| ZUTEC 2139681 · TMA1183177 | an individual | 32 Beer | Registered | 2023 |
| ZETEC 1764473 · TMA988973 | Zetec, Inc. | 9 Electronics | Registered | 2018 |
| ZETEC 0746141 · TMA447660 | FORD MOTOR COMPANY | 12 Vehicles | Registered | 1995 |
| ZATEC 0621647 · TMA363559 | NORANDA METALLURGY INC. | 6 Metal | Registered | 1989 |
| ZYTEC 2071910 · design | Empack Spraytech Inc. | 5 Pharmaceuticals | Pending | 2020 |
| ZTTSC 2195160 · TMA1271174 · design | Zhongtian Technology Submarine Cable Co. Ltd. | 9 Electronics | Registered | 2024 |
| ZTOC 2140463 · TMA1214297 · design | Jiangsu Zhengdao Ocean Technology Co., Ltd. | 6 Metal17 Rubber | Registered | 2023 |
| ZTC 1916357 · TMA1125842 | Stratus Technologies Ireland Limited | 9 Electronics42 Science | Registered | 2022 |
| ZETES 1874905 · TMA1069199 | Owner not shown | 9 Electronics38 Telecommunications42 Science | Registered | 2020 |
| ZTECH 1627935 · TMA939781 | Golf Town Limited | 6 Metal8 Hand9 Electronics+6 | Registered | 2016 |
| ZOTAC 1421037 · TMA802846 · design | ZOTAC INTERNATIONAL LIMITED | 9 Electronics | Registered | 2011 |
| ZTC 2361919 · design | NIPPON ZETTOC CO. LTD. | 3 Cosmetics | Pending | 2024 |
| ZYTEK 2070652 | an individual | 35 Advertising | Pending | 2020 |
| ZEOTECH 2123947 · TMA1192006 | Zeotech Limited | 1 Chemicals | Registered | 2023 |
| ZZWTECH 2373089 | Shenzhen zoneway technology Co. Ltd. | 9 Electronics | Pending | 2025 |
| ZEOTECH 2286544 | Eagle Ottawa North America, LLC | 18 Leather40 Treatment | Pending | 2023 |
| ZUDKSUY 2186140 · TMA1232469 | Chengdu Chenganxin E-commerce Co. Ltd. | 8 Hand | Registered | 2024 |
| ZTOZ 2169053 · TMA1216408 | an individual | 9 Electronics | Registered | 2023 |
| ZEDAS 2168413 · TMA1269749 | ZEDAS GmbH | 9 Electronics35 Advertising38 Telecommunications+2 | Registered | 2024 |
| ZetZee 2157722 · TMA1271048 | an individual | 35 Advertising | Registered | 2024 |
| ZCITEK 2139968 · TMA1199118 · design | Guangzhou Wolesi E-Commerce Co. Ltd. | 11 Lighting | Registered | 2023 |
| zaddic 2121547 · TMA1196701 | an individual | 10 Medical | Registered | 2023 |
| ZOETOUCH 2114001 · TMA1244950 · design | 1byone Products Inc. | 9 Electronics10 Medical28 Toys | Registered | 2024 |
| ZDX 2031006 · TMA1117013 | Briggs & Riley Travelware, LLC | 18 Leather | Registered | 2022 |
| ZEDEX 2026673 · TMA1165345 · design | an individual | 7 Machines17 Rubber | Registered | 2023 |