| 3931 | Sin Homda Engineering & Construction Pte. Ltd.
200814136H | 启用 |
| 3932 | Singapore Engineering Services Private Limited
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| 3933 | Sat Air Cond. & Electrical Engineering
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| 3934 | Sing Fu Seng Building Construction Pte. Ltd.
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| 3935 | San Wei Construction Pte. Ltd.
200908806D | 启用 |
| 3936 | Smart Tech Solutions Pte. Ltd.
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| 3937 | Sun Facilities Services Pte. Ltd.
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| 3938 | Song Speed Renovation Construction
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| 3939 | Seres Hvac Engineering Pte Ltd
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| 3940 | Suhai Sin Construction & Engineering Pte Ltd
199804267Z | 启用 |
| 3941 | Speedy Engineering Works
42379100A | 启用 |
| 3942 | Swift Team Engineering And Construction Services
52827524X | 启用 |
| 3943 | Singyes Engineering (s) Pte. Ltd.
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| 3944 | South Construction Pte Ltd
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| 3945 | Synergy Building Services Pte. Ltd.
200910536E | 启用 |
| 3946 | Siong Heng Construction
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| 3947 | Soon Sheng Engineering Pte. Ltd.
200812032W | 启用 |
| 3948 | Synergy Drive Engineering
53100135X | 启用 |
| 3949 | Seng Yew Scaffolding & Engineering Pte. Ltd.
200903506W | 启用 |
| 3950 | Sing Ming Engineering
52928328W | 启用 |
| 3951 | Sanyi Engineering Pte. Ltd.
200822488D | 启用 |
| 3952 | Scare Crow Contractor
52937677J | 启用 |
| 3953 | Sin Hong Ji Engineering Pte. Ltd.
200818698E | 启用 |
| 3954 | Shanghoe Engineering Pte. Ltd.
200815726Z | 启用 |
| 3955 | Shinneo Project Services
53134307C | 启用 |
| 3956 | Steeltech Engineering And Constructions
53050975W | 启用 |
| 3957 | S Lite (m & E) Engineering
53047728M | 启用 |
| 3958 | Sierra Engineering Pte. Ltd.
200907399C | 启用 |
| 3959 | Sun Zhen Builders Pte. Ltd.
200903651C | 启用 |
| 3960 | Sin Hua Engineering Pte. Ltd.
200809199C | 启用 |