| StrongRock 1868602 · TMA1073968 | an individual | 9 Electronics35 Advertising | Registered | 2020 |
| STRONGLINK 1803605 · TMA1045031 | StrongBox Data Solutions, Inc. | 9 Electronics35 Advertising38 Telecommunications+1 | Registered | 2019 |
| STRONGBACK 1803592 · TMA989376 | Strongback, LLC | 20 Furniture | Registered | 2018 |
| STRONGDOC 1499073 · TMA875847 · design | Grenville Management Inc. | 9 Electronics35 Advertising | Registered | 2014 |
| STRONGDOC 1499072 · TMA875848 | Grenville Management Inc. | 9 Electronics35 Advertising | Registered | 2014 |
| STRONGBOX 2165438 · TMA1249595 | DIALOG FITZROY LIMITED | 6 Metal19 Building | Registered | 2024 |
| StrongTek 2156315 · TMA1262677 | an individual | 28 Toys | Registered | 2024 |
| STRONGBOX 2069239 · TMA1175649 | SPRING MEADOW NURSERY, INC. | 31 Fresh | Registered | 2023 |
| STRONGCO 2034020 · TMA1161153 | an individual | 21 Housewares25 Clothing | Registered | 2023 |
| STRONGLED 2005121 · TMA1229229 · design | StrongLED Lighting Systems (Suzhou) Co. Ltd. | 9 Electronics11 Lighting | Registered | 2024 |
| STRONGBOW 2003543 · TMA1119642 | an individual | 32 Beer | Registered | 2022 |
| STRONGBOW 2003541 · TMA1119096 · design | an individual | 32 Beer33 Wine | Registered | 2022 |
| Stronghold 1979030 · TMA1148644 | Stronghold Insulation Systems, Inc. | 17 Rubber | Registered | 2022 |
| STRONGHOLD 1920134 · TMA1097811 | Gowan Company, L.L.C. | 5 Pharmaceuticals | Registered | 2021 |
| STRONGMOR 1899475 · TMA1103826 · design | TJ TRADING CO. INC. | 1 Chemicals16 Paper17 Rubber | Registered | 2021 |
| STRONGHORN 1829610 · TMA1033696 | an individual | 28 Toys | Registered | 2019 |
| STRONGBODY 1706656 · TMA986670 | Strongbody Apparel Inc. | 21 Housewares25 Clothing35 Advertising | Registered | 2017 |
| STRONGBOX 1626465 · TMA951088 · design | StrongBox Data Solutions, Inc. | 9 Electronics | Registered | 2016 |
| STREAMLOCK 1622429 · TMA1027103 | Wowza Media Systems, LLC | 9 Electronics38 Telecommunications42 Science | Registered | 2019 |
| STRONGHOLD 1600909 · TMA889117 · design | HANGZHOU TIANHENG MACHINERY CO. LTD. | 6 Metal7 Machines8 Hand+5 | Registered | 2014 |
| STORMLOCK 1566212 · TMA866255 · design | JACK WOLFSKIN AUSRÜSTUNG FÜR DRAUSSEN GMBH & CO. KGAA | 24 Textiles25 Clothing | Registered | 2013 |
| STRONGBOY 1525710 · TMA844663 | 90744442 qué inc Distribution Ritchi | 25 Clothing | Registered | 2013 |
| STRONGHOLD 1521526 · TMA850291 | Fastenal IP Company | 6 Metal7 Machines17 Rubber+1 | Registered | 2013 |
| STRONGBOX 1320236 · TMA749034 | StrongBox Data Solutions, Inc. | 9 Electronics | Registered | 2009 |
| STRONGHOLD 1294059 · TMA692376 | KOHLER CO. a corporation organized and existing under the laws of the State of Wisconsin | 11 Lighting | Registered | 2007 |