| 811 | Yio Chu Kang Zone `8' Residents' Committee
S83SS0046F | 启用 |
| 812 | Yio Chu Kang Zone `9' Residents' Committee
S83SS0045K | 启用 |
| 813 | Yama Medical Supplies
52870635K | 启用 |
| 814 | Yong Lee Huat Awning And Renovation
52512300L | 启用 |
| 815 | Y & T Air Conditioning Service
52801018B | 启用 |
| 816 | Yio Chu Kang Zone `4' Residents' Committee
S82SS0084G | 启用 |
| 817 | Yuan Meng Shih Temple
S97SS0138G | 启用 |
| 818 | Yio Chu Kang Constituency Citizens' Consultative Committee
S81SS0104H | 启用 |
| 819 | Yio Chu Kang Zone `7' Residents' Committee
S82SS0088B | 启用 |
| 820 | Yong Lee Engineering & Construction
52798851X | 启用 |
| 821 | Yong Marble General Contractor
52792600X | 启用 |
| 822 | Yong Ka Aluminium Renovation Works
52870205W | 启用 |
| 823 | Yellow Directory
52871079J | 启用 |
| 824 | Yeo Yee Chee Chinese Medical Hall
52812657A | 启用 |
| 825 | Yi Yi Bu She Boutique
52876551E | 启用 |
| 826 | Yiyi Traditional Treatment
52868934K | 启用 |
| 827 | Yen Nee Book Store
52800673L | 启用 |
| 828 | Yamasa Incorporation Pte Ltd
199802506D | 启用 |
| 829 | Yi May Hair & Beauty Saloon
52876501M | 启用 |
| 830 | Yong Sheng Food Catering
52880426W | 启用 |
| 831 | Yeshua Resource
52812901E | 启用 |
| 832 | Yu Hang Trading
52875358D | 启用 |
| 833 | Yong Yow Marketing
52867790W | 启用 |
| 834 | Yitong Technologies
53238522E | 启用 |
| 835 | Yong Hup Forwarding
52861097W | 启用 |
| 836 | Yock Engineering
52872348X | 启用 |
| 837 | Young Generation Beauty Parlour
52706900X | 启用 |
| 838 | Yan Min Trading
52874899L | 启用 |
| 839 | Yang Sheng Qigong Society (singapore)
S98SS0099C | 启用 |
| 840 | Yuen Kwong Wo
51273700B | 启用 |