Pte. Ltd.
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| 3528 | Soon Tat Construction Engineering Private Limited
200915778H | 启用 |
| 3529 | Swiss Plan Construction Pte. Ltd.
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| 3530 | Soon Kiat Construction & Maintenance Pte Ltd
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| 3531 | Sas M & E Pte. Ltd.
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| 3532 | Svt Technologies Pte Ltd
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| 3533 | Syntech Construction & Engineering Pte. Ltd.
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| 3534 | Singaport Technologies Engineering Pte. Ltd.
200900376H | 启用 |
| 3535 | Stanford Aluminium Construction & Trading Co
30547200C | 启用 |
| 3536 | Suntech Building Services And Trading Pte Ltd
199106442R | 启用 |
| 3537 | Soe Engineering Pte. Ltd.
198802725C | 启用 |
| 3538 | Soon Geok Huat Renovation And Construction
53108019J | 启用 |
| 3539 | Sing Teck Construction Engineering Pte. Ltd.
200913135E | 启用 |
| 3540 | Silverplus Technology (s) Pte. Ltd.
200813012H | 启用 |