| CONTEMPORARY 1111518 · TMA590238 | Concord Music Group, Inc. | 9 Electronics | Registered | 2003 |
| CONTEMPRA 1554189 · TMA904465 · design | Portland Cement Association | 19 Building | Registered | 2015 |
| CONTEMPRA 1554188 · TMA904468 | Portland Cement Association | 19 Building | Registered | 2015 |
| CONTEMPRA 1547861 · TMA838350 · design | Portland Cement Association | 35 Advertising | Registered | 2012 |
| CONTEMPRA 1531862 · TMA880133 | Portland Cement Association | 35 Advertising | Registered | 2014 |
| CONTEMPRA 1394997 · TMA780329 | ASSA ABLOY Americas Residential Inc. | 11 Lighting21 Housewares | Registered | 2010 |
| CONTEMPRA 0607230 · TMA352309 | SSH Bedding Canada Co. | 20 Furniture | Registered | 1989 |
| CONTEMPORAINE 1845017 · TMA1083608 · design | LA MAISON SIMONS INC. | 3 Cosmetics14 Jewellery18 Leather+3 | Registered | 2020 |
| CONTEMPORAINE 1216329 · TMA635913 · design | LA MAISON SIMONS INC. | 25 Clothing35 Advertising | Registered | 2005 |
| CONTEMPORAINE 0347311 · TMA186148 | LA MAISON SIMONS INC. | 14 Jewellery18 Leather21 Housewares+3 | Registered | 1972 |
| CONTEMPORIST 1496633 · TMA820642 | an individual | 41 Education42 Science43 Restaurants | Registered | 2012 |
| CONTEMPRO 1799416 · TMA1007368 | Everki International Co. Ltd. | 9 Electronics18 Leather | Registered | 2018 |
| CONTEMPO 1636958 · TMA912111 | Owner not shown | 6 Metal | Registered | 2015 |
| CONTEMPO 1439545 · TMA824218 | MEYER MANUFACTURING COMPANY LIMITED | 21 Housewares | Registered | 2012 |
| CONTEMPO 1386704 · TMA750904 | TARKETT USA INC. | 27 Carpets | Registered | 2009 |
| CONTEMPO 0475796 · TMA276610 | Craft-Bilt Manufacturing Company | 22 Ropes35 Advertising40 Treatment | Registered | 1983 |
| CONTEMP 2308327 | Loggerflex Smart Devices Ltd. | 9 Electronics | Pending | 2024 |
| CENTENNIAL 2078958 · TMA1141975 | Water Technology, LLC | 11 Lighting | Registered | 2022 |
| Centennial 2052139 · TMA1149215 | an individual | 29 Meat30 Coffee | Registered | 2022 |
| CONTENDER 2023919 · TMA1202433 | an individual | 6 Metal7 Machines17 Rubber | Registered | 2023 |
| CONTENTFUL 2004442 · TMA1119099 | Contentful GmbH | 9 Electronics35 Advertising42 Science | Registered | 2022 |
| CONTINENTAL 1953962 · TMA1139956 | JANOME SEWING MACHINE COMPANY LIMITED | 7 Machines | Registered | 2022 |
| CONTENTLAB 1933750 · TMA1178408 | CodeProject Solutions Inc. | 9 Electronics16 Paper35 Advertising+2 | Registered | 2023 |
| CONTENDER 1894477 · TMA1107917 | Mosaic Sales Solutions US Operating Co. LLC | 35 Advertising | Registered | 2021 |
| CONTENDER 1879834 · TMA1087044 | APPLETON GRP LLC | 11 Lighting | Registered | 2020 |