| SONOTEK 0324814 · TMA172351 | an individual | 9 Electronics | Registered | 1970 |
| SUNTEK 2064886 · TMA1133415 · design | Qingdao Crowntyre Industrial Co. Ltd. | 12 Vehicles | Registered | 2022 |
| SYNTEK 1865765 · TMA1059412 | Vinventions USA, LLC | 17 Rubber20 Furniture | Registered | 2019 |
| SUNTEK 1100154 · TMA604355 · design | SUNTEK INDUSTRIES, LTD., a legal entity | 3 Cosmetics24 Textiles | Registered | 2004 |
| SENTEK 2334594 · design | Sentek Security Ltd | 9 Electronics | Pending | 2024 |
| SANITEK 1029054 · TMA546100 | LALEMA INC. | 9 Electronics | Registered | 2001 |
| SONATEX 0558683 · TMA324426 | Jacobs & Thompson Inc. | 5 Pharmaceuticals16 Paper17 Rubber+5 | Registered | 1987 |
| SYNTEKO 0274848 · TMA137180 | Owner not shown | 1 Chemicals2 Paints3 Cosmetics | Registered | 1964 |
| SNOWTEK 2342472 | Owner not listed | 20 Furniture | Pending | 2024 |
| SONITEC 2247308 · design | DEXTRA ASIA COMPANY LIMITED | 6 Metal | Pending | 2022 |
| SYANTEK 2052411 · design | Ningbo Baihuang Electric Appliances Co.,Ltd. | 9 Electronics11 Lighting | Pending | 2020 |
| SYNTEQ 2143184 · TMA1185492 | DONALDSON COMPANY, INC. | 7 Machines | Registered | 2023 |
| SENTEQ 1873757 · TMA1077132 · design | SENTEQ CO. LTD. a legal entity | 9 Electronics10 Medical28 Toys | Registered | 2020 |
| SUNTEC 1840311 · TMA1009504 · design | SUNTEC CO. LTD. a legal entity | 11 Lighting | Registered | 2018 |
| SUNTAK 1608200 · TMA868674 · design | Suntak Technology Co. Ltd. | 9 Electronics | Registered | 2014 |
| SYNTEC 1480186 · TMA792201 | O'Reilly Automotive Stores, Inc. | 4 Oils | Registered | 2011 |
| SUNTEC 1468203 · TMA798791 | an individual | 2 Paints | Registered | 2011 |
| SANTEC 1414415 · TMA769320 | 0016663 Ontario Inc. dba Santec Equipment | 35 Advertising | Registered | 2010 |
| SYNTEC 1413934 · TMA817046 | Syntec Import & Export Ltd. | 17 Rubber19 Building | Registered | 2012 |
| SUNTEX 1392958 · TMA749582 | Suntek Industries, Ltd. | 3 Cosmetics | Registered | 2009 |
| SUNTEC 0537097 · TMA387371 · design | SUNTEC INDUSTRIES, INC. | 7 Machines | Registered | 1991 |
| SUNDEK 0506080 · TMA289583 · design | Sundek, LLC (a North Carolina limited liability company) | 25 Clothing | Registered | 1984 |
| SYNTEX 2297008 | Medline Industries, LP | 10 Medical | Pending | 2023 |
| SYNTEX 2086611 | Microsoft Corporation | 9 Electronics42 Science | Pending | 2021 |
| SYNTEC 2084336 · design | SYNTEC INDUSTRIES, LLC | 24 Textiles27 Carpets | Pending | 2021 |