| 1951 | Kingsway Asia
52819620X | 启用 |
| 1952 | Karisma Inter Trade & Services
52833913C | 启用 |
| 1953 | Kian Sin Refrigeration & Airconditioning Service
22732900K | 启用 |
| 1954 | Kjl Management
52821182W | 启用 |
| 1955 | Kartikeya International Pte. Ltd.
201427194C | 启用 |
| 1956 | Knotty Shop (1995)
52812643A | 启用 |
| 1957 | Kps Engineering Pte. Ltd.
200807941N | 启用 |
| 1958 | Khai Rick Enterprise
53256275E | 启用 |
| 1959 | Khoon Kang Lian Ngee Sia (singapore)
S95SS0154A | 启用 |
| 1960 | Kbc Advanced Technologies Limited
S90UF0022F | 启用 |
| 1961 | Kes Tech
52868096W | 启用 |
| 1962 | Kheng Chiu Loke Tin Kee Home
S92SS0060E | 启用 |
| 1963 | Kiat Leng San Temple
S94SS0054E | 启用 |
| 1964 | Kampung Senang Charity And Education Foundation
S99SS0044C | 启用 |
| 1965 | Kang Liang Chinese Physician
52827756A | 启用 |
| 1966 | Knowell Trading (s) Pte. Ltd.
201427259Z | 启用 |
| 1967 | Kangen Earth
53274035A | 启用 |
| 1968 | Karlton Pte. Ltd.
201427240H | 启用 |
| 1969 | Kang Li Hung Garments Trading
52833939K | 启用 |
| 1970 | Kvm Singapore Pte. Ltd.
201606032D | 启用 |
| 1971 | Kiat Heng Audio Visual System
52832405E | 启用 |
| 1972 | Kiat Ann Trading
52731400E | 启用 |
| 1973 | Kwang Tong Auto Electrical & Battery Service
52823934A | 启用 |
| 1974 | K L Chong Construction
53180651X | 启用 |
| 1975 | K L Yap Consultants
52880076X | 启用 |
| 1976 | Khuang Chan Plasterceil Decor
52877666E | 启用 |
| 1977 | Kebun Baru Grove Residents' Committee
S84SS0115B | 启用 |
| 1978 | Kampong Glam Rochor Centre Residents' Committee
S84SS0122H | 启用 |
| 1979 | K K Soh Precision Engineering
52872164W | 启用 |
| 1980 | Kian Hong Press
52971872C | 启用 |