| International Consolidated Airlines Group SA [ALSO: International Airlines Group] |
| International Documentary Festival Sheffield [ALSO: Sheffield DocFest] |
| International Education Association of South Africa |
| International Greenscents Ltd |
| International House Trust |
| International House World Organisation Limited |
| International Network for Traditional Building, Architecture and Urbanism (INTBAU) |
| International Partnership for Human Rights (IPHR) |
| International Rescue Committee |
| International Research Center on Artificial Intelligence |
| International Resources Group Ltd. |
| Interprinderea cu Capital Strain Perfect International SRL |
| Interpublic Group of Companies Inc. |
| Into University Partnerships Limited |
| Intuit Inc |
| Inuka BV |
| InukaCare BV |
| Inventum Beheer B.V. |
| Inverleith LLP |
| Invesco Ltd |
| Investec |
| Investor AB |
| Invisible Flock |
| IoLT Limited |
| IP Campus Europe BV |