| HASCO 1327373 · TMA703091 | HASCO Hasenclever GmbH + Co KG | 6 Metal7 Machines8 Hand+2 | Registered | 2007 |
| HASCO 0392976 · TMA219663 | HASCO Hasenclever GmbH + Co KG | 6 Metal7 Machines | Registered | 1977 |
| HESHCO 2087619 · design | an individual | 25 Clothing28 Toys | Pending | 2021 |
| HUSCO 2250378 · TMA1274338 | HUSCO INTERNATIONAL, INC. | 7 Machines9 Electronics | Registered | 2024 |
| HASO 1808452 · TMA1104382 · design | Haso Ltd. | 3 Cosmetics5 Pharmaceuticals6 Metal+10 | Registered | 2021 |
| HASO 1797792 · TMA1030156 | Haso Ltd. | 5 Pharmaceuticals25 Clothing | Registered | 2019 |
| 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 |
| HASHI 1715886 · TMA935665 | 2328150 Ontario Inc. | 43 Restaurants | Registered | 2016 |
| HESCO 1605305 · TMA888874 | Hesco Bastion Limited | 6 Metal19 Building20 Furniture+1 | Registered | 2014 |
| HAYCO 1581420 · TMA906562 | HAYCO MANUFACTURING LIMITED | 6 Metal11 Lighting20 Furniture+3 | Registered | 2015 |
| HAZCO 1405084 · TMA764761 · design | Secure Energy Services Inc. | 37 Construction39 Transport40 Treatment+2 | Registered | 2010 |
| HAZCO 1405081 · TMA764758 | Secure Energy Services Inc. | 37 Construction39 Transport40 Treatment+2 | Registered | 2010 |
| HESCO 1236092 · TMA652366 | Hesco Bastion Limited | 2 Paints6 Metal19 Building+2 | Registered | 2005 |
| HAYCO 1053870 · TMA564550 | HAYCO MANUFACTURING LIMITED | 6 Metal7 Machines8 Hand+3 | Registered | 2002 |
| HACO 0832341 · TMA505102 | HACO AG, A/T/A HACO S.A. AND HACO LTD. | 3 Cosmetics5 Pharmaceuticals29 Meat+3 | Registered | 1998 |
| HOSCO 0597381 · TMA346502 | Hosco Fittings, LLC | 9 Electronics | Registered | 1988 |
| HUSCO 0427639 · TMA247009 | HUSCO INTERNATIONAL, INC. (A DELAWARE CORPORATION) | 7 Machines11 Lighting12 Vehicles | Registered | 1980 |
| HUSCO 0317418 · TMA164527 | HUSCO INTERNATIONAL, INC. (A DELAWARE CORPORATION) | 7 Machines11 Lighting12 Vehicles | Registered | 1969 |
| Hyashee 2208611 · TMA1241604 | an individual | 9 Electronics | Registered | 2024 |
| HUSKY 2356883 · TMA881975 | Owner not listed | 11 Lighting | Registered | 2014 |
| HUSKY 2356882 · TMA881975 | Owner not listed | 11 Lighting21 Housewares | Registered | 2014 |
| HZ350e 2305285 · TMA1254279 | TOYOTA JIDOSHA KABUSHIKI KAISHA (ALSO TRADING AS TOYOTA MOTOR CORPORATION) | 12 Vehicles | Registered | 2024 |
| HZ550e 2305281 · TMA1254278 | TOYOTA JIDOSHA KABUSHIKI KAISHA (ALSO TRADING AS TOYOTA MOTOR CORPORATION) | 12 Vehicles | Registered | 2024 |
| HZ450e 2305135 · TMA1254277 | TOYOTA JIDOSHA KABUSHIKI KAISHA (ALSO TRADING AS TOYOTA MOTOR CORPORATION) | 12 Vehicles | Registered | 2024 |