| 5101 | Yu Sing Trading Private Limited 197100498R | Active |
| 5102 | Yishun Christian Church (anglican) S87CC0543J | Active |
| 5103 | Yodogawa Seiki Co Ltd T08UF4672B | Active |
| 5104 | Yew Hup Construction Pte Ltd 197802108R | Active |
| 5105 | Yang Dental Surgery T07CD4052F | Active |
| 5106 | Yat Guan Private Limited 197701305M | Active |
| 5107 | Yotta8 Pte. Ltd. 201412066K | Active |
| 5108 | Yifang Technology Group Pte. Ltd. 200617814E | Active |
| 5109 | Yu Investment (pte) Limited 197602236Z | Active |
| 5110 | Yew Hock Scaffolding Pte Ltd 199407092H | Active |
| 5111 | Y.k. Tan Pte Ltd 197801081K | Active |
| 5112 | Yunnan Enhong Technology Co. Ltd T09UF0130K | Active |
| 5113 | Y C Wong Clinic T07CM1909A | Active |
| 5114 | Yishun Women's Clinic & Surgery T07CM1958H | Active |
| 5115 | Yam Meng Trading (pte) Ltd 197801889N | Active |
| 5116 | Ykk Ap Singapore Pte Ltd 197601043N | Active |
| 5117 | Yusun Investments Limited T08UF5490G | Active |
| 5118 | Yakult (singapore) Private Limited 197801922R | Active |
| 5119 | Yamatane Corporation T08UF4483K | Active |
| 5120 | Yee Fung Textile Trading Co Pt E Ltd 197602606Z | Active |
| 5121 | Yang Hua (pte) Ltd. 197600883E | Active |
| 5122 | Yong Lee Lee Engineering Pte Ltd 197803062H | Active |
| 5123 | Yutron Co. Ltd. T08UF5728A | Active |
| 5124 | Yoshida Seisakusho Co., Ltd. T08UF4486J | Active |
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| 5127 | Your Eye Care 53270100C | Active |
| 5128 | Yew Tee Primary School T07GS1762G | Active |
| 5129 | Yio Chu Kang Secondary School T07GS3222C | Active |
| 5130 | Yuan Ching Secondary School T07GS3223K | Active |