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