| 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 |