| SERI 1752775 · TMA1000952 | 1906921 Alberta Ltd. | 35 Advertising37 Construction40 Treatment+1 | Registered | 2018 |
| SERA 1411017 · TMA769140 | AMIRA ENTERPRISES INC. / LES ENTREPRISES AMIRA INC. | 29 Meat30 Coffee | Registered | 2010 |
| SERA 1335227 · TMA709474 | SCHLEICH GMBH | 28 Toys | Registered | 2008 |
| SERA 1280015 · TMA674615 | DyStar Colours Distribution GmbH | 1 Chemicals | Registered | 2006 |
| SERRA 0797754 · TMA502539 | CORREIA PORTUGUESE IMPORTERS LIMITED | 29 Meat | Registered | 1998 |
| SERA 0439295 · TMA246488 · design | Sera GmbH | 5 Pharmaceuticals11 Lighting17 Rubber+5 | Registered | 1980 |
| SERA 2356026 · design | an individual | 9 Electronics42 Science | Pending | 2024 |
| SERRA 2334134 | Owner not listed | 6 Metal20 Furniture21 Housewares+1 | Pending | 2024 |
| SERA 2292176 | Owner not listed | 12 Vehicles20 Furniture | Pending | 2023 |
| SERRA 1965220 | WINTERSTEIGER Woodtech GmbH | 7 Machines8 Hand37 Construction+3 | Pending | 2019 |
| SCORIA 2097785 · TMA1174798 | Scoria World Inc. | 18 Leather20 Furniture24 Textiles+4 | Registered | 2023 |
| SIERRA 1877886 · TMA1081393 · design | Beijing BOE Commerce Co.Ltd | 12 Vehicles | Registered | 2020 |
| SIERRA 1827477 · TMA1015971 · design | UPPER CANADA FOREST PRODUCTS LTD. also trading as UPPER CANADA | 19 Building35 Advertising | Registered | 2019 |
| SIERRA 1812505 · TMA1002925 · design | 4348125 Canada Inc. | 4 Oils5 Pharmaceuticals9 Electronics+3 | Registered | 2018 |
| SIERRA 1535706 · TMA884280 | MASONITE CORPORATION | 6 Metal19 Building | Registered | 2014 |
| SIERRA 1475002 · TMA815444 | Vicwest Inc. | 6 Metal | Registered | 2012 |
| SIERRA 1456032 · TMA784141 | an individual | 5 Pharmaceuticals | Registered | 2010 |
| SIERRA 1445503 · TMA850346 | LBP MANUFACTURING, INC. | 21 Housewares | Registered | 2013 |
| SIERRA 1418302 · TMA809172 · design | Sierra Utilities Inc. | 1 Chemicals4 Oils5 Pharmaceuticals+6 | Registered | 2011 |
| SIERRA 1417010 · TMA761068 | MESTEK, INC. | 11 Lighting | Registered | 2010 |
| SIERRA 1338752 · TMA726297 | SIG SAUER, Inc. | 9 Electronics | Registered | 2008 |
| SIERRA 1291551 · TMA684820 · design | RELIANCE INTERNATIONAL CORP. | 15 Musical | Registered | 2007 |
| SIERRA 1232887 · TMA674744 | Sierra Systems Group Inc. | 35 Advertising42 Science | Registered | 2006 |
| SIERRA 1212719 · TMA641140 | GENTEK BUILDING PRODUCTS LTD. | 19 Building | Registered | 2005 |
| SIERRA 1041064 · TMA548910 | 1063385 Ontario Limited | 9 Electronics | Registered | 2001 |