| HARTING 0497617 · TMA289508 · design | HARTING AG & Co. KG | 7 Machines9 Electronics | Registered | 1984 |
| HEARTINI 1839848 · TMA1019749 | STRAUSS NATURALS LTD. | 5 Pharmaceuticals | Registered | 2019 |
| HARDWIN 1796606 · TMA1041114 | Delta Faucet Company | 11 Lighting | Registered | 2019 |
| HARRITON 1655905 · TMA958079 | Broder Bros. Co. | 18 Leather25 Clothing | Registered | 2016 |
| HARDTIMES 1322993 · TMA765015 | an individual | 25 Clothing28 Toys | Registered | 2010 |
| HARDING 0449192 · TMA295941 | Carpet One Canada Inc. | 27 Carpets | Registered | 1984 |
| HARDINGE 0395223 · TMA233337 | Metso USA Inc. | 7 Machines8 Hand | Registered | 1979 |
| HARDINGE 0263255 · TMA136218 | HARDINGE, INC. | 7 Machines | Registered | 1964 |
| HARTOMPET 2248475 · TMA1267349 | Shenzhen Beast Hardware Tools Wholesale Co. Ltd | 31 Fresh | Registered | 2024 |
| HARDMADE 2234023 · TMA1256692 | an individual | 32 Beer33 Wine | Registered | 2024 |
| Heartmag 2153699 · TMA1217406 | NEW ROOTS HERBAL INC. | 5 Pharmaceuticals | Registered | 2024 |
| HARTENZUS 2134177 · TMA1213101 | Merck Sharp & Dohme LLC | 5 Pharmaceuticals | Registered | 2023 |
| HIREDMAN 1929481 · TMA1125863 | Custom Agricultural Intelligence Inc. | 9 Electronics | Registered | 2022 |
| HORTENSIA 1840289 · TMA1069440 | an individual | 14 Jewellery | Registered | 2020 |
| HORTINNO 1822706 · TMA1016989 | Owner not shown | 31 Fresh | Registered | 2019 |
| HAIRTAMIN 1816549 · TMA1018799 | Hairtamin LLC LIMITED LIABILITY COMPANY CALIFORNIA | 5 Pharmaceuticals35 Advertising | Registered | 2019 |
| HERITANCE 1809937 · TMA1000760 | Palm Wine Holdings, LLC | 33 Wine | Registered | 2018 |
| HEARTUNES 1796093 · TMA1046474 | an individual | 9 Electronics | Registered | 2019 |
| HORTONWORKS 1618945 · TMA940749 · design | Hortonworks, Inc. | 9 Electronics41 Education42 Science | Registered | 2016 |
| HORTONWORKS 1618944 · TMA913611 | Hortonworks, Inc. | 9 Electronics41 Education42 Science | Registered | 2015 |
| HAIRTENSITY 1582075 · TMA855784 | Sally Beauty International, Inc. | 26 Sewing | Registered | 2013 |
| HRDOWNLOADS 1572936 · TMA899523 | HRDOWNLOADS INC. | 16 Paper35 Advertising38 Telecommunications+3 | Registered | 2015 |
| HortiMaX 1567700 · TMA854322 | an individual | 9 Electronics11 Lighting | Registered | 2013 |
| HARDEN 1513378 · TMA871081 | 9159-4895 Quebec Inc. | 35 Advertising36 Finance37 Construction+2 | Registered | 2014 |
| HORDAMER 1444314 · TMA807692 | an individual | 1 Chemicals2 Paints | Registered | 2011 |