| 811 | Ysj Management Services Pte Ltd
199704092K | 启用 |
| 812 | Yap Hock Chuah Watch Repair Service
52844980W | 启用 |
| 813 | Yuhua Zone `2' Residents' Committee
S84SS0123D | 启用 |
| 814 | Yio Chu Kang Zone `2' Residents' Committee
S85SS0093J | 启用 |
| 815 | Yong En Care Centre
S96SS0165G | 启用 |
| 816 | Yong Tai Loong (pte) Ltd.
197201054D | 启用 |
| 817 | Youth With A Mission Training Centre
S96SS0040D | 启用 |
| 818 | Yee Heng Teak Products
52270700M | 启用 |
| 819 | Yee Hwa Construction
52805714J | 启用 |
| 820 | Yan Express
53322644M | 启用 |
| 821 | Yu Huang Tian Combined Temple
S96SS0163D | 启用 |
| 822 | Yao Heng Trading
52803724B | 启用 |
| 823 | Yuxin Unisex Hair Beauty Saloon
52800105A | 启用 |
| 824 | Yung Kwang Presbyterian Church
S96SS0156J | 启用 |
| 825 | Yeeta Engineering & Construction
52802034W | 启用 |
| 826 | Yang Yi Jewellery Manufacturing And Trading
52808140C | 启用 |
| 827 | Yan Jin Trading
52799418M | 启用 |
| 828 | Yan Ze Decoration Contractor
52090700X | 启用 |
| 829 | Yue Brothers Engineering & Construction
52803740D | 启用 |
| 830 | Yew Ee Association
T00SS0023F | 启用 |
| 831 | Yang Siang Engineering
52799218J | 启用 |
| 832 | Yuk Choy And Perak Girls' High Schools Alumni (singapore)
S89SS0097B | 启用 |
| 833 | Yio Chu Kang Zone `5' Residents' Committee
S82SS0052L | 启用 |
| 834 | Yong Fook Construction Works
52827184M | 启用 |
| 835 | Yellowren Productions
52934909D | 启用 |
| 836 | Yakinikutei A0 Chan
52802818M | 启用 |
| 837 | Yen For Words
52934220X | 启用 |
| 838 | Yu Neng Primary School Alumni Association
S99SS0074G | 启用 |
| 839 | Yam Lung (singapore) Trading
52806775C | 启用 |
| 840 | Yakinikutei Godaimon
52803003E | 启用 |