| IDAIR 2028046 · TMA1224890 | an individual | 9 Electronics11 Lighting37 Construction+1 | Registered | 2024 |
| IDARA 2006177 · TMA1202295 | KIMBALL INTERNATIONAL, INC. | 20 Furniture | Registered | 2023 |
| iTEAR 1997757 · TMA1254641 | Olympic Ophthalmics, Inc. | 10 Medical44 Medical | Registered | 2024 |
| IDERA 1762010 · TMA1045005 | Idera Pharmaceuticals, Inc. | 5 Pharmaceuticals42 Science | Registered | 2019 |
| IDERA 1761948 · TMA1044998 · design | Idera Pharmaceuticals, Inc. | 5 Pharmaceuticals42 Science | Registered | 2019 |
| IDOOR 1704771 · TMA936600 | Anthony, Inc. | 11 Lighting20 Furniture | Registered | 2016 |
| IODOR 0433131 · TMA259688 | SANI-MARC INC. | 1 Chemicals6 Metal17 Rubber+1 | Registered | 1981 |
| Itari 2262030 | Owner not listed | 16 Paper | Pending | 2023 |
| IDORA 2154894 · design | Safagro Inc. | 29 Meat | Pending | 2021 |
| ITREE 2160863 · TMA1218521 · design | FARWIDE Telecommunications Co. Ltd. | 9 Electronics | Registered | 2024 |
| itree 2150417 · TMA1206257 | Hangzhou Similai Trading Co. Ltd. | 24 Textiles25 Clothing | Registered | 2023 |
| IDRA 2138813 · TMA1229990 | GOLF INTÉRIEUR INC. | 9 Electronics | Registered | 2024 |
| ITERA 2129683 · TMA1194783 · design | an individual | 9 Electronics20 Furniture21 Housewares+2 | Registered | 2023 |
| IDRIA 1983609 · TMA1113065 · design | Owner not shown | 9 Electronics10 Medical | Registered | 2021 |
| ITRU 1912667 · TMA1109328 | Prime Deals International, Ltd. | 9 Electronics10 Medical11 Lighting+7 | Registered | 2021 |
| ITR 1870397 · TMA1137057 · design | an individual | 7 Machines12 Vehicles35 Advertising | Registered | 2022 |
| 1640 ITR 1851730 · TMA1035776 | FlexSteel Pipeline Technologies, LLC | 12 Vehicles | Registered | 2019 |
| iTower 1808865 · TMA989983 | iTowermontreal Inc. | 35 Advertising41 Education | Registered | 2018 |
| ITORO 1789172 · TMA992072 · design | Seng Tong Group (International) Brothers Investment Limited | 9 Electronics18 Leather | Registered | 2018 |
| ITERO 1763120 · TMA963679 | Align Technology, Inc. | 41 Education42 Science | Registered | 2017 |
| ITHRA 1710630 · TMA978362 | SAUDI ARABIAN OIL COMPANY a company of limited liability created by Royal Decree according to the laws of the Kingdom of Saudi Arabia | 1 Chemicals4 Oils6 Metal+7 | Registered | 2017 |
| ITER8 1545019 · TMA854958 | 10503070 Canada Inc. | 35 Advertising36 Finance42 Science | Registered | 2013 |
| IWATER 1483912 · TMA838112 | Cadman Power Equipment Ltd. | 9 Electronics | Registered | 2012 |
| IDRA 1458604 · TMA788659 | Urban Outfitters Wholesale, Inc. | 25 Clothing | Registered | 2011 |
| IHEATER 1437769 · TMA783338 | iHeater, LLC | 11 Lighting | Registered | 2010 |