| 811 | Jelco Pte Ltd
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| 812 | Jeyee Associates 23677700M | 启用 |
| 813 | Jian Chye Construction Pte Ltd 199806029N | 启用 |
| 814 | Jntec Aluminium & Glass Construction Pte Ltd 199004749Z | 启用 |
| 815 | Jin Cheng Pte. Ltd. 200901588H | 启用 |
| 816 | Jjw Construction (s) Pte Ltd 200001234E | 启用 |
| 817 | Jan De Nul (singapore) Pte. Ltd. 198105727G | 启用 |
| 818 | J.H. Signcraft
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| 819 | Jas Pak (s) Pte. Ltd. 200300014E | 启用 |
| 820 | J&c Advertisement & Signs 53004107C | 启用 |
| 821 | Jk Integrated (pte. Ltd.) 200717257E | 启用 |
| 822 | Jumbo Decorations & Supplies Pte Ltd 198502238D | 启用 |
| 823 | Jl Building Products & Services (s) Pte. Ltd 197902894M | 启用 |
| 824 | J Team Plasterceil 53079417M | 启用 |
| 825 | Jdh Rubber Products Pte. Ltd. 200300890Z | 启用 |
| 826 | Joo Loong Engineering Pte. Ltd. 200618554H | 启用 |
| 827 | Jaycee Electrical And Trading 34477200D | 启用 |
| 828 | Jian Fu Shun Construction Pte. Ltd. 200516244R | 启用 |
| 829 | Jay P Construction 50717900E | 启用 |
| 830 | Jointech Enterprise Pte. Ltd. 200404434W | 启用 |
| 831 | Jetstar Engineering & Trading 51505200X | 启用 |
| 832 | Jit Heng Engineering Pte. Ltd. 200900908H | 启用 |
| 833 | Join Aim Pte Ltd 199206524K | 启用 |
| 834 | Jw Mech Engineering 52934724E | 启用 |
| 835 | Jurong Shipyard Pte Ltd 199908265G | 启用 |
| 836 | Jurong Districentre Pte Ltd 199101512K | 启用 |
| 837 | Junefield Pte Ltd 199508822R | 启用 |
| 838 | Jack Metal Industries Pte. Ltd. 200307718E | 启用 |
| 839 | Jodoh Neonlight Services Pte. Ltd. 200605219C | 启用 |
| 840 | Jiayuan Pte. Ltd. 200700428N | 启用 |