| 1921 | Ixora Consulting Solutions Pte. Ltd. 201421897W | Active |
| 1922 | Island Group Dental Surgery 36890400L | Active |
| 1923 | Integrate Services 37799900L | Active |
| 1924 | Iron Oak Capital Pte. Ltd. 201423355E | Active |
| 1925 | Inhome Trading 37624600J | Active |
| 1926 | Italtrade Supplies 35837900L | Active |
| 1927 | Integrated Systems Solution (s) Pte. Ltd. 200723823D | Active |
| 1928 | Icracked 53270819M | Active |
| 1929 | I Transfer 36757700C | Active |
| 1930 | Iedge Llp T12LL0182K | Active |
| 1931 | Idea Exhibition & Advertising 44805800J | Active |
| 1932 | Ideal Connection Pte. Ltd. 200702799K | Active |
| 1933 | Insco Marketing 34672200D | Active |
| 1934 | Inter Glow Agency 35690100M | Active |
| 1935 | I.t.s. Advertising And Trading 39784400W | Active |
| 1936 | Invengo Ventures Pte. Ltd. 201424624R | Active |
| 1937 | Institute Of Internal Auditors Singapore, The S76SS0058D | Active |
| 1938 | Intelligent Comparison Singapore Pte. Ltd. 201424182W | Active |
| 1939 | Inflexionpoint Holding Pte. Ltd. 201424749K | Active |
| 1940 | Idc Training & Inspection Pte. Ltd. 201528444C | Active |
| 1941 | Incept Instinct Pte. Ltd. 201424538W | Active |
| 1942 | Institution Of Engineering And Technology Singapore S76SS0065K | Active |
| 1943 | Infinite Zest Pte. Ltd. 201422997H | Active |
| 1944 | Islandwide Cleaning And Removal 53331145D | Active |
| 1945 | Interior Delight Pte. Ltd. 201423081R | Active |
| 1946 | Independent Society Of The Blind (singapore), The S82SS0002H | Active |
| 1947 | Ilcf Services 53211719X | Active |
| 1948 | Ichiran Sg Pte. Ltd. 201422866E | Active |
| 1949 | Instant Agencies 35132700B | Active |
| 1950 | International Union Of Pure And Applied Physics Singapore Ltd. 201437064G | Active |