| StaffWISE 0928874 | NOVA SCOTIA COLLEGE OF PHARMACISTS | – | Pending | 2025 |
| STIFFAST 2259459 · TMA1277910 · design | HUNG TAI BUILDING CONSTRUCTION & ENGINEERING CO. LIMITED | 6 Metal | Registered | 2024 |
| STAFFCAM 1425895 · TMA777532 | ENVIRONMENTAL 360 SOLUTIONS (ONTARIO) LTD. | 9 Electronics | Registered | 2010 |
| STAFFGUARD 1572345 · TMA859404 | ENSURCO INSURANCE GROUP INC. | 36 Finance | Registered | 2013 |
| STAFFQUEST 1243357 · TMA651917 | Staffquest Placement Group Inc. | 35 Advertising | Registered | 2005 |
| SHADOWBASE 1105290 · TMA595691 | Gravic, Inc. (a Pennsylvania corporation) | 9 Electronics | Registered | 2003 |
| STAFFSAVVY 2240736 · design | Owner not listed | 35 Advertising42 Science | Pending | 2023 |
| StaffStat 1711735 · TMA981606 | an individual | 9 Electronics42 Science | Registered | 2017 |
| STUFFIES 1652296 · TMA896375 | PlanetArt, LLC | 28 Toys | Registered | 2015 |
| STUFFS 1199179 · TMA624841 | Maple Leaf Foods Inc./Les Aliments Maple Leaf Inc. | 7 Machines9 Electronics12 Vehicles+4 | Registered | 2004 |
| STAFAC 0413304 · TMA235802 · design | Phibro Animal Health Corporation | 5 Pharmaceuticals | Registered | 1979 |
| STAFAC 0356141 · TMA223892 | Phibro Animal Health Corporation (a New York corporation) | 5 Pharmaceuticals | Registered | 1977 |
| STEFFES 2347925 | Steffes Group, Inc. | 35 Advertising36 Finance | Pending | 2024 |
| SIDEPIECE 2270791 · TMA1260263 · design | SHENZHEN FUNYIN ELECTRONIC TECHNOLOGY CO.,LTD | 34 Tobacco | Registered | 2024 |
| Stepace 2237938 · TMA1261418 | Shenzhen fengtu trading co. ltd. | 26 Sewing | Registered | 2024 |
| SUTPSL 2210416 · TMA1246481 | an individual | 25 Clothing | Registered | 2024 |
| STEPCRAFT 2183918 · TMA1213621 | NORTHWEST PODIATRIC LABORATORY, INC. | 10 Medical | Registered | 2023 |
| STEPSTONE 2176492 · TMA1207943 | STEPSTONE GROUP LP | 36 Finance | Registered | 2023 |
| Sydbecs 2175208 · TMA1259443 | Shenzhen Sibeishi Technology Co. Ltd. | 25 Clothing | Registered | 2024 |
| SATIVEX 2128227 · TMA1266763 | GW Pharma Ltd | 41 Education42 Science44 Medical | Registered | 2024 |
| StaiBC 2125868 · TMA1216198 | Shenzhen Yiyou Changqing Technology Co., Ltd. | 12 Vehicles | Registered | 2023 |
| Stobicoll 2125122 · TMA1234335 | Stockmeier Urethanes GmbH & Co. KG | 1 Chemicals17 Rubber | Registered | 2024 |
| Stobicast 2123716 · TMA1231037 | Stockmeier Urethanes GmbH & Co. KG | 1 Chemicals2 Paints17 Rubber | Registered | 2024 |
| SWEETPEAKS 2087526 · TMA1171212 | Owner not shown | 31 Fresh | Registered | 2023 |
| STAPHGOLD 2085445 · TMA1192544 | KORU DIAGNOSTICS LIMITED | 5 Pharmaceuticals | Registered | 2023 |