| 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 |
| iSpark |
| Istanbul Kültür Sanat Vakfi |
| Istanbul Modern Sanat Vakfi Istanbul Modern Sanat Müzesi Iktisadi Isletmesi |
| Istituto Buddista Italiano Soka Gakkai (Soka Gakkai Italian Buddhist Institute) |
| Izmir Ekonomi Universitesi (Izmir University of Economics) |
| J Sainsbury plc |
| J&F Investimentos |
| JA Solar Holdings Co Ltd |
| JA Solar Technology |