| 841 | Joint Tech Construction Pte Ltd 198904572Z | Active |
| 842 | Jfe Engineering Corporation Singapore Branch S90FC4092B | Active |
| 843 | Jei Fong Engineering Pte. Ltd. 200616054D | Active |
| 844 | Jia Yin Construction Pte. Ltd. 200714074Z | Active |
| 845 | Jrp & Associates Pte Ltd 199900007M | Active |
| 846 | Junfa Development Pte Ltd 199608071R | Active |
| 847 | John Holland Electrical & Service Pte Ltd 199700464G | Active |
| 848 | J Keart Services Pte. Ltd. 200304941G | Active |
| 849 | Jente Glass Aluminium Enterprise Pte Ltd 198203620G | Active |
| 850 | Jim Builders Pte Ltd 199104912W | Active |
| 851 | Js Creates Pte Ltd 199502865C | Active |
| 852 | Js Construction Pte. Ltd. 200307429E | Active |
| 853 | Jack Seng Construction & Trading Pte Ltd 199303232M | Active |
| 854 | Junling Construction & Engineering Pte Ltd 200003480G | Active |
| 855 | J Kho Engineering Pte Ltd 199702914H | Active |
| 856 | John Construction Pte Ltd 199602275K | Active |
| 857 | Jebsen & Jessen Technology (s) Pte. Ltd. 199104229E | Active |
| 858 | Jardine Engineering (singapore) Pte. Ltd. 199802859D | Active |
| 859 | Japan Marine United Singapore Pte. Ltd. 197700552R | Active |
| 860 | James Contractor Pte. Ltd. 198801856H | Active |
| 861 | J J & K Engineering Private Limited 200107902H | Active |
| 862 | Jel Maintenance Pte Ltd 200007463Z | Active |
| 863 | J N W Engineering Pte Ltd 198501623W | Active |
| 864 | Jacobs Engineering Singapore Pte Ltd 199803266M | Active |
| 865 | Juho Construction Pte Ltd 198301427E | Active |
| 866 | Jacob General Contractors Pte. Ltd. 199102807M | Active |
| 867 | James Pest Managers Pte. Ltd. 200814080M | Active |
| 868 | Joho Engineering & Services Pte. Ltd. 199001575R | Active |
| 869 | Jetlee Shipbuilding & Engineering Pte Ltd 199202784K | Active |
| 870 | Johnson Decoration Contractor Pte Ltd 198901983M | Active |