| SUNCURVE 1465396 · TMA788094 | Skyfold Investments Ltd. | 6 Metal20 Furniture | Registered | 2011 |
| SunCore 2006823 · TMA1202300 | Northern Cables Inc. | 9 Electronics | Registered | 2023 |
| SYNCURE 1150849 · TMA617490 | Avient Corporation | 17 Rubber | Registered | 2004 |
| SUNCARE 0812793 · TMA482513 | SUN LIFE ASSURANCE COMPANY OF CANADA | 36 Finance | Registered | 1997 |
| SUNCARE 0620701 · TMA365909 | THE SUNRIDER CORPORATION d.b.a. SUNRIDER INTERNATIONAL, (A UTAH CORPORATION) | 3 Cosmetics | Registered | 1990 |
| SUNCARE 1994883 · design | THANTAWAN INDUSTRY PUBLIC COMPANY LIMITED | 11 Lighting16 Paper21 Housewares+1 | Pending | 2019 |
| SUNCARTE 1484123 · TMA866885 | Sun Chemical Corporation | 2 Paints | Registered | 2013 |
| SYNOCURE 2307942 | an individual | 1 Chemicals2 Paints | Pending | 2023 |
| SENSCURE 2251455 · design | Ningbo SensCure Biotechnology Co. Ltd. | 10 Medical | Pending | 2022 |
| SYNCURVE 2128828 | L. B. Foster Company | 4 Oils | Pending | 2021 |
| SANSURE 2048053 · TMA1182425 · design | Sansure Biotech Inc. | 5 Pharmaceuticals10 Medical | Registered | 2023 |
| SANSURE 2037056 · TMA1182403 · design | Sansure Biotech Inc. | 5 Pharmaceuticals10 Medical | Registered | 2023 |
| SUNCOR 1613231 · TMA907167 · design | Suncor Energy Inc. | 1 Chemicals4 Oils19 Building+6 | Registered | 2015 |
| SUNCOR 1613223 · TMA907168 · design | Suncor Energy Inc. | 1 Chemicals4 Oils19 Building+3 | Registered | 2015 |
| SUNCOR 0445731 · TMA255457 · design | Suncor Energy Inc. | 1 Chemicals4 Oils | Registered | 1981 |
| SUNCOR 0445730 · TMA255456 | Suncor Energy Inc. | 1 Chemicals4 Oils19 Building+6 | Registered | 1981 |
| SunSare 2325600 | Shenzhen Narisa Technology Co. Ltd. | 7 Machines | Pending | 2024 |
| SINCERE 2292784 · design | Owner not listed | 9 Electronics35 Advertising36 Finance+2 | Pending | 2023 |
| Sincere 2290964 | an individual | 35 Advertising | Pending | 2023 |
| SAUNACORE 1947358 · TMA1192357 | 2801228 Ontario Inc. | 3 Cosmetics8 Hand9 Electronics+4 | Registered | 2023 |
| SYNCHSURE 1789089 · TMA1025389 | Boehringer Ingelheim Vetmedica GmbH | 5 Pharmaceuticals | Registered | 2019 |
| SUNSOURCE 0805604 · TMA488036 | SUNSOURCE FOODS INC./ALIMENTS SUNSOURCE INC. | 29 Meat | Registered | 1998 |
| SUNNYCARE 0923291 | SUNNYBROOK HEALTH SCIENCES CENTRE | 1 Chemicals2 Paints3 Cosmetics+42 | Pending | 2015 |
| SUNCREAT 2341935 · TMA1279686 | Jarder Home Ningbo CO. Ltd | 11 Lighting20 Furniture22 Ropes | Registered | 2024 |
| SYNCOURT 1953011 · TMA1223401 | APT Advanced Polymer Technology Corp. | 19 Building | Registered | 2024 |