| SUNCLOUD 1294484 · TMA687251 | Safilo USA, Inc. | 25 Clothing | Registered | 2007 |
| SUNCLOUD 0644294 · TMA381691 · design | Safilo USA, Inc. (a New Jersey corporation) | 9 Electronics | Registered | 1991 |
| SUNCLOUD 0484719 · TMA279009 | Safilo USA, Inc. (a New Jersey corporation) | 6 Metal9 Electronics20 Furniture | Registered | 1983 |
| SumiCloud 2177717 · TMA1259459 | Sumitomo Electric Industries, Ltd. | 9 Electronics42 Science | Registered | 2024 |
| SONOCLOUD 1956035 · TMA1203368 | CARTHERA | 10 Medical | Registered | 2023 |
| SKINCLAIR 0470024 · TMA319664 | an individual | 5 Pharmaceuticals | Registered | 1986 |
| SYMCLOUD 2258440 · design | Owner not listed | 9 Electronics38 Telecommunications42 Science | Pending | 2022 |
| SmashCloud 2048435 · TMA1146964 | 2701310 Ontario Inc. | 35 Advertising42 Science | Registered | 2022 |
| SUNCLUB 2098821 · TMA1173743 | an individual | 35 Advertising39 Transport43 Restaurants | Registered | 2023 |
| SUNCOLOUR 1866421 · TMA1060583 · design | Shanghai Aodian Hardware & Mechanism Co. Ltd. | 21 Housewares | Registered | 2019 |
| SINCLAIR 1787402 · TMA986956 · design | Sinclair Supply Ltd. | 35 Advertising40 Treatment41 Education | Registered | 2017 |
| SKINSKOOL 1757383 · TMA1064699 | Skinskool Inc. | 3 Cosmetics | Registered | 2019 |
| SKINGLIDE 1554263 · TMA890673 | W Sternoff LLC | 3 Cosmetics | Registered | 2014 |
| SkinGlide 1500423 · TMA875792 | an individual | 8 Hand | Registered | 2014 |
| SHINGLOK 1494594 · TMA821086 | 1371971 Ontario Inc. | 19 Building | Registered | 2012 |
| SINGLED 1478996 · TMA839300 | an individual | 10 Medical11 Lighting | Registered | 2013 |
| Skincell 1404579 · TMA753065 | Owner not shown | 9 Electronics25 Clothing41 Education | Registered | 2009 |
| SINCLAIR 0774305 · TMA465821 · design | Norsat International Inc. | 9 Electronics19 Building | Registered | 1996 |
| SINCLABS 0774303 · TMA467353 · design | Norsat International Inc. | 9 Electronics19 Building | Registered | 1996 |
| SINCLAIR 0294473 · TMA158118 · design | Sinclair Oil LLC | 1 Chemicals2 Paints4 Oils+5 | Registered | 1968 |
| SUNCLUB 2350419 · design | Shanghai Jilong Sport and Leisure Products Co. Ltd | 7 Machines11 Lighting12 Vehicles+3 | Pending | 2024 |
| SINCLAIR 2320600 · design | Sinclair International Limited | 7 Machines16 Paper37 Construction | Pending | 2024 |
| SINCOL 2267814 · design | SINCOL TECHNOLOGY CORPORATION LIMITED | 2 Paints | Pending | 2023 |
| SINCLAIR 2244021 | Sinclair Pharmaceuticals Limited | 3 Cosmetics5 Pharmaceuticals10 Medical | Pending | 2022 |
| SINGLAND 2102847 | an individual | 28 Toys | Pending | 2021 |