| HARMONISE 1648023 · TMA919142 | Matthews International Corporation | 35 Advertising40 Treatment | Registered | 2015 |
| HARMONISE 1512462 · TMA881648 | Bradken Resources Pty Limited | 6 Metal7 Machines | Registered | 2014 |
| HARMONIST 2174898 · TMA1215505 | FINANCEHARMONIST | 35 Advertising | Registered | 2023 |
| HARMONIZE 1794213 · TMA1060650 | KERR CORPORATION a Delaware corporation | 5 Pharmaceuticals | Registered | 2019 |
| HARMONIE 1480520 · TMA813697 · design | Quebec Breast Cancer Foundation | 9 Electronics16 Paper35 Advertising+3 | Registered | 2011 |
| HARMONIE 1473039 · TMA796344 | Ballet Makers Inc. | 25 Clothing | Registered | 2011 |
| HARMONIE 1259043 · TMA670689 | Les Câbles Ben-Mor Inc. | 11 Lighting21 Housewares22 Ropes | Registered | 2006 |
| HARMONIZE 1027943 · TMA542828 | Grand Valley Fortifiers Ltd. | 1 Chemicals | Registered | 2001 |
| HARMONIE 0761008 · TMA469446 | SCA North America - Canada Inc./SCA Amerique Du Nord - Canada, Inc. | 3 Cosmetics5 Pharmaceuticals7 Machines+2 | Registered | 1997 |
| HARMONIE 0673375 · TMA449714 | SCA North America - Canada Inc./SCA Amerique Du Nord - Canada, Inc. | 25 Clothing | Registered | 1995 |
| HARMONIE 0266433 · TMA127589 | Federated Co-operatives Limited | 30 Coffee | Registered | 1962 |
| HARMONIE 0261269 · TMA127343 | Federated Co-operatives Limited | 3 Cosmetics6 Metal16 Paper+4 | Registered | 1962 |
| HARMONIX 2205389 · TMA1242666 | Environmental Science U.S. Inc. | 5 Pharmaceuticals | Registered | 2024 |
| Harmonia 2132101 · TMA1244972 | Stock Company «MEDICAL TECHNOLOGIES Ltd» | 10 Medical | Registered | 2024 |
| HARMONICA 2024651 · TMA1202439 | C&C Miranda Enterprises Inc. | 25 Clothing | Registered | 2023 |
| HARMONIA 1951109 · TMA1123327 | KREATICA INC. | 4 Oils14 Jewellery24 Textiles+3 | Registered | 2022 |
| HARMONIC 1895342 · TMA1026924 | Aurora Cannabis Enterprises Inc. | 3 Cosmetics5 Pharmaceuticals9 Electronics+14 | Registered | 2019 |
| HARMONICS 1789979 · TMA1028832 | MOHAWK CARPET LLC | 19 Building | Registered | 2019 |
| HARMONIC 1755678 · TMA999177 | HARMONIC INC. | 9 Electronics | Registered | 2018 |
| HARMONIA 1731451 · TMA986938 | 7912854 CANADA INC. | 35 Advertising37 Construction41 Education+1 | Registered | 2017 |
| HARMONIÄ 1677489 · TMA935179 | Groupe Lacasse Inc. | 20 Furniture | Registered | 2016 |
| HARMONIUM 1404265 · TMA784423 · design | LES PRODUCTIONS SERGE FIORI INC. | 9 Electronics16 Paper25 Clothing+4 | Registered | 2010 |
| HARMONIUM 1404260 · TMA784425 | LES PRODUCTIONS SERGE FIORI INC. | 9 Electronics16 Paper25 Clothing+4 | Registered | 2010 |
| HARMONIA 1338490 · TMA751842 | PARK LAWN CORPORATION | 45 Legal | Registered | 2009 |
| HARMONICS 1323921 · TMA729070 | MOHAWK CARPET LLC | 19 Building | Registered | 2008 |