| 1921 | Keats Realty
52836649A | 有効 |
| 1922 | Koan Pictures Llp
T15LL1653G | 有効 |
| 1923 | Kaiyo Singapore
52853974D | 有効 |
| 1924 | Klg Express Services
52916595C | 有効 |
| 1925 | Keris Plasterceil Decor
52844883L | 有効 |
| 1926 | Kreature Care
52988478W | 有効 |
| 1927 | Kolam Ayer St. George's East Residents' Committee
S86SS0029K | 有効 |
| 1928 | Kshitigarbha Buddhist Society
T01SS0036D | 有効 |
| 1929 | Kln Shipping
52846775A | 有効 |
| 1930 | Kian Chye Transport
52848071E | 有効 |
| 1931 | Kg Chai Chee Rainbow Ville Residents' Committee
S84SS0003C | 有効 |
| 1932 | K T Interior
34200400W | 有効 |
| 1933 | K.m. Chan Computer Services
52852712J | 有効 |
| 1934 | Karho Trading
52846344J | 有効 |
| 1935 | Kiew Lee Tong Temple
S87SS0067K | 有効 |
| 1936 | Keyuan Education Academy Pte. Ltd.
201536221Z | 有効 |
| 1937 | Kontrac Engineering Pte. Ltd.
201601150Z | 有効 |
| 1938 | Kelden Design & Consultancy
52843837M | 有効 |
| 1939 | Katong Delights (traditional Snacks And Local Favourites)
52898625B | 有効 |
| 1940 | Kbs Engineering Services
52842693A | 有効 |
| 1941 | King's College London Alumni Society (singapore)
T06SS0307E | 有効 |
| 1942 | Kenny Grocery
52839851B | 有効 |
| 1943 | Kee Fong B365 Vision International
52854185D | 有効 |
| 1944 | Kawa Auto Private Ltd
198000922R | 有効 |
| 1945 | Kian Choon Medical Trading
34043500C | 有効 |
| 1946 | Kent Seng Vehicle Repairer
52837141W | 有効 |
| 1947 | Kwanling Tan
T06SS0181K | 有効 |
| 1948 | Kum In Meditation Association
S91SS0049J | 有効 |
| 1949 | Kwan Hua Art Gallery
52805251M | 有効 |
| 1950 | Ktech Service
52699700A | 有効 |