| HEXSTIX 2256736 · TMA1276272 | PHILLIPS SCREW COMPANY | 6 Metal | Registered | 2024 |
| HISTOSONICS 2248038 · TMA1269943 | HistoSonics, Inc. | 10 Medical12 Vehicles | Registered | 2024 |
| HOSTDX 2228227 · TMA1244521 | Inflammatix, Inc. | 42 Science44 Medical | Registered | 2024 |
| Hestiasko 2194291 · TMA1243985 | Shenzhen Tianzhengyuan Network Technology Co. Ltd. | 21 Housewares | Registered | 2024 |
| HUSDSI 2183398 · TMA1230468 | Zhengzhou Luqian Electronic Technology Co.Ltd | 10 Medical | Registered | 2024 |
| Hawktek 2165929 · TMA1212470 | Canadiantek Inc. | 9 Electronics | Registered | 2023 |
| Haxtec 2149010 · TMA1203134 | Shenzhen Wewant Technology Co. Ltd | 28 Toys | Registered | 2023 |
| HashtagLove 2044032 · TMA1145825 | MSM.digital Communications GmbH | 35 Advertising42 Science | Registered | 2022 |
| HAYSTACK 2028284 · TMA1116981 | Plume Design, Inc. | 42 Science | Registered | 2022 |
| HUKETEK 2024172 · TMA1147793 | HUNAN CNG PART COMPANY LIMITED | 7 Machines9 Electronics10 Medical | Registered | 2022 |
| HSYTEK 2005412 · TMA1257509 | Shen Zhen He Sheng Ying Technology Limited Company | 21 Housewares | Registered | 2024 |
| Histasolv 2004334 · TMA1176218 | an individual | 5 Pharmaceuticals | Registered | 2023 |
| HUESTICK 1994568 · TMA1102140 | Live Tinted, Inc. | 3 Cosmetics | Registered | 2021 |
| HECTIC 1987735 · TMA1136199 | Keilhauer Ltd. | 20 Furniture | Registered | 2022 |
| HIKOTACK 1977345 · TMA1095299 | KOLON INDUSTRIES, INC. | 1 Chemicals | Registered | 2021 |
| HOSTESS 1970244 · TMA1177000 · design | PepsiCo Canada ULC, c/o/b as Frito Lay Canada | 29 Meat | Registered | 2023 |
| HZTG 1927814 · TMA1110430 | an individual | 25 Clothing | Registered | 2021 |
| HAKUTSURU 1914840 · TMA1106342 | HAKUTSURU SAKE BREWING CO. LTD. a legal entity | 3 Cosmetics | Registered | 2021 |
| HOSTGATOR 1902719 · TMA1097914 | HostGator.com, LLC | 38 Telecommunications42 Science45 Legal | Registered | 2021 |
| HOSTAZYM 1871168 · TMA1073101 | an individual | 5 Pharmaceuticals | Registered | 2020 |
| HAYSTAX 1863613 · TMA1064506 | Haystax Financial Inc. | 36 Finance45 Legal | Registered | 2019 |
| HZGOTech 1854588 · TMA1018611 | ShenZhen HaoZhi Technology Co. Ltd. | 9 Electronics20 Furniture | Registered | 2019 |
| HOCKEYTECH 1847347 · TMA1088750 | Flosports, Inc. | 38 Telecommunications41 Education | Registered | 2020 |
| HEXTECH 1828944 · TMA1019418 | Riot Games, Inc. | 9 Electronics35 Advertising41 Education | Registered | 2019 |
| HOSTESS 1781357 · TMA1155813 | Boulangerie Vachon Inc. / Vachon Bakery Inc. | 30 Coffee | Registered | 2022 |