| 3931 | Singapore Engineering Services Private Limited
201009393C | 启用 |
| 3932 | Sat Air Cond. & Electrical Engineering
52886148D | 启用 |
| 3933 | Sing Fu Seng Building Construction Pte. Ltd.
201101298N | 启用 |
| 3934 | San Wei Construction Pte. Ltd.
200908806D | 启用 |
| 3935 | Smart Tech Solutions Pte. Ltd.
200906242K | 启用 |
| 3936 | Sun Facilities Services Pte. Ltd.
200902587N | 启用 |
| 3937 | Song Speed Renovation Construction
52890679L | 启用 |
| 3938 | Seres Hvac Engineering Pte Ltd
200106951E | 启用 |
| 3939 | Suhai Sin Construction & Engineering Pte Ltd
199804267Z | 启用 |
| 3940 | Speedy Engineering Works
42379100A | 启用 |
| 3941 | Swift Team Engineering And Construction Services
52827524X | 启用 |
| 3942 | Singyes Engineering (s) Pte. Ltd.
200602963M | 启用 |
| 3943 | South Construction Pte Ltd
200100270Z | 启用 |
| 3944 | Synergy Building Services Pte. Ltd.
200910536E | 启用 |
| 3945 | Siong Heng Construction
53024247L | 启用 |
| 3946 | Soon Sheng Engineering Pte. Ltd.
200812032W | 启用 |
| 3947 | Synergy Drive Engineering
53100135X | 启用 |
| 3948 | Seng Yew Scaffolding & Engineering Pte. Ltd.
200903506W | 启用 |
| 3949 | Sing Ming Engineering
52928328W | 启用 |
| 3950 | Sanyi Engineering Pte. Ltd.
200822488D | 启用 |
| 3951 | Scare Crow Contractor
52937677J | 启用 |
| 3952 | Sin Hong Ji Engineering Pte. Ltd.
200818698E | 启用 |
| 3953 | Shanghoe Engineering Pte. Ltd.
200815726Z | 启用 |
| 3954 | Shinneo Project Services
53134307C | 启用 |
| 3955 | Steeltech Engineering And Constructions
53050975W | 启用 |
| 3956 | S Lite (m & E) Engineering
53047728M | 启用 |
| 3957 | Sierra Engineering Pte. Ltd.
200907399C | 启用 |
| 3958 | Sun Zhen Builders Pte. Ltd.
200903651C | 启用 |
| 3959 | Sin Hua Engineering Pte. Ltd.
200809199C | 启用 |
| 3960 | S&c Equipment Services
53047064X | 启用 |