| HALLTECH 0602000 · TMA360909 · design | HALLTECH INC. | 1 Chemicals2 Paints16 Paper+2 | Registered | 1989 |
| HALITECH 2275244 · design | Owner not listed | 25 Clothing | Pending | 2023 |
| Healtex 2035575 · TMA1138709 | Loggerflex Smart Devices Ltd. | 9 Electronics | Registered | 2022 |
| HALTEGO 1731453 · TMA941099 | Bectrol inc. | 6 Metal19 Building37 Construction+1 | Registered | 2016 |
| HALOTEX 0318628 · TMA170431 | Owner not shown | 5 Pharmaceuticals | Registered | 1970 |
| HALDEX 1223380 · TMA693747 | an individual | 6 Metal7 Machines9 Electronics+2 | Registered | 2007 |
| HALDEX 1223379 · TMA667821 · design | an individual | 7 Machines12 Vehicles35 Advertising+1 | Registered | 2006 |
| HALTS 0378754 · TMA211720 | OMS Investments, Inc. (a Delaware corporation) | 5 Pharmaceuticals | Registered | 1976 |
| HILITECH 1810690 · TMA1058443 · design | HILITech GmbH | 12 Vehicles20 Furniture42 Science | Registered | 2019 |
| Healthtech 1448747 · TMA781890 | Healthtech Inc. | 42 Science | Registered | 2010 |
| HOLYTEK 1484255 · TMA819751 · design | HOLYTEK INDUSTRIAL CORPORATION | 7 Machines | Registered | 2012 |
| HALOTAG 1281612 · TMA689505 | PROMEGA CORPORATION, a Wisconsin corporation | 1 Chemicals | Registered | 2007 |
| Helteko 2107661 | an individual | 12 Vehicles | Pending | 2021 |
| HEALTHTEX 1490576 · TMA825263 | Healthtex Apparel Corp. | 5 Pharmaceuticals25 Clothing26 Sewing | Registered | 2012 |
| HealthCheck 2087729 | YouCount Inc | 10 Medical | Pending | 2021 |
| HEALTHCOIN 2219452 · TMA1248424 | Ottawa Derm Centre Inc. | 35 Advertising36 Finance42 Science+1 | Registered | 2024 |
| HiLetgo 2187460 · TMA1232568 | an individual | 9 Electronics | Registered | 2024 |
| HOLOWITS 2157276 · TMA1271043 · design | Beijing Hongtaijiahua Technology Trade Co. Ltd. | 9 Electronics35 Advertising42 Science | Registered | 2024 |
| HOLTIGER 2135239 · TMA1205077 | an individual | 1 Chemicals5 Pharmaceuticals | Registered | 2023 |
| HealthGene 2129994 · TMA1196862 | DNAME CORP. | 44 Medical | Registered | 2023 |
| HOLDOG 2113999 · TMA1182881 · design | an individual | 8 Hand | Registered | 2023 |
| Holidago 2102383 · TMA1177570 | an individual | 5 Pharmaceuticals | Registered | 2023 |
| HOLDSEN 2101308 · TMA1179109 | Holdsen International Ltd. | 9 Electronics | Registered | 2023 |
| Healthkeep 2100801 · TMA1188365 | AWOW Technology (Shenzhen) Co. Ltd. | 9 Electronics | Registered | 2023 |
| Hilitchi 2065859 · TMA1174497 | an individual | 6 Metal | Registered | 2023 |