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| 1112 | Rely Engineering & Services Pte Ltd 199206675Z | 启用 |
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| 1114 | Richbuilt Construction Pte Ltd 199505756N | 启用 |
| 1115 | Rockmann Pte Ltd 199903364H | 启用 |
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| 1119 | Ronsor Engineering Pte Ltd 199202917D | 启用 |
| 1120 | Ree Electrical Engineering Pte Ltd 199801477M | 启用 |
| 1121 | Royce Chai Construction Co. Pte Ltd 199301123D | 启用 |
| 1122 | Right Construction Pte Ltd 199405428K | 启用 |
| 1123 | Rife Engineering Pte Ltd 199409105N | 启用 |
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