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| JOY & LIFE INTERIOR DESIGN STUDIO PTE. LTD. | 202424393R | BLK 127B #03-00 JALAN BESAR Nil | 208845 |
| JOY CONSTRUCTION & ENGINEERING PTE. LTD. | 201100026W | BLK 199 #02-199A SYED ALWI ROAD | 207731 |
| JOYDOM ENGINEERING PTE. LTD. | 201120147E | BLK 5 #03-01 LITTLE ROAD CEMTEX INDUSTRIAL BUILDING | 536983 |
| JOYOUS CONTRACTOR PTE. LTD. | 201230877G | BLK 10 #08-08 Buroh St West Connect Building | 627564 |
| JP CONSTRUCTION & ENGINEERING PTE. LTD. | 202330220H | BLK 7 #09-35 GAMBAS CRESCENT ARK@GAMBAS | 757087 |
| JPAC E & C PTE. LTD. | 201018984H | BLK 73 #07-49 UBI ROAD 1 OXLEY BIZHUB | 408733 |
| JR DESIGN & CONCEPT PTE. LTD. | 200922977R | BLK 39 #03-11/12 WOODLANDS CLOSE MEGA@WOODLANDS | 737856 |
| JS CARPENTRY & CONTRACTS | 52926651B | BLK 71 #01-14 WOODLANDS INDUSTRIAL PARK E9 Wave 9 | 757048 |
| JS ELECTRICAL & AIRCON SERVICE PTE. LTD. | 201216079N | BLK 60 #13-12 PAYA LEBAR ROAD PAYA LEBAR SQUARE | 409051 |
| JS+Z ID PTE. LTD. | 200107022D | BLK 22 #06-76 SIN MING LANE MIDVIEW CITY | 573969 |
| JUAN PROJECTS PTE. LTD. | 201910746M | BLK 1 #06-08 TAMPINES NORTH DRIVE 1 T-SPACE | 528559 |
| JUN XIANG ALUMINIUM AND GLASS CONSTRUCTION | 53157303J | BLK 446 #B1-1635 HOUGANG AVENUE 8 | 530446 |
| JUNFA RENOVATION TRADING | 35950600C | BLK 5053 #01-1105 ANG MO KIO IND PK 2 | 569556 |
| JUNXIN ENGINEERING PTE. LTD. | 202037376R | BLK 465 #02-5071 NORTH BRIDGE ROAD | 191465 |
| JURONG CONTRACTOR PTE. LTD. | 201507249N | BLK 2 #02-12 JALAN RAJAH GOLDEN WALL FLATTED FACTORY | 329134 |
| JUST BUILD LA PTE. LTD. | 201905245M | BLK 35B Seah Street | 188391 |
| JUZ 4 YOU INTERIOR PTE. LTD. | 200906327N | BLK 22 #01-18 YIO CHU KANG ROAD HIGHLAND CENTRE | 545535 |
| JUZ INTERIOR PTE. LTD. | 201312013K | BLK 33 #01-37 Ubi Ave 3 Vertex Building | 408868 |
| JWS BUILDER | 53186386K | BLK 8B #08-19 Admiralty Street 8B@Admiralty Singapore | 757440 |
| K & L ALUMINIUM ENGINEERING PTE. LTD. | 201437678K | BLK 71 #08-07 WOODLANDS AVENUE 10 WOODLANDS INDUSTRIAL XCHANGE | 737743 |
| K B GENERAL CONTRACTOR | 51702200A | BLK 3015 #02-250 UBI RD 1 NA | 408704 |
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| K-UNION CONSTRUCTION PTE LTD | 200100316D | BLK 61 #04-05 WOODLANDS INDUSTRIAL PARK E9 E9 PREMIUM | 757047 |
| K. INSPRIZAL DESIGN | 24889200B | BLK 27 #07-03 Hazel Park Terrace | 678949 |
| K.L.L INTERIOR DESIGN | 53138993J | BLK 151 #01-39 SERANGOON NORTH AVENUE 2 HDB SHOP | 550151 |
| K.S. RENOVATION CONTRACTOR | 51783000X | BLK 609 #03-478 Hougang Ave 8 | 530609 |
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| K&L DECOR PTE. LTD. | 202116381E | BLK 3 #01-19 Ang Mo Kio St 62 Link @ AMK | 569139 |