| STYROBLOK 0476233 · TMA279689 | LAFARGE CANADA INC. | 19 Building | Registered | 1983 |
| STORYBLOCKS 2025407 · TMA1142686 | Footage Firm, Inc. | 42 Science | Registered | 2022 |
| STORYBLOCKS 1878437 · TMA1072052 | Footage Firm, Inc. | 35 Advertising45 Legal | Registered | 2020 |
| STYROBORD 0260141 · TMA123263 | DDP Specialty Electronic Materials US, LLC | 17 Rubber | Registered | 1961 |
| STYROFOAM 2243707 · TMA1261819 | DDP Specialty Electronic Materials US, LLC | 17 Rubber | Registered | 2024 |
| StripLok 2052252 · TMA1128513 | Freudenberg Oil & Gas, LLC | 17 Rubber | Registered | 2022 |
| STYROPEK 1748425 · TMA1005011 · design | Owner not shown | 1 Chemicals | Registered | 2018 |
| STYROPEK 1682408 · TMA976504 | Owner not shown | 1 Chemicals | Registered | 2017 |
| STYROVOID 1307902 · TMA688464 | AMC Foam Technologies Inc. | 17 Rubber | Registered | 2007 |
| STYROFLEX 1036811 · TMA570496 | INEOS Styrolution Europe GmbH | 1 Chemicals | Registered | 2002 |
| STYROBAR 0885436 · TMA531398 | AMC Foam Technologies Inc. | 17 Rubber | Registered | 2000 |
| STYROFOAM 0385719 · TMA218020 | DDP Specialty Electronic Materials US, LLC | 17 Rubber | Registered | 1976 |
| STRIPLOK 0286039 · TMA141673 | KWIK LOK CORPORATION | 6 Metal9 Electronics | Registered | 1965 |
| STYROPOR 0233144 · TMA103771 | an individual | 1 Chemicals17 Rubber19 Building+2 | Registered | 1956 |
| STYROFOAM 0209145 · UCA38082 | DDP Specialty Electronic Materials US, LLC | 1 Chemicals5 Pharmaceuticals6 Metal+10 | Registered | 1950 |
| STARFIELD 2284203 · TMA1163769 | Owner not listed | 9 Electronics14 Jewellery16 Paper+5 | Registered | 2023 |
| STARFACE 2273423 · TMA1247367 · design | Owner not listed | 3 Cosmetics5 Pharmaceuticals35 Advertising | Registered | 2024 |
| STREPTOPORC 2266688 · TMA1283462 | an individual | 5 Pharmaceuticals | Registered | 2025 |
| STARVPN 2260278 · TMA1279417 | an individual | 38 Telecommunications | Registered | 2024 |
| STARBITE 2258313 · TMA1276494 | an individual | 9 Electronics | Registered | 2024 |
| STARFIELD 2249574 · TMA1230754 · design | Owner not listed | 16 Paper25 Clothing28 Toys | Registered | 2024 |
| STOREFRONT 2248583 · TMA1243407 · design | Owner not listed | 36 Finance38 Telecommunications | Registered | 2024 |
| SKYDRIVE 2248523 · TMA1271294 | an individual | 14 Jewellery16 Paper18 Leather+4 | Registered | 2024 |
| STRIPE 2236482 · TMA1256915 | Flex Cannabis Exports Ltd. | 34 Tobacco | Registered | 2024 |
| Starfavor 2234018 · TMA1256690 | Shenzhen Shidaer Trading Co. Ltd. | 9 Electronics15 Musical | Registered | 2024 |