| HITEX 0992866 · NFLD2866 | THE MORGAN CRUCIBLE COMPANY plc | 9 Electronics10 Medical | Registered | 1947 |
| HITEC 0607308 · TMA407007 | Afton Chemical Corporation | 4 Oils | Registered | 1993 |
| HITEK 0522802 · TMA307092 | Global Total Office (an Ontario limited partnership) | 20 Furniture | Registered | 1985 |
| HITWISE 1548692 · TMA901437 | Connexity Audience, Inc. | 35 Advertising38 Telecommunications42 Science | Registered | 2015 |
| 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 |
| HETTEC 2201946 · TMA1280807 | HETTEC-components GmbH | 12 Vehicles | Registered | 2025 |
| 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 |
| HDX 2192404 · TMA1265432 | Home Depot International, Inc. | 3 Cosmetics20 Furniture21 Housewares+1 | Registered | 2024 |
| HDS 2183715 · TMA1278881 | Navico Group Americas LLC | 9 Electronics | Registered | 2024 |
| HYTEK 2160601 · TMA1261124 | HYTEK International Ltd. | 9 Electronics | Registered | 2024 |
| HOTOUCH 2155255 · TMA1206566 · design | Shenzhen Sailvan Network Technology Co.Ltd. | 18 Leather | Registered | 2023 |
| HYADES 2153897 · TMA1206518 | HYADES Group Ltd. | 7 Machines8 Hand10 Medical+1 | Registered | 2023 |
| HIDEXE 2130845 · TMA1244969 · design | an individual | 35 Advertising38 Telecommunications42 Science+1 | Registered | 2024 |
| HATSU 2129268 · TMA1193706 | an individual | 33 Wine | Registered | 2023 |
| Heittis 2124303 · TMA1220409 | Zhoukou Selaginella Trading Co. Ltd. | 6 Metal | Registered | 2024 |
| HDQ 2123450 · TMA1196812 | Janome Canada Ltd. | 7 Machines | Registered | 2023 |
| HouDeOS 2123134 · TMA1196801 | an individual | 9 Electronics | Registered | 2023 |
| Hidexe 2096392 · TMA1244930 | an individual | 35 Advertising38 Telecommunications42 Science+1 | Registered | 2024 |
| Hatiis 2092305 · TMA1186178 | NANJING YANJIAYU TRADE CO.LTD | 25 Clothing | Registered | 2023 |