| HIGHCREST 1863023 · TMA1094906 | AACL INC. | 3 Cosmetics5 Pharmaceuticals9 Electronics+16 | Registered | 2021 |
| HYACROSS 1774882 · TMA969438 · design | Bloomage Biotechnology Corp. Ltd. | 1 Chemicals | Registered | 2017 |
| HIGHRES 1642301 · TMA928065 | 3FORM, LLC | 17 Rubber19 Building | Registered | 2016 |
| HIGHRISE 1399946 · TMA752934 | 37signals LLC | 42 Science | Registered | 2009 |
| HIGHRISE 1399236 · TMA802918 | an individual | 7 Machines | Registered | 2011 |
| HIGHRISE 2347414 | US Compute AI Holdco Inc. | 42 Science | Pending | 2024 |
| HIGHRISE 2291499 | Smartsetter Inc. | 9 Electronics35 Advertising42 Science | Pending | 2023 |
| HIGRESS 2239886 · design | Alibaba Cloud (Singapore) Private Limited | 9 Electronics42 Science | Pending | 2022 |
| HIGHARCHY 1970854 | Higharchy Ventures Ltd. | 9 Electronics25 Clothing35 Advertising+6 | Pending | 2019 |
| Hewgryky 2262851 · TMA1283190 | an individual | 24 Textiles | Registered | 2025 |
| HYZERXU 2240074 · TMA1256991 | GLAXO GROUP LIMITED | 5 Pharmaceuticals | Registered | 2024 |
| HYZRZ 2207463 · TMA1241501 | an individual | 25 Clothing | Registered | 2024 |
| hawkrouge 2204188 · TMA1248168 | Yahee Trading Limited | 7 Machines11 Lighting18 Leather+4 | Registered | 2024 |
| HSHRISH 2200137 · TMA1239740 · design | Shenzhen Hengsenhe Technology Co., Ltd. | 18 Leather | Registered | 2024 |
| Hogrzinne 2199769 · TMA1237614 | Shenzhen Hongjian Technology Co., Ltd. | 21 Housewares | Registered | 2024 |
| HUXWRX 2196180 · TMA1221657 | OSS Suppressors LLC | 13 Firearms | Registered | 2024 |
| HOGROAST 2181284 · TMA1278871 | Blueprint Technologies Ltd. | 9 Electronics41 Education | Registered | 2024 |
| HEYGEARS 2163883 · TMA1248036 · design | GUANGZHOU HEYGEARS IMC. INC | 1 Chemicals2 Paints7 Machines+1 | Registered | 2024 |
| HYGROGEN 2106646 · TMA1202691 · design | Rotronic Instruments (UK) Limited | 9 Electronics11 Lighting | Registered | 2023 |
| HHXRISE 2081678 · TMA1183707 | SHEN ZHEN SHI JINGYUCHENG INDUSTRIAL CO.LTD | 21 Housewares | Registered | 2023 |
| HAWKSEARCH 2028183 · TMA1116617 · design | Hawk Search, Inc. | 42 Science | Registered | 2021 |
| HAWKSEARCH 2025521 · TMA1116341 | Hawk Search, Inc. | 42 Science | Registered | 2021 |
| HYGROZYME 2000008 · TMA1255942 · design | Sipco Innovations Inc. | 1 Chemicals | Registered | 2024 |
| HYGROSAFE 1993489 · TMA1128949 | Biologische Insel Lothar Moll GmbH & Co. KG | 37 Construction | Registered | 2022 |
| HIKOREZ 1977344 · TMA1095298 | KOLON INDUSTRIES, INC. | 1 Chemicals | Registered | 2021 |