| 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 |
| Ipsos MORI UK Limited |
| Iraq International School |
| Iraq Space Center for Training and Capacity Development |
| IRIS Connect Ltd |
| IRIS Holdings, LLC |
| Islah and Taahil Association [OR: Lebanese Charitable Society for Reform and Rehabilitation] |
| Islam Channel Limited |
| Islamic Development Bank |
| Islamic Development Bank Group |
| Isoisän Puulelut |