| HOTTEC 1703018 · TMA984212 | Dentec Safety Specialists Inc. | 9 Electronics11 Lighting | Registered | 2017 |
| HEITEC 0889267 · TMA536961 | HEITEC-HEISSKANALTECHNIK GMBH | 6 Metal | Registered | 2000 |
| HEATTECH 1676672 · TMA1031829 | FAST RETAILING CO. LTD. | 20 Furniture24 Textiles35 Advertising | Registered | 2019 |
| HEATTECH 2308035 | FAST RETAILING CO. LTD. | 25 Clothing | Pending | 2023 |
| HETTICH 1580878 · TMA866195 · design | HETTICH MARKETING-UND VERTRIEBS-GMBH & CO. KG | 6 Metal20 Furniture | Registered | 2013 |
| HETTICH 1529618 · TMA928595 | ANDREAS HETTICH GMBH & CO. KG | 8 Hand9 Electronics10 Medical+3 | Registered | 2016 |
| Hettich 1373349 · TMA754960 | HETTICH MARKETING-UND VERTRIEBS-GMBH & CO. KG | 6 Metal20 Furniture21 Housewares | Registered | 2009 |
| HEWTECH 0694619 · TMA417582 · design | HIRAKAWA HEWTECH CORP. | 9 Electronics17 Rubber | Registered | 1993 |
| HYTEC 0865157 · TMA503436 · design | Kohler Canada Co./Compagnie Kohler Canada | 6 Metal9 Electronics11 Lighting+1 | Registered | 1998 |
| HITEC 0607308 · TMA407007 | Afton Chemical Corporation | 4 Oils | Registered | 1993 |
| HEATEX 0476755 · TMA327133 | Nexans Canada Inc. | 10 Medical | Registered | 1987 |
| HYTEC 0434933 · TMA240587 | Kohler Canada Co./Compagnie Kohler Canada | 11 Lighting24 Textiles | Registered | 1980 |
| HYTEC 0359259 · TMA194318 | Hydraulic Technologies USA LLC (Delaware limited liability company) | 7 Machines | Registered | 1973 |
| HETECH 2286944 | Yichun Xiongya Electronic Commerce Co. Ltd. | 9 Electronics | Pending | 2023 |
| HETTAS 2094209 | Hettas Sport Ltd. | 18 Leather21 Housewares25 Clothing+2 | Pending | 2021 |
| Heittis 2124303 · TMA1220409 | Zhoukou Selaginella Trading Co. Ltd. | 6 Metal | Registered | 2024 |
| HAYTECH 2290270 · design | an individual | 9 Electronics | Pending | 2023 |
| HDX 2273414 · TMA1266081 | Home Depot International, Inc. | 19 Building21 Housewares22 Ropes | Registered | 2024 |
| HDX 2272435 · TMA1266079 | Home Depot International, Inc. | 1 Chemicals5 Pharmaceuticals | Registered | 2024 |
| HOTOUCH 2229313 · TMA1207990 | Shenzhen Sailvan Network Technology Co.Ltd. | 25 Clothing | Registered | 2023 |
| HOWDAS 2223447 · TMA1249975 · design | Yongkang Yihao Industry and Trade Co., Ltd. | 28 Toys | Registered | 2024 |
| HADDOCKWAY 2216504 · TMA1245438 | NINGBO YISUN GRAND IMP. & EXP. CO., LTD. | 20 Furniture | Registered | 2024 |
| HUTOX 2193960 · TMA1278933 | Huons Bio Pharma Co. Ltd. | 5 Pharmaceuticals | Registered | 2024 |
| HDX 2192406 · TMA1265434 · design | Home Depot International, Inc. | 3 Cosmetics20 Furniture21 Housewares+1 | Registered | 2024 |
| HDX 2192405 · TMA1265433 · design | Home Depot International, Inc. | 3 Cosmetics20 Furniture21 Housewares+1 | Registered | 2024 |