| IBRIX 1688697 · TMA948161 | Desjardins Société de placement inc. | 36 Finance | Registered | 2016 |
| ibrowz 1428951 · TMA795158 | an individual | 38 Telecommunications42 Science | Registered | 2011 |
| IBRIGHT 1783138 · TMA1056170 | Life Technologies Corporation | 9 Electronics | Registered | 2019 |
| IBROCSO 1689975 · TMA1038393 | GLAXO GROUP LIMITED | 5 Pharmaceuticals44 Medical | Registered | 2019 |
| IBRIGHT 1377757 · TMA769218 · design | International Telematics Holdings Limited | 9 Electronics35 Advertising38 Telecommunications+2 | Registered | 2010 |
| IBRIGHT 1377750 · TMA769225 | International Telematics Holdings Limited | 9 Electronics35 Advertising38 Telecommunications+2 | Registered | 2010 |
| IBEROGAST 1687634 · TMA977945 | an individual | 5 Pharmaceuticals | Registered | 2017 |
| IBEROGAST 0887404 · TMA554766 | an individual | 5 Pharmaceuticals | Registered | 2001 |
| IBEROSTAR 0830813 · TMA504448 | Owner not shown | 35 Advertising36 Finance43 Restaurants | Registered | 1998 |
| IVRRISS 2193583 · TMA1235024 | an individual | 18 Leather25 Clothing | Registered | 2024 |
| IBÉRICA 9 2170042 · TMA1266867 | an individual | 29 Meat32 Beer | Registered | 2024 |
| ifergoo 2054461 · TMA1168221 | Shenzhen Qiling Technology Co. Ltd. | 28 Toys | Registered | 2023 |
| iForge 2053678 · TMA1161244 | SMS group GmbH | 7 Machines9 Electronics42 Science | Registered | 2023 |
| IBERSAL 2046941 · TMA1135035 | Owner not shown | 30 Coffee | Registered | 2022 |
| iProjects 1863916 · TMA1068553 | an individual | 35 Advertising | Registered | 2020 |
| iBroker360 1860730 · TMA1021819 | Home Investment Advisors Ltd. | 42 Science | Registered | 2019 |
| IVR2CHAT 1831275 · TMA1082641 | 247.ai, Inc. | 9 Electronics35 Advertising42 Science | Registered | 2020 |
| IFRS 1824884 · TMA1070125 · design | International Financial Reporting Standards Foundation | 9 Electronics16 Paper41 Education+1 | Registered | 2020 |
| iProsper 1802838 · TMA985090 | an individual | 9 Electronics | Registered | 2017 |
| IPARKIT 1790479 · TMA1032410 · design | INTERPARK LLC | 9 Electronics36 Finance | Registered | 2019 |
| Ibérica 1784521 · TMA971601 | an individual | 35 Advertising43 Restaurants | Registered | 2017 |
| IPARKIT 1773963 · TMA1032452 · design | INTERPARK LLC | 35 Advertising39 Transport | Registered | 2019 |
| IPRISM 1766370 · TMA968498 | Glaukos Corporation | 10 Medical | Registered | 2017 |
| iBrace 1725115 · TMA982878 | an individual | 10 Medical40 Treatment44 Medical | Registered | 2017 |
| IBERICUS 1712948 · TMA938931 · design | Owner not shown | 31 Fresh44 Medical | Registered | 2016 |