| HECO 2158527 · TMA1269710 | MVE Biological Solutions US, LLC | 6 Metal | Registered | 2024 |
| HECO 2049616 · TMA1163391 · design | Magnat Audio-Produkte GmbH | 9 Electronics | Registered | 2023 |
| HEJCO 2045508 · TMA1117578 | an individual | 35 Advertising | Registered | 2022 |
| HEJCO 2029547 · TMA1179920 · design | an individual | 25 Clothing35 Advertising | Registered | 2023 |
| HESCO 1778369 · TMA987006 · design | HESCO FOODSERVICE LTD. | 3 Cosmetics7 Machines11 Lighting+4 | Registered | 2017 |
| HESCO 1766865 · TMA976565 | HESCO FOODSERVICE LTD. | 1 Chemicals3 Cosmetics21 Housewares+3 | Registered | 2017 |
| HESCO 1605305 · TMA888874 | Hesco Bastion Limited | 6 Metal19 Building20 Furniture+1 | Registered | 2014 |
| HESCO 1236092 · TMA652366 | Hesco Bastion Limited | 2 Paints6 Metal19 Building+2 | Registered | 2005 |
| HEJCO 0549450 · TMA320870 · design | an individual | 25 Clothing | Registered | 1986 |
| HEUCO 0504686 · TMA309188 | Heubach GmbH | 1 Chemicals2 Paints | Registered | 1985 |
| HECO 0432589 · TMA246000 | Magnat Audio-Produkte GmbH | 9 Electronics | Registered | 1980 |
| HECO 0409638 · TMA229159 | OMS Investments, Inc. (a Delaware corporation) | 31 Fresh | Registered | 1978 |
| HECO 0223113 · UCA49439 | EATON CORPORATION (AN OHIO CORPORATION) | 9 Electronics21 Housewares | Registered | 1954 |
| HOWCO 2305977 | Howco, Inc. | 35 Advertising36 Finance37 Construction | Pending | 2024 |
| HESHCO 2087619 · design | an individual | 25 Clothing28 Toys | Pending | 2021 |
| HUSCO 2250378 · TMA1274338 | HUSCO INTERNATIONAL, INC. | 7 Machines9 Electronics | Registered | 2024 |
| HCO 2242376 · TMA1262980 | Owner not listed | 9 Electronics | Registered | 2024 |
| HCO 2144422 · TMA1201675 · design | Abercrombie & Fitch Trading Co. | 25 Clothing | Registered | 2023 |
| HEYGO 2111282 · TMA1194691 | Virtualtrips Limited | 9 Electronics35 Advertising38 Telecommunications+5 | Registered | 2023 |
| HEXO 2092423 · TMA1117043 | FoxMind Group Ltd. | 28 Toys | Registered | 2022 |
| HICO 2058271 · TMA1170914 · design | HYOSUNG HEAVY INDUSTRIES CORPORATION | 9 Electronics | Registered | 2023 |
| HOCO 2047501 · TMA1148019 | Shenzhen HeiJingGang Technology Co. Ltd | 28 Toys | Registered | 2022 |
| HEXO 1975619 · TMA1093089 | HEXO OPERATIONS INC. | 1 Chemicals3 Cosmetics5 Pharmaceuticals+12 | Registered | 2021 |
| HEXO 1975618 · TMA1092804 · design | HEXO OPERATIONS INC. | 1 Chemicals3 Cosmetics5 Pharmaceuticals+12 | Registered | 2021 |
| HEXO 1908901 · TMA1092802 · design | HEXO OPERATIONS INC. | 1 Chemicals3 Cosmetics5 Pharmaceuticals+12 | Registered | 2021 |