| SUNSPECTRO 1392226 · TMA794960 | an individual | 2 Paints | Registered | 2011 |
| SUNSPERSE 1998375 · TMA1103342 | an individual | 2 Paints | Registered | 2021 |
| SUNSPEAR 1899393 · TMA1084379 | Nissan Chemical Corporation | 5 Pharmaceuticals | Registered | 2020 |
| SUNSPEC 2072997 | Bio-Med Research Technology Inc | 9 Electronics11 Lighting42 Science+1 | Pending | 2020 |
| SUNSPEL 1948417 · TMA1217795 | Thomas A. Hill Limited | 3 Cosmetics9 Electronics14 Jewellery+4 | Registered | 2024 |
| SUNSPACE 1925359 · TMA1231928 · design | Sunspace Modular Enclosures Inc. | 6 Metal37 Construction | Registered | 2024 |
| SUNSPACE 1925358 · TMA1231929 · design | Sunspace Modular Enclosures Inc. | 6 Metal37 Construction | Registered | 2024 |
| SUNSPACE 1925357 · TMA1231930 | Sunspace Modular Enclosures Inc. | 6 Metal37 Construction | Registered | 2024 |
| SUNSPHERE 1758935 · TMA1042378 | Sunovion Pharmaceuticals Inc. | 10 Medical | Registered | 2019 |
| SUNSPUN 1754729 · TMA955780 | LOBLAWS INC. | 16 Paper29 Meat30 Coffee | Registered | 2016 |
| SUNSPHERES 1622591 · TMA882177 | Rohm and Haas Company | 1 Chemicals | Registered | 2014 |
| SUNSPUN 1326647 · TMA769649 | 1000929928 Ontario Inc. | 16 Paper29 Meat30 Coffee | Registered | 2010 |
| SUNSPOT 1156972 · TMA626974 · design | TEST RITE INTERNATIONAL CO., LTD. | 11 Lighting | Registered | 2004 |
| SUNSPIRE 1032475 · TMA556344 | The Hain Celestial Group, Inc. | 29 Meat30 Coffee | Registered | 2002 |
| SUNSPORT 0736274 · TMA456208 · design | THE SUNRIDER CORPORATION, DOING BUSINESS IN THE PROVINCE OF QUEBEC UNDER NAME SUNRIDER INTERNATIONAL | 5 Pharmaceuticals21 Housewares | Registered | 1996 |
| SYNSPEC 0729773 · TMA433461 | TotalEnergies Marketing Canada Inc. | 1 Chemicals4 Oils | Registered | 1994 |
| SUNSPREE 0692885 · TMA440742 | Six Continents Hotels, Inc. | 41 Education43 Restaurants | Registered | 1995 |
| SUNSPOT 0565205 · TMA326739 | SUN LUBRICANTS AND SPECIALTY PRODUCTS INC. | 35 Advertising42 Science | Registered | 1987 |
| SUNSPRAY 0537253 · TMA313284 | Hollymarks, LLC | 5 Pharmaceuticals | Registered | 1986 |
| SUNSPUN 0525313 · TMA300901 · design | LOBLAWS INC. | 29 Meat30 Coffee32 Beer+1 | Registered | 1985 |
| SUNSPUN 0164389 · UCA3166 | 1000929928 Ontario Inc. | 29 Meat30 Coffee32 Beer+1 | Registered | 1934 |
| SUNSPLIT 2282582 | Dominion City Brewing Company Inc. | 32 Beer | Pending | 2023 |
| Sensiband 2258640 · TMA1269034 | Owner not listed | 10 Medical | Registered | 2024 |
| SMASHBOX 2255763 · TMA1271638 | an individual | 35 Advertising | Registered | 2024 |
| syncup 2253306 · TMA1276092 | TIANJIN HUALAI TECHNOLOGY CO. LTD. | 9 Electronics35 Advertising | Registered | 2024 |