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