| 901 | Wilson Aluminium Engineering
53166889D | 有効 |
| 902 | W & Tang Electrical Co Pte Ltd
199803350H | 有効 |
| 903 | Windsia Energy Industries Pte. Ltd.
200605456H | 有効 |
| 904 | Wam Far East Pte Ltd
| 有効 |
| 905 | Wissen Technology Pte. Ltd.
200208326K | 有効 |
| 906 | Walip Corpn (S) Pte Ltd
| 有効 |
| 907 | Weldtools Pte Ltd
200006565Z | 有効 |
| 908 | Wisely Gobal Solutions Pte. Ltd.
200514030W | 有効 |
| 909 | Woan Design & Furnishing Services
52861790K | 有効 |
| 910 | W H Marathon Pte. Ltd.
200911944K | 有効 |
| 911 | Wiremesh Industries Pte. Ltd.
201317668W | 有効 |
| 912 | Welmech Integrated Engineering Pte. Ltd.
201005183N | 有効 |
| 913 | Weavepact & Associates Pte. Ltd.
200918179C | 有効 |
| 914 | Wing Soon Aluminium Renovation Contractor
37905500K | 有効 |
| 915 | Walker Hill Aluminium
35170200L | 有効 |
| 916 | Wtc M&e Pte. Ltd.
200517695E | 有効 |
| 917 | Watten Building Services Pte. Ltd.
200821379K | 有効 |
| 918 | Wcs Engineering Construction Pte. Ltd.
201016157N | 有効 |
| 919 | Woon Soon Enterprises
31771100L | 有効 |
| 920 | Winscad Pte. Ltd.
200902603D | 有効 |
| 921 | Wee Built Pte. Ltd.
200715173Z | 有効 |
| 922 | Wang Seng Waterproofing Construction Pte. Ltd.
201011146H | 有効 |
| 923 | Wei Wah Engineering Pte Ltd
198000325C | 有効 |
| 924 | Waston Enterprise & Services Pte. Ltd.
201017826D | 有効 |
| 925 | Wings Electrical Services
41061300B | 有効 |
| 926 | Wanletar Construction
33037200M | 有効 |
| 927 | Wbs Builder Pte. Ltd.
201015879G | 有効 |
| 928 | Winston Electrical Contractor Llp
T08LL0465K | 有効 |
| 929 | Wee City Renovation Contract
53145643M | 有効 |
| 930 | Wetec Pte. Ltd.
200810252Z | 有効 |