| 1951 | Waterson Air Conditioning Engineering 52878425X | 启用 |
| 1952 | West Coast Aero Parts 36598100A | 启用 |
| 1953 | Wee Chung Trading 36637800K | 启用 |
| 1954 | Western Standard Ship Supplies 36565100A | 启用 |
| 1955 | Willypoh Plastic Trading 36752600W | 启用 |
| 1956 | Welco Industries 35656000K | 启用 |
| 1957 | Wei De Agency 36603500B | 启用 |
| 1958 | Wendy Tailor 36677600B | 启用 |
| 1959 | Wong Kam Thong Contractor 35609100K | 启用 |
| 1960 | Wanhua Investment Ltd T16UF0601L | 启用 |
| 1961 | Wealth10 Private Limited 201605034H | 启用 |
| 1962 | Winfort Global Ltd. 200712334Z | 启用 |
| 1963 | Write It Well Pte. Ltd. 201132402N | 启用 |
| 1964 | Wtg Consultants Pte. Ltd. 201109834M | 启用 |
| 1965 | Wild Wave Global Pte. Ltd. 201303098E | 启用 |
| 1966 | Weidar Real Estate Marketing 35476900J | 启用 |
| 1967 | Wan Heng Sundry Goods Shop 36287400W | 启用 |
| 1968 | Winnie C H Teo Management & Consultancy Services 36781900K | 启用 |
| 1969 | Western Shipping Pte. Ltd. 198701269D | 启用 |
| 1970 | Willy Tyre & Battery Services 36663100D | 启用 |
| 1971 | Win Yadana Trading 53262548W | 启用 |
| 1972 | Wen Sheng Medical Hall 36786800L | 启用 |
| 1973 | Wee Leek Renovation 36780800E | 启用 |
| 1974 | Wink2 Pte. Ltd. 201424149D | 启用 |
| 1975 | Wholeinone.sg 53218673K | 启用 |
| 1976 | Wills & Probate Pte. Ltd. 201436358E | 启用 |
| 1977 | Woodtech Pte. Ltd. 201422616M | 启用 |
| 1978 | Write Your Own Story Foundation Limited 201424085R | 启用 |
| 1979 | World Acupuncture Voluntary Organisation S79SS0046L | 启用 |
| 1980 | Woodswell Energy (pte.) Ltd. 201602489R | 启用 |