| SiYPro 1767474 · TMA978371 | Evonik Operations GmbH | 1 Chemicals | Registered | 2017 |
| SOPRO 1383224 · TMA775109 · design | Duckback Acquisition Corp. | 1 Chemicals2 Paints | Registered | 2010 |
| SOPRO 1174977 · TMA622067 | Owner not shown | 10 Medical | Registered | 2004 |
| SOPRO 2314642 | THE SOUTHERN PROPER COMPANY, LLC | 25 Clothing | Pending | 2024 |
| SHOPPRO 1284739 · TMA690569 | MAL Manufacturing Automation Laboratories Inc. | 7 Machines9 Electronics42 Science | Registered | 2007 |
| SOFORO 2125090 · TMA1225921 · design | SARAYA CO. LTD. | 1 Chemicals3 Cosmetics5 Pharmaceuticals | Registered | 2024 |
| SAPRO 2014050 · TMA1198473 · design | Owner not shown | 3 Cosmetics5 Pharmaceuticals16 Paper | Registered | 2023 |
| SOPURO 1783020 · TMA1002955 | INOPRO INC. | 5 Pharmaceuticals | Registered | 2018 |
| SOVARO 1734125 · TMA947535 | Sovaro Coolers, LLC | 21 Housewares | Registered | 2016 |
| SEPRO 1672429 · TMA926113 · design | an individual | 7 Machines9 Electronics | Registered | 2016 |
| SOYPUR 1529806 · TMA832576 | Owen & Company Limited | 20 Furniture | Registered | 2012 |
| SIEPRO 1258843 · TMA717848 | Siemens Industry, Inc. (a Delaware corporation) | 9 Electronics35 Advertising36 Finance+3 | Registered | 2008 |
| SUPRO 1254640 · TMA677046 | DAG Audio Group LLC | 9 Electronics15 Musical | Registered | 2006 |
| SUPRO 1254076 · TMA677047 | DAG Audio Group LLC | 15 Musical | Registered | 2006 |
| SEPRO 1143107 · TMA596740 | Petro-Canada Lubricants Inc. | 4 Oils | Registered | 2003 |
| SIFPRO 1128077 · TMA618212 | an individual | 9 Electronics16 Paper37 Construction+2 | Registered | 2004 |
| SEFPRO 1124431 · TMA629901 | Owner not shown | 1 Chemicals11 Lighting19 Building | Registered | 2005 |
| SPYRO 0877929 · TMA607228 | Activision Publishing, Inc. (a Delaware corporation) | 9 Electronics | Registered | 2004 |
| SHOPRO 0779825 · TMA492515 | HOLLAND IMPORTS INC. | 8 Hand9 Electronics | Registered | 1998 |
| SUPRO 0613066 · TMA364870 | SOLAE, LLC | 29 Meat | Registered | 1990 |
| SEAPRO 0540264 · TMA313734 · design | EASTERN SEA PRODUCTS LTD. | 29 Meat | Registered | 1986 |
| SOFERO 2253460 | Owner not shown | 1 Chemicals5 Pharmaceuticals | Pending | 2023 |
| SUPRO 2104001 | DAG Audio LLC | 25 Clothing | Pending | 2021 |
| SAPPORO 1777643 · TMA1037002 · design | Sapporo Holdings Limited | 31 Fresh | Registered | 2019 |
| SAPPORO 1560548 · TMA843828 · design | Sapporo Holdings Kabushiki Kaisha, also trading as Sapporo Holdings Limited | 32 Beer | Registered | 2013 |