| STRUCTUROC 1793146 · TMA1016021 | SOLHYDROC INC. | 19 Building35 Advertising41 Education+2 | Registered | 2019 |
| STRUCTUR3D 1709122 · TMA967112 | Structur3D Printing Incorporated | 1 Chemicals2 Paints7 Machines+10 | Registered | 2017 |
| STRUCTURES 1626023 · TMA881958 | CVB Inc dba Malouf Fine Linens | 20 Furniture35 Advertising | Registered | 2014 |
| STRUCTURE 1516405 · TMA818252 · design | ZOTOS INTERNATIONAL, INC. | 3 Cosmetics | Registered | 2012 |
| STRUCTURA 1442903 · TMA778365 | Portes Standard Inc. | 6 Metal19 Building | Registered | 2010 |
| STRUCTURA 1435674 · TMA801354 | an individual | 33 Wine | Registered | 2011 |
| STRUCTURA 1201849 · TMA691248 | Owner not shown | 30 Coffee | Registered | 2007 |
| STRUCTURES+ 0847843 · TMA517873 | Wire Rope Industries Ltd./Industries de Câbles d'Acier Ltée. | 6 Metal10 Medical17 Rubber+3 | Registered | 1999 |
| STRUCTURE 1967967 | an individual | 25 Clothing35 Advertising | Pending | 2019 |
| STRUCTURFILL 1560905 · TMA870095 | ADVANCED RESEARCH LTD | 1 Chemicals | Registered | 2014 |
| STRUCTURLAM 2072940 · TMA1280377 · design | STRUCTURLAM MASS TIMBER CORPORATION | 19 Building40 Treatment | Registered | 2025 |
| STRUCTURLAM 2072938 · TMA1280375 | STRUCTURLAM MASS TIMBER CORPORATION | 19 Building40 Treatment | Registered | 2025 |
| STRUCTUBE 1616404 · TMA896562 | STRUC-TUBE LTD STRUC-TUBE LTEE | 8 Hand9 Electronics11 Lighting+7 | Registered | 2015 |
| STRUKTURE 1377799 · TMA802742 | Ace Products Enterprises, Inc. | 15 Musical | Registered | 2011 |
| STRUCTUREVIEW 1801281 · TMA988899 | VCS Engineering, Inc. | 42 Science | Registered | 2018 |
| STRUCTURELITE 1071338 · TMA589878 | an individual | 20 Furniture40 Treatment42 Science | Registered | 2003 |
| STRUCTUREPAK 1242924 · TMA656969 | Nippon Dynawave Packaging Company, LLC | 16 Paper | Registered | 2006 |
| STRUCTUREPOINT 1487404 · TMA833600 | Structurepoint, LLC | 9 Electronics | Registered | 2012 |
| STRUCTURMARINE 1303332 · TMA752537 | Structure Marine Amarco inc. | 6 Metal9 Electronics12 Vehicles+3 | Registered | 2009 |
| STRUCTUREFLOW 2003290 · TMA1116302 · design | StructureFlow Ltd | 9 Electronics35 Advertising42 Science+1 | Registered | 2021 |
| STRUCTURESERV 1208664 · TMA700327 | Nippon Dynawave Packaging Company, LLC | 16 Paper | Registered | 2007 |
| STRUCTURECOTE 1149845 · TMA728309 | Akzo Nobel Functional Chemicals LLC | 1 Chemicals | Registered | 2008 |
| STRUCTURETONE 1870413 | STO Building Group, Inc. | 37 Construction42 Science | Pending | 2017 |
| STRUXURE 1719057 · TMA1044978 | Axion International Holdings, Inc. | 6 Metal20 Furniture | Registered | 2019 |
| STRUCT 1715663 · TMA957060 | MASCO CANADA LIMITED | 11 Lighting | Registered | 2016 |