| 1921 | Island Bros.
47654000C | Aktif |
| 1922 | I Ching Geomancy Centre
46228700M | Aktif |
| 1923 | Ie Singapore Society
T01SS0028B | Aktif |
| 1924 | Image Sign
47738300M | Aktif |
| 1925 | Iwah Hairdressing & Beauty Centre
41765500B | Aktif |
| 1926 | Isan Gallery
46874700A | Aktif |
| 1927 | Iaccount Services Pte. Ltd.
201536989E | Aktif |
| 1928 | Interpak Pte Ltd
199001977R | Aktif |
| 1929 | Itssen Trading
40422800C | Aktif |
| 1930 | Ichiban Flowers & Gifts
47351000J | Aktif |
| 1931 | Itl Technologies
41104200M | Aktif |
| 1932 | Ian Jewellery
47570900D | Aktif |
| 1933 | Ilex Stationery And Papers Supplies
40881300L | Aktif |
| 1934 | India Pacific Trading
46602300J | Aktif |
| 1935 | Its Bee's
53276546W | Aktif |
| 1936 | Incorr Engineering And Trading
45869200W | Aktif |
| 1937 | Impressive Interior & Supplies
46594300D | Aktif |
| 1938 | Ivy Collection
46690700A | Aktif |
| 1939 | Islander
46521900D | Aktif |
| 1940 | Image Builders
41747600X | Aktif |
| 1941 | In Tec Global Pte Ltd
199409020K | Aktif |
| 1942 | Indonesia Singapore Friendship Association (isfa)
T04SS0213C | Aktif |
| 1943 | In Design Construction
46929500K | Aktif |
| 1944 | Invesco Real Estate Investment Asia Pacific Limited Singapore Branch
T14FC0114C | Aktif |
| 1945 | Interindo Marketing Services
40462900L | Aktif |
| 1946 | International Society For Music Education (singapore)
T04SS0070H | Aktif |
| 1947 | Isaravana Music & Art Centre
41680800W | Aktif |
| 1948 | Interprime Design
40699400E | Aktif |
| 1949 | Instric Trading
41648600B | Aktif |
| 1950 | Impact Models Studio
41252400K | Aktif |