| HOSTINGMETRIX 1398727 · TMA760455 · design | Charlton Strategic Research Inc. | 35 Advertising | Registered | 2010 |
| HASTINGS 1600643 · TMA1009276 | DUTTON-LAINSON COMPANY | 6 Metal7 Machines20 Furniture+1 | Registered | 2018 |
| HASTINGS 0806480 · TMA480389 · design | Hastings Manufacturing Company | 7 Machines8 Hand9 Electronics+4 | Registered | 1997 |
| HASTINGS 0224574 · UCA49808 | Hastings Manufacturing Company | 1 Chemicals4 Oils7 Machines+8 | Registered | 1954 |
| HASTINGS 0925826 · design | an individual | 1 Chemicals2 Paints3 Cosmetics+42 | Pending | 2019 |
| HOSTANOL 2164229 · TMA1241110 | Hoechst GmbH | 2 Paints | Registered | 2024 |
| HOGTUNES 1410790 · TMA761307 | Hogtunes Inc. | 9 Electronics | Registered | 2010 |
| HOSIDEN 0514741 · TMA307634 · design | HOSIDEN CORPORATION | 7 Machines9 Electronics12 Vehicles | Registered | 1985 |
| HOSTANOX 0431722 · TMA257730 | Hoechst GmbH | 1 Chemicals | Registered | 1981 |
| HOSTINGBYTHEBAY 0917917 · design | TBayTel | 1 Chemicals2 Paints3 Cosmetics+42 | Pending | 2007 |
| HYGGTMH236 2248301 · TMA1267314 | Owner not listed | 14 Jewellery | Registered | 2024 |
| Histamined 2067348 · TMA1158258 | an individual | 9 Electronics44 Medical | Registered | 2022 |
| HASDON 2009039 · TMA1109456 · design | SHENZHEN ZUN YI PINTECHNOLOGY CO. LTD | 34 Tobacco | Registered | 2021 |
| HEIGHTEN 1940892 · TMA1136948 | HYTN Beverage Corp. | 32 Beer | Registered | 2022 |
| HWASDAN 1929103 · TMA1109333 · design | Chongqing Hwasdan Machinery Manufacturing Co. Ltd. | 7 Machines | Registered | 2021 |
| H2STEM 1899129 · TMA1102800 | Promethera Therapeutics SA | 5 Pharmaceuticals42 Science44 Medical | Registered | 2021 |
| HESTAN 1848154 · TMA1027135 | Meyer Intellectual Properties Limited | 3 Cosmetics7 Machines8 Hand+1 | Registered | 2019 |
| HESTAN 1846780 · TMA1027119 | HESTAN VINEYARDS, LLC. | 33 Wine35 Advertising39 Transport+1 | Registered | 2019 |
| HIGHDENT 1831444 · TMA1013594 | DISPOMED LTÉE | 10 Medical37 Construction41 Education+1 | Registered | 2019 |
| HUSHTONE 1770879 · TMA968946 | an individual | 7 Machines | Registered | 2017 |
| HUGTIME 1764405 · TMA1028344 | an individual | 9 Electronics14 Jewellery16 Paper+6 | Registered | 2019 |
| HEIGHTEN 1732727 · TMA998079 | an individual | 9 Electronics41 Education42 Science | Registered | 2018 |
| HEKADEMIA 1711726 · TMA949293 · design | Hekademia Inc. | 41 Education | Registered | 2016 |
| HÄSTENS 1683908 · TMA926317 · design | an individual | 20 Furniture24 Textiles25 Clothing+1 | Registered | 2016 |
| HOGTOWN 1569425 · TMA899640 | Hogtown Brewers Inc. | 6 Metal11 Lighting14 Jewellery+9 | Registered | 2015 |