| SourceWeb 2174596 | SourceWeb Assets Ltd | 42 Science | Pending | 2021 |
| SOURCEPOINT 1225073 · TMA650019 | SOURCEPOINT. BUSINESS GROUP INC. | 35 Advertising36 Finance | Registered | 2005 |
| SOURCEBOOK 1661586 · TMA988687 · design | Boyd Technologies Corporation | 35 Advertising41 Education | Registered | 2018 |
| SOURCEPACT 2323138 | Owner not listed | 9 Electronics | Pending | 2024 |
| SOURCEBLUE 2049819 · design | The Turner Corporation, a Delaware corporation | 6 Metal7 Machines9 Electronics+8 | Pending | 2020 |
| SOURCEBLUE 2049818 | The Turner Corporation, a Delaware corporation | 6 Metal7 Machines9 Electronics+8 | Pending | 2020 |
| SOURCEFORGE 1081556 · TMA722797 | SourceForge Media, LLC | 9 Electronics37 Construction38 Telecommunications+1 | Registered | 2008 |
| SOURCEBREAKER 2232077 · TMA1220812 | Bullhorn, Inc. | 42 Science | Registered | 2024 |
| SUERCUP 2236524 · TMA1256920 | Hefei Bensiman Hardware Tools Trading Co. Ltd. | 8 Hand | Registered | 2024 |
| SOURCEABROAD 2224918 · TMA1251200 · design | Broder Bros. Co. | 24 Textiles | Registered | 2024 |
| SWERKSPACE 2222189 · TMA1248731 | 1000283075 ONTARIO INC. | 41 Education42 Science | Registered | 2024 |
| SurgiOptics 2198848 · TMA1238414 | Lenscan Medical Inc. | 10 Medical | Registered | 2024 |
| SURGIPLUS 2173920 · TMA1225324 · design | KENPAX INTERNATIONAL LIMITED | 10 Medical | Registered | 2024 |
| SHOWERSPECS 2152782 · TMA1189910 | an individual | 9 Electronics | Registered | 2023 |
| Sursip 2148766 · TMA1204208 | an individual | 21 Housewares | Registered | 2023 |
| SurExpress 2114028 · TMA1269651 | an individual | 36 Finance | Registered | 2024 |
| SURGIBOX 2073587 · TMA1138811 | Geister Medizintechnik GmbH | 10 Medical11 Lighting37 Construction | Registered | 2022 |
| Sourcefountainhead 2052349 · TMA1168064 | an individual | 28 Toys | Registered | 2023 |
| SEARCHFORCE 2031799 · TMA1135775 | Searchforce Incorporated | 35 Advertising | Registered | 2022 |
| SUREZAP 2027459 · TMA1133361 · design | an individual | 5 Pharmaceuticals21 Housewares | Registered | 2022 |
| SearchPath 2027423 · TMA1133356 | SearchPath Global, Inc | 35 Advertising | Registered | 2022 |
| SEARCHABILITY 2019432 · TMA1239359 | Searchability (UK) Ltd | 35 Advertising42 Science | Registered | 2024 |
| SURSPIDER 1968528 · TMA1121991 · design | Guangdong Shunde Huayan Electronic Technology Co. Ltd. | 7 Machines9 Electronics | Registered | 2022 |
| SHARKBYTE 1949200 · TMA1189047 | SHARKBYTE INC. | 35 Advertising42 Science | Registered | 2023 |
| SURGIFORT 1904323 · TMA1087612 | Prolacta Bioscience, Inc. | 5 Pharmaceuticals | Registered | 2020 |