| XTREAMSORB 1720191 · TMA993958 | Parker Intangibles LLC | 1 Chemicals | Registered | 2018 |
| XTREAMPOWER 1634709 · TMA917845 | THE REYNOLDS AND REYNOLDS COMPANY | 9 Electronics42 Science | Registered | 2015 |
| XTREAMPURE 1571622 · TMA874354 | PECOFacet (US), Inc. | 11 Lighting | Registered | 2014 |
| XTREAMBDC 1638202 · TMA917848 | THE REYNOLDS AND REYNOLDS COMPANY | 9 Electronics42 Science | Registered | 2015 |
| XTREAMMBM 1634703 · TMA917868 | THE REYNOLDS AND REYNOLDS COMPANY | 9 Electronics42 Science | Registered | 2015 |
| XTREAMNEW 1634701 · TMA917867 | THE REYNOLDS AND REYNOLDS COMPANY | 9 Electronics42 Science | Registered | 2015 |
| Xtremarz 2236010 · TMA1256824 | ALIF IMPEX LLC | 10 Medical | Registered | 2024 |
| XTREME 2154758 · TMA1192166 · design | TATLAB Corporation | 2 Paints | Registered | 2023 |
| XSTREAM 2058493 · TMA1154163 | an individual | 7 Machines | Registered | 2022 |
| XTREME 2053415 · TMA1224926 | Xtreme Manufacturing, LLC | 7 Machines12 Vehicles | Registered | 2024 |
| Xtreme 1963097 · TMA1146306 | Xtreme Wear Parts Inc | 7 Machines | Registered | 2022 |
| XTREME 1898604 · TMA1096748 · design | A. K. TRADERS LTD. | 9 Electronics25 Clothing34 Tobacco | Registered | 2021 |
| XTREME 1842774 · TMA1011020 · design | DISTAM INC. | 6 Metal7 Machines9 Electronics+2 | Registered | 2018 |
| XTREME 1783213 · TMA973550 | Sunrise Medical (US) LLC | 12 Vehicles | Registered | 2017 |
| XTREMIO 1732148 · TMA940941 | Dell Inc. | 9 Electronics | Registered | 2016 |
| XTREEM 1672471 · TMA960889 · design | Swann Communications Ltd. | 28 Toys | Registered | 2017 |
| XTREME 1636451 · TMA898514 | MTD Products Inc. | 7 Machines | Registered | 2015 |
| XTREME 1615802 · TMA875085 | Winter Equipment Company, Inc. | 7 Machines | Registered | 2014 |
| XTREME 1549111 · TMA968570 | Marine Acquisition (US) Incorporated | 12 Vehicles | Registered | 2017 |
| xStream 1493120 · TMA864821 | Virtustream, LLC | 9 Electronics37 Construction42 Science | Registered | 2013 |
| XTREME 1474072 · TMA823812 | COMPASS MINERALS CANADA CORP. | 1 Chemicals | Registered | 2012 |
| XTREME 1469165 · TMA815707 | AMMEX Corporation | 9 Electronics21 Housewares | Registered | 2012 |
| XSTREAM 1379974 · TMA739306 | Digi International Inc. a Delaware Corporation | 9 Electronics | Registered | 2009 |
| XSTREAM 1329212 · TMA701519 | ROSEMOUNT INC. | 9 Electronics | Registered | 2007 |
| XTREME 1312643 · TMA741384 · design | The Bolt Supply House Ltd. | 2 Paints3 Cosmetics4 Oils+6 | Registered | 2009 |