| SANDFREE 1870582 · TMA1065587 | Owner not shown | 7 Machines | Registered | 2019 |
| SANDFIRE 1637797 · TMA920252 | an individual | 20 Furniture35 Advertising | Registered | 2015 |
| SANDFIRE 0882755 · TMA523249 | SANDFIRE SCIENTIFIC LTD. | 7 Machines9 Electronics21 Housewares+3 | Registered | 2000 |
| SANDFLOWER 2103722 | In Mocean Group, LLC | 25 Clothing | Pending | 2021 |
| SANDWAVE 2259301 · TMA1277875 | Sandwave Technologies Inc. | 9 Electronics35 Advertising36 Finance+2 | Registered | 2024 |
| Sandwave 2249862 · TMA1234047 | Shenzhen Verdewell Technology Limited | 34 Tobacco | Registered | 2024 |
| SANDVINE 2198823 · TMA1284535 · design | SANDVINE CORPORATION | 9 Electronics37 Construction38 Telecommunications+1 | Registered | 2025 |
| SINDOFORM 1948354 · TMA1225558 | Refractory Intellectual Property GmbH & Co. Kg | 17 Rubber19 Building | Registered | 2024 |
| SANDOVER 1934162 · TMA1163039 | Delta Faucet Company | 11 Lighting21 Housewares | Registered | 2023 |
| SANDVINE 1930242 · TMA1182098 · design | SANDVINE CORPORATION | 9 Electronics38 Telecommunications42 Science | Registered | 2023 |
| SANDBAR 1874738 · TMA1059451 | Sandbar Hand Care, LLC | 8 Hand | Registered | 2019 |
| SANDBOX 1769014 · TMA962846 | Endeavor Design Inc. | 9 Electronics | Registered | 2017 |
| SANDBOX 1702528 · TMA1000137 | SandBox Logistics, LLC | 6 Metal39 Transport | Registered | 2018 |
| SANDFLOW 1397458 · TMA848556 | MEYER INTELLECTUAL PROPERTIES LIMITED a British Virgin Islands Corporation | 2 Paints | Registered | 2013 |
| SANDFAST 1226427 · TMA656326 · design | Red Devil - Sandfast, LLC | 3 Cosmetics8 Hand | Registered | 2006 |
| SANDFLEX 1153534 · TMA597181 | an individual | 7 Machines8 Hand | Registered | 2003 |
| SANDVINE 1111480 · TMA605624 | SANDVINE CORPORATION | 9 Electronics42 Science | Registered | 2004 |
| SANDBOSS 0614631 · TMA360508 | H.T. MOULE (MOULD) INC. | 7 Machines | Registered | 1989 |
| SANDBOXAQ 2351811 | SB Technology, Inc. | 9 Electronics10 Medical41 Education+1 | Pending | 2024 |
| SANDBOX 2224922 | Sandbox Mutual Insurance Company | 35 Advertising36 Finance45 Legal | Pending | 2022 |
| SANDBOXAQ 2209958 | SB Technology, Inc. | 9 Electronics10 Medical42 Science+1 | Pending | 2022 |
| SANDBERG 2203521 | an individual | 27 Carpets | Pending | 2022 |
| SANDBOX 0924507 · design | Ryerson University | 1 Chemicals2 Paints3 Cosmetics+42 | Pending | 2017 |
| SANTEVIA 2281396 · TMA1223326 · design | Santevia Water Systems Inc. | 11 Lighting | Registered | 2024 |
| SMOOTHFLOW 2263494 · TMA1284754 | TYCROP TRAILERS INC. | 12 Vehicles | Registered | 2025 |