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| WOODCRAFT INTERIOR DESIGN PTE. LTD. | 201727977R | BLK 1 #08-23 TAMPINES NORTH DRIVE 1 T SPACE | 528559 |
| WOON FONG DESIGN & DECORATION ENTERPRISE | 39564500W | BLK 35 #08-03 KALLANG PUDDING ROAD TONG LEE BUILDING | 349314 |
| WORKINTERIOR PTE. LTD. | 201202263C | BLK 227B RIVER VALLEY ROAD | 238285 |
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| WORLDBUILD21 ENGINEERING PTE LTD | 199803433K | BLK 994 #03-04 Bendeemer Rd | 339943 |
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| WSH INTERIOR HAUS PTE. LTD. | 200709721H | BLK 27 #04-01 WOODLANDS INDUSTRIAL PARK E1 HIANGKIE INDUSTRIAL BUILDING | 757718 |
| WSS WINDOWS AND DOORS PTE. LTD. | 202244539D | BLK 11 #01-00 SENOKO DRIVE - | 758199 |
| WT + A PTE. LTD. | 201433208W | BLK 10 #06-21 ADMIRALTY STREET NORTH LINK BUILDING | 757695 |
| WYS.ID PTE. LTD. | 201427732K | BLK 160 #02-01 PAYA LEBAR ROAD ORION @PAYA LEBAR | 409022 |
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| XCLUSIVE PTE. LTD. | 202125175H | BLK 24 #04-04 NEW INDUSTRIAL ROAD IN SPACE | 536210 |
| XFORM DESIGN STUDIO LLP | T10LL0780J | BLK 81 #09-04 UBI AVENUE 4 UB. ONE | 408830 |
| XIANG JIN IRON & ALUMINIUM WORKS PTE LTD | 200410033C | BLK 61 #05-07 WOODLANDS INDUSTRIAL PARK E9 E9 PREMIUM | 757047 |
| XIANG TIAN RENOVATION PTE LTD | 201406265R | BLK 345 #02-39 GEYLANG RD PAVILION SQUARE | 389366 |
| XIANG YAW DESIGN & BUILD | 53140799C | BLK 21 #14-72 BUKIT BATOK CRESCENT WCEGA TOWER | 658065 |
| XIE YI RENO | 53053860A | BLK 7 #10-16 MANDAI LINK MANDAI CONNECTION | 728653 |
| XIESHU DEMOLITION PTE. LTD. | 201524277W | BLK 8 #02-13 Boon Lay Way Tradehub 21 | 609964 |
| XIN CONCEPT PTE. LTD. | 201135536Z | BLK 1 #07-03 Irving Place The Commerze@Irving | 369546 |
| XIN HUI CONSTRUCTION & ENGINEERING PTE. LTD. | 201701592N | BLK 31 #05-10 WOODLANDS CLOSE WOODLANDS HORIZON | 737855 |
| XING FU CONSTRUCTION PTE. LTD. | 202111625N | BLK 200 #11-01 JALAN SULTAN TEXTILE CENTRE | 199018 |
| XING WINDOWS AND GLASS | 53400936X | BLK 30 #04-15 KAKI BUKIT ROAD 3 EMPIRE TECHNOCENTRE | 417819 |
| XPERIENCE INTERIOR DESIGN | 53214774W | BLK 280 #09-09 WOODLANDS INDUSTRIAL PARK E5 HARVEST @ WOODLANDS | 757322 |
| Y CREATIONS PTE. LTD. | 201921682Z | BLK 16 #41-01 RAFFLES QUAY HONG LEONG BUILDING | 048581 |
| Y DESIGN PTE. LTD. | 201832441Z | BLK 521 #09-306 Bedok North Ave 1 HDB | 460521 |
| Y-AXIS PTE. LTD. | 200302818W | BLK 7030 #09-46 Ang Mo Kio Ave 5 Northstar @ AMK | 569880 |
| Y.A.M INTERIOR PRIVATE LIMITED | 201419384M | BLK 1104A SERANGOON ROAD | 328197 |