| 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 |
| CONTEMPRO 1799416 · TMA1007368 | Everki International Co. Ltd. | 9 Electronics18 Leather | Registered | 2018 |
| 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 |
| CONTEND 2111728 · TMA1159470 | Owner not shown | 5 Pharmaceuticals10 Medical | Registered | 2023 |
| CONTEND 1887756 · TMA1103452 | Mosaic Sales Solution US Operating Co. LLC | 35 Advertising | Registered | 2021 |
| CONTENT 1799426 · TMA1053009 · design | Ipsen Biopharm Limited | 42 Science | Registered | 2019 |
| CONTEND 1771791 · TMA1040429 | Giant Manufacturing Co. Ltd. | 6 Metal12 Vehicles20 Furniture | Registered | 2019 |
| CONTEMPORAL 1644190 · TMA895311 | an individual | 33 Wine | Registered | 2015 |
| Contenta 1580672 · TMA1021599 | CONTENTA INC. | 38 Telecommunications | Registered | 2019 |
| CONTENIX 1505996 · TMA931529 | CONTENIX INC. | 42 Science | Registered | 2016 |
| CONTENTS 1473975 · TMA791050 | Conair LLC | 9 Electronics16 Paper18 Leather+1 | Registered | 2011 |
| CONTEMPORIST 1496633 · TMA820642 | an individual | 41 Education42 Science43 Restaurants | Registered | 2012 |
| CONTEMPORARY 1111518 · TMA590238 | Concord Music Group, Inc. | 9 Electronics | Registered | 2003 |
| CONTINO 2138011 · TMA1218187 · design | an individual | 33 Wine | Registered | 2024 |
| CENTIME 1998863 · TMA1255913 | Centime, Inc. | 42 Science | Registered | 2024 |
| CANTEEN 1953567 · TMA1205541 · design | Compass Group USA, Inc. | 35 Advertising | Registered | 2023 |
| CENTIMO 1863499 · TMA1067405 | MASCO CANADA LIMITED | 11 Lighting | Registered | 2019 |