| SALINEX 0425987 · TMA243113 | Exzell Pharma Inc. | 5 Pharmaceuticals | Registered | 1980 |
| SLINEX 2259729 · design | Slinex International Limited | 9 Electronics | Pending | 2022 |
| SheLins 2214267 · TMA1244370 | Shenzhen Xinxing Hengyue Electronics Commerce Co., Ltd. | 10 Medical | Registered | 2024 |
| slink 2069816 · TMA1135844 | SLINK, INC | 42 Science | Registered | 2022 |
| SYLink 1964006 · TMA1242040 | an individual | 9 Electronics42 Science45 Legal | Registered | 2024 |
| SLING 1930727 · TMA1146151 | an individual | 9 Electronics38 Telecommunications41 Education+1 | Registered | 2022 |
| SLING 1930231 · TMA1146150 · design | an individual | 9 Electronics38 Telecommunications41 Education | Registered | 2022 |
| SOLNYX 1576727 · TMA897724 | SOLNYX CONSULTANTS INC. | 35 Advertising41 Education | Registered | 2015 |
| Slimax 1558238 · TMA867775 | BEYES DENTAL CANADA INC. | 5 Pharmaceuticals10 Medical44 Medical | Registered | 2013 |
| SLING 1446131 · TMA910213 | an individual | 9 Electronics38 Telecommunications | Registered | 2015 |
| SOLINCO 1359637 · TMA792055 · design | Owner not shown | 18 Leather25 Clothing28 Toys | Registered | 2011 |
| SALINAS 1149011 · TMA619573 · design | an individual | 25 Clothing | Registered | 2004 |
| SLINGO 1015316 · TMA541027 | Gaming Realms PLC | 9 Electronics | Registered | 2001 |
| SLINK 0881607 · TMA527922 · design | Panasonic Industrial Devices SUNX Co., Ltd. | 9 Electronics | Registered | 2000 |
| SLINGO 0860845 · TMA508714 | Gaming Realms PLC | 9 Electronics28 Toys41 Education | Registered | 1999 |
| SOLINST 0779687 · TMA464335 | SOLINST CANADA LTD. | 9 Electronics35 Advertising | Registered | 1996 |
| SLINKY 0583898 · TMA344460 | ERNIE BALL, INC. | 15 Musical | Registered | 1988 |
| SILONEX 0463204 · TMA270659 · design | SILONEX INC. | 7 Machines9 Electronics | Registered | 1982 |
| SILONEX 0463015 · TMA269315 | SILONEX INC. | 7 Machines9 Electronics | Registered | 1982 |
| SOLNUS 0195845 · UCA27590 | SUN LUBRICANTS AND SPECIALTY PRODUCTS INC. | 4 Oils | Registered | 1947 |
| "SLINKY" 0192765 · UCA24189 | Just Play, LLC | 28 Toys | Registered | 1946 |
| SLING 2345295 · design | Sand/e Bag LLC | 21 Housewares | Pending | 2024 |
| SLING 2345294 | Sand/e Bag LLC | 21 Housewares | Pending | 2024 |
| SLING 2225383 | Avian Labs Inc. | 9 Electronics35 Advertising36 Finance+2 | Pending | 2022 |
| SLING 2208173 | Sling Therapeutics, Inc. | 42 Science | Pending | 2022 |