| XSENSE 1394552 · TMA768261 | BT9 LTD. | 9 Electronics42 Science | Registered | 2010 |
| XINGSE 2184519 · TMA1230585 | an individual | 16 Paper | Registered | 2024 |
| XENASA 1656577 · TMA1026564 | an individual | 5 Pharmaceuticals | Registered | 2019 |
| XSENSO 1599793 · TMA873135 | Lantronix, Inc. | 9 Electronics | Registered | 2014 |
| xinso 2175431 · TMA1241155 | Xiamen Xingshuo Maternity & Baby Products Co., Ltd. | 12 Vehicles20 Furniture | Registered | 2024 |
| xenko 1735397 · TMA979102 | Silicon Studio Corporation | 9 Electronics | Registered | 2017 |
| XENEX 1595412 · TMA880946 | Xenex Disinfection Services Inc. | 10 Medical37 Construction | Registered | 2014 |
| XENYX 1285500 · TMA743115 | Owner not shown | 9 Electronics | Registered | 2009 |
| XENYX 1285499 · TMA743114 · design | MUSIC Group IP Ltd | 9 Electronics | Registered | 2009 |
| XYIENCE 1639671 · TMA947420 | XYIENCE BEVERAGE COMPANY, LLC a Texas limited liability company | 35 Advertising | Registered | 2016 |
| XYIENCE 1522095 · TMA882549 · design | XYIENCE BEVERAGE COMPANY, LLC a Texas limited liability company | 5 Pharmaceuticals25 Clothing32 Beer+1 | Registered | 2014 |
| XYIENCE 1271541 · TMA745504 | XYIENCE BEVERAGE COMPANY, LLC a Texas limited liability company | 5 Pharmaceuticals32 Beer | Registered | 2009 |
| Xenooss 2352196 | Owner not listed | 5 Pharmaceuticals | Pending | 2024 |
| xnicx 2254734 · TMA1273122 | foshan junjiefeifan trading Co. Ltd. | 26 Sewing | Registered | 2024 |
| XIUYANG 2252258 · TMA1271399 | an individual | 25 Clothing | Registered | 2024 |
| Xemz 2251823 · TMA1270135 | Shenzhen Rishen Industrial Co. Ltd. | 20 Furniture | Registered | 2024 |
| XSUHANGX 2221606 · TMA1248576 | Shanxi Qiguang Electronic Commerce Co., Ltd. | 20 Furniture | Registered | 2024 |
| XINZUO 2217464 · TMA1245494 | YANGJIANG XINZUO INDUSTRY & TRADE CO.,LTD. | 8 Hand | Registered | 2024 |
| XINGYU 2195034 · TMA1259526 | SHANDONG XINGYU GLOVES CO. LTD. | 9 Electronics10 Medical21 Housewares | Registered | 2024 |
| XIANGJIU 2176535 · TMA1253696 · design | an individual | 5 Pharmaceuticals10 Medical | Registered | 2024 |
| Xiangqu 2157682 · TMA1223747 | Jing County Lihui Trading Co. Ltd. | 26 Sewing | Registered | 2024 |
| XINGYI 2143553 · TMA1186692 · design | Wuxi Xingyi IntelligentEnvironment Protection Equipment Co. Ltd. | 7 Machines | Registered | 2023 |
| XINYIQI 2100002 · TMA1208368 · design | Shenzhen Xinyiqi Hardware Machine Tool Accessories Co. Ltd. | 11 Lighting | Registered | 2023 |
| XMG 2092006 · TMA1208336 | Truss Limited Partnership | 16 Paper21 Housewares26 Sewing+1 | Registered | 2023 |
| XUANMUQUE 2088564 · TMA1186056 | Yiwu xuanmuque Network Technology Co. Ltd | 21 Housewares | Registered | 2023 |