| 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 |
| IP Campus Examen B.V. |
| IP Campus Group BV [OLD: Tridenti Beheer B.V.] |
| IPE Global Private Limited |
| IPG Mediabrands |
| IPG Mediabrands (Singapore) Pte. Ltd |
| IPSOS |