| HOSTASTAT 0431724 · TMA257732 | Hoechst GmbH | 1 Chemicals | Registered | 1981 |
| HOSTASIN 0323646 · TMA169322 | Hoechst GmbH | 2 Paints | Registered | 1970 |
| HOSTAZYM 1871168 · TMA1073101 | an individual | 5 Pharmaceuticals | Registered | 2020 |
| HOSTACOM 0653291 · TMA411324 | Hoechst GmbH | 1 Chemicals | Registered | 1993 |
| HOSTASOL 0327818 · TMA172412 | Hoechst GmbH | 2 Paints | Registered | 1970 |
| Histasolv 2004334 · TMA1176218 | an individual | 5 Pharmaceuticals | Registered | 2023 |
| HOSTESS 1970244 · TMA1177000 · design | PepsiCo Canada ULC, c/o/b as Frito Lay Canada | 29 Meat | Registered | 2023 |
| HOSTGATOR 1902719 · TMA1097914 | HostGator.com, LLC | 38 Telecommunications42 Science45 Legal | Registered | 2021 |
| HOSTESS 1781357 · TMA1155813 | Boulangerie Vachon Inc. / Vachon Bakery Inc. | 30 Coffee | Registered | 2022 |
| HOSTESS 0764454 · TMA457357 · design | Boulangerie Vachon Inc. / Vachon Bakery Inc. | 30 Coffee | Registered | 1996 |
| HOSTESS 0723613 · TMA463297 · design | PepsiCo Canada ULC, c/o/b as Frito Lay Canada | 29 Meat | Registered | 1996 |
| HOSTESS 0649697 · TMA388644 · design | Boulangerie Vachon Inc. / Vachon Bakery Inc. | 30 Coffee | Registered | 1991 |
| HOSTACOR 0589701 · TMA346995 | Hoechst GmbH | 1 Chemicals | Registered | 1988 |
| HOSTESS 0484409 · TMDA37702 | Boulangerie Vachon Inc. / Vachon Bakery Inc. | 30 Coffee | Registered | 1925 |
| HOSTESS 0439234 · TMA253881 | PepsiCo Canada ULC, c/o/b as Frito Lay Canada | 29 Meat30 Coffee | Registered | 1980 |
| HOSTESS 0248901 · TMA121471 | Maple Leaf Foods Inc./Les Aliments Maple Leaf Inc. | 29 Meat | Registered | 1961 |
| HOSTESS 0241726 · TMA114217 | Boulangerie Vachon Inc. / Vachon Bakery Inc. | 30 Coffee | Registered | 1959 |
| HOSTESS 0152052 · TMDA50009 | PepsiCo Canada ULC, c/o/b as Frito Lay Canada | 29 Meat30 Coffee31 Fresh | Registered | 1930 |
| HOSTAGE 2318131 | Neist Media LLC | 5 Pharmaceuticals10 Medical25 Clothing+2 | Pending | 2023 |
| HOSTAGE 2283345 | an individual | 3 Cosmetics25 Clothing | Pending | 2023 |
| HOSTAGE 2280026 | an individual | 12 Vehicles32 Beer33 Wine+1 | Pending | 2023 |
| HOSTESS 2264186 · design | Owner not listed | 30 Coffee | Pending | 2023 |
| HEXSTIX 2256736 · TMA1276272 | PHILLIPS SCREW COMPANY | 6 Metal | Registered | 2024 |
| HISTOSONICS 2248038 · TMA1269943 | HistoSonics, Inc. | 10 Medical12 Vehicles | Registered | 2024 |
| HOSTDX 2228227 · TMA1244521 | Inflammatix, Inc. | 42 Science44 Medical | Registered | 2024 |