| SUMMERVIEW 1375132 · TMA755149 | MAXXMAR INC. | 6 Metal19 Building20 Furniture+1 | Registered | 2009 |
| SUMMERVILLE 1375131 · TMA738979 | MAXXMAR INC. | 6 Metal19 Building20 Furniture+1 | Registered | 2009 |
| SUMMERFEST 1272601 · TMA723638 | SIERRA NEVADA BREWING CO. | 32 Beer | Registered | 2008 |
| SUMMERFRUITS 1178903 · TMA613177 | an individual | 30 Coffee | Registered | 2004 |
| SUMMERFOLK 0684164 · TMA413353 | GEORGIAN BAY FOLK SOCIETY | 35 Advertising41 Education | Registered | 1993 |
| SummerFall 2360769 | WAKAZE Co. Ltd. | 33 Wine | Pending | 2024 |
| SUMMERFUL 2048565 | an individual | 18 Leather24 Textiles25 Clothing | Pending | 2020 |
| SUMMERBERRY 2001641 · TMA1148784 | MASTRONARDI PRODUCE LTD. | 31 Fresh | Registered | 2022 |
| SummerFun 1473356 · TMA794247 | Centre AngloPro/AngloFun | 41 Education | Registered | 2011 |
| SUMMERFUNFITNESS 2309727 | Summerfunfitness | 35 Advertising38 Telecommunications41 Education | Pending | 2024 |
| SMARFORM 2209585 · TMA1228497 · design | Fengh Medical Co. Ltd | 10 Medical | Registered | 2024 |
| smorfit 2156418 · TMA1212142 | Shenzhen Hongyue Information Technology Co.Ltd. | 9 Electronics | Registered | 2023 |
| SAMIROB 2115919 · TMA1182997 · design | Shenzhen Xinming Electronics Co. , Ltd. | 9 Electronics | Registered | 2023 |
| SMARFI 2091005 · TMA1150629 | Owner not shown | 36 Finance | Registered | 2022 |
| SYNERBRIDGE 2070309 · TMA1160285 | Synerbridge Solutions Inc. | 35 Advertising42 Science | Registered | 2023 |
| SANIRIBS 2002118 · TMA1127134 | an individual | 7 Machines | Registered | 2022 |
| SUNWRAP 1993777 · TMA1257366 · design | THANTAWAN INDUSTRY PUBLIC COMPANY LIMITED | 16 Paper | Registered | 2024 |
| SUMARPO 1948724 · TMA1119764 | SHANGHAI RAYMOUNT SPORTS CO. LTD | 9 Electronics18 Leather25 Clothing+2 | Registered | 2022 |
| SUMARPO 1948448 · TMA1119763 · design | SHANGHAI RAYMOUNT SPORTS CO. LTD | 9 Electronics18 Leather25 Clothing+2 | Registered | 2022 |
| SCANROPE 1887019 · TMA1062717 | Bridon International Limited | 6 Metal22 Ropes | Registered | 2019 |
| SYNRIBO 1878970 · TMA1063149 | Teva Pharmaceuticals International GmbH | 5 Pharmaceuticals | Registered | 2019 |
| SUNREPORT 1845331 · TMA1146236 | Owner not shown | 9 Electronics42 Science | Registered | 2022 |
| SENRAFA 1797788 · TMA1038342 | GLAXO GROUP LIMITED | 5 Pharmaceuticals | Registered | 2019 |
| SENREVE 1797040 · TMA1042988 | Project 1920, Inc. | 9 Electronics14 Jewellery16 Paper+1 | Registered | 2019 |
| smearforsmear 1769876 · TMA1043022 | Sweet Spot Labs, Inc. | 3 Cosmetics5 Pharmaceuticals21 Housewares+4 | Registered | 2019 |