| ZAGU 1947981 · TMA1153510 | MAANSHAN BOND MEDICAL INSTRUMENTS CO. LTD. | 10 Medical | Registered | 2022 |
| ZAGO 1655552 · TMA1059094 | Owner not shown | 1 Chemicals5 Pharmaceuticals | Registered | 2019 |
| ZAGO 1641990 · TMA1009773 | Owner not shown | 30 Coffee32 Beer33 Wine | Registered | 2018 |
| ZAGG 1515743 · TMA861654 | ZAGG Intellectual Property Holding Co. Inc. | 9 Electronics | Registered | 2013 |
| ZAGG 1365836 · TMA837165 | ZAGG Intellectual Property Holding Co. Inc. | 9 Electronics14 Jewellery28 Toys | Registered | 2012 |
| ZEAG 1292500 · TMA737133 | an individual | 9 Electronics41 Education | Registered | 2009 |
| ZAAG. 2216659 | Restore Labs Ltd | 5 Pharmaceuticals35 Advertising | Pending | 2022 |
| ZAGS 0916003 | an individual | 1 Chemicals2 Paints3 Cosmetics+42 | Pending | 2004 |
| ZOG 2184095 · TMA1202003 · design | Zhejiang Orient Gene Biotech Co. Ltd. | 5 Pharmaceuticals9 Electronics10 Medical+2 | Registered | 2023 |
| ZAK 1976553 · TMA1121517 | ZULU ALPHA KILO INC. | 35 Advertising | Registered | 2022 |
| ZIG 1906165 · TMA1088472 · design | KURETAKE CO. LTD. | 2 Paints16 Paper | Registered | 2020 |
| ZAC 1765407 · TMA996681 | Mary Import inc. | 35 Advertising | Registered | 2018 |
| ZAC 1745051 · TMA996680 | Mary Import inc. | 6 Metal9 Electronics14 Jewellery+5 | Registered | 2018 |
| Zac 1639390 · TMA889666 | an individual | 25 Clothing | Registered | 2014 |
| ZAK!! 1315754 · TMA758583 | Zak Designs, Inc. a corporation of Washington | 8 Hand21 Housewares | Registered | 2010 |
| ZIG 1089301 · TMA681411 | KURETAKE CO. LTD. | 1 Chemicals9 Electronics | Registered | 2007 |
| ZIG 0510335 · TMA296858 · design | Kabushiki Kaisha Kuretake, also trading as Kuretake Co. Ltd. | 16 Paper | Registered | 1984 |
| ZEG 2355037 · design | an individual | 1 Chemicals4 Oils7 Machines+3 | Pending | 2024 |
| ZUAGI 2167912 · TMA1215397 | an individual | 6 Metal8 Hand9 Electronics+8 | Registered | 2023 |
| ZHAGA 1540410 · TMA978546 | IEEE Industry Standards and Technology Organization, Inc. | 9 Electronics11 Lighting45 Legal | Registered | 2017 |
| ZHAGA 2352143 · design | Owner not listed | 9 Electronics11 Lighting42 Science+1 | Pending | 2024 |
| Zuihug 2263754 · TMA1283321 | an individual | 21 Housewares | Registered | 2025 |
| ZACKS 2263209 · TMA1283227 | Zacks Investment Research, Inc. | 36 Finance | Registered | 2025 |
| ZIKEE 2262883 · TMA1281421 | ZIKEE INTERNATIONAL CO. LIMITED | 21 Housewares | Registered | 2025 |
| Zecoya 2262286 · TMA1281373 | Zecoya Inc. | 35 Advertising44 Medical | Registered | 2025 |