| 1951 | Kiat Heng Audio Visual System
52832405E | 有効 |
| 1952 | Kiat Ann Trading
52731400E | 有効 |
| 1953 | Kwang Tong Auto Electrical & Battery Service
52823934A | 有効 |
| 1954 | K L Chong Construction
53180651X | 有効 |
| 1955 | K L Yap Consultants
52880076X | 有効 |
| 1956 | Khuang Chan Plasterceil Decor
52877666E | 有効 |
| 1957 | K K Soh Precision Engineering
52872164W | 有効 |
| 1958 | Kian Hong Press
52971872C | 有効 |
| 1959 | Kok Yew Construction
52936167A | 有効 |
| 1960 | Kemquip Engineering
52869176K | 有効 |
| 1961 | Kwee Lim Nursery 1996
52826340D | 有効 |
| 1962 | Kok Sen Coffee Shop
52877331C | 有効 |
| 1963 | Kaplan Professional
52876327W | 有効 |
| 1964 | Kah Fatt Engineering Works
52813511B | 有効 |
| 1965 | Knowhow Management
52866912E | 有効 |
| 1966 | Kai Kheng Plumbing & Paint Supplies
52824563E | 有効 |
| 1967 | Kuehs And Snacks
52877435B | 有効 |
| 1968 | Kiat Seng Nursery
52877290B | 有効 |
| 1969 | Kwik Pc & Monitor Services
52869112X | 有効 |
| 1970 | Kiat Fu Services
52815351W | 有効 |
| 1971 | Kris Link International
52938072B | 有効 |
| 1972 | K.s. Machinery & Trading Enterprise
52814166W | 有効 |
| 1973 | Kotra Pharma Marketing
52864952C | 有効 |
| 1974 | Kwong Ming (singapore)
52832172B | 有効 |
| 1975 | Kairos Creatives
52880108B | 有効 |
| 1976 | K.h.ng Bus Transport Service
52832354K | 有効 |
| 1977 | Koh Express
52867789J | 有効 |
| 1978 | Kok Cheong Auto Parts
52878444K | 有効 |
| 1979 | Khan Offshore Singapore Pte. Ltd.
201500553K | 有効 |
| 1980 | Kum Heng Lee Import And Export
52879265B | 有効 |