| CORNICHE 0389331 · TMA217212 | an individual | 12 Vehicles | Registered | 1976 |
| CORENCE 1849201 · TMA1027678 | BLANCO GmbH + Co KG | 11 Lighting | Registered | 2019 |
| CORNAC 1541147 · TMA830716 | BRÛLÉ MÉDIA INC. | 9 Electronics16 Paper41 Education | Registered | 2012 |
| CORNICELLO 2341850 | 9375-1105 Québec Inc. | 43 Restaurants | Pending | 2024 |
| CHRONICLE 2207517 · TMA1246446 · design | an individual | 42 Science | Registered | 2024 |
| CHRONICLE 1990402 · TMA1154815 | Global Life Sciences Solutions USA LLC | 42 Science | Registered | 2022 |
| CHRONICLE 1909969 · TMA1092118 | Chronicle LLC | 9 Electronics42 Science | Registered | 2021 |
| CHRONICLE 1765681 · TMA1046677 | Chronicle LLC | 9 Electronics39 Transport41 Education+2 | Registered | 2019 |
| CHRONICLE 0796800 · TMA521672 | MEDTRONIC, INC., A CORPORATION OF MINNESOTA | 10 Medical | Registered | 2000 |
| CHRONICLE 2329335 · design | Timand Holdings Limited | 36 Finance | Pending | 2024 |
| ChronicX 1535665 · TMA860910 | CASEBANK TECHNOLOGIES INC. | 42 Science | Registered | 2013 |
| CHRONICLES 1345148 · TMA731229 | Epic Systems Corporation | 9 Electronics | Registered | 2008 |
| ChroniCare 0916539 | an individual | 1 Chemicals2 Paints3 Cosmetics+42 | Pending | 2005 |
| CARNECT 2106502 · TMA1225845 · design | Micronnexus GmbH | 41 Education | Registered | 2024 |
| CARNAGE 1900367 · TMA1082732 | Cheng Shin Rubber Ind. Co. Ltd. | 12 Vehicles | Registered | 2020 |
| CORNCOB 1879524 · TMA1082538 | PRO-Equipment, Inc. | 11 Lighting | Registered | 2020 |
| CHRONIC 1682518 · TMA919374 | Winery Exchange, Inc. | 33 Wine | Registered | 2015 |
| CARNAGE 1594606 · TMA914734 | Penn Fishing Tackle Mfg. Company | 28 Toys | Registered | 2015 |
| CORONIS 1514944 · TMA870026 | LOCKHEED MARTIN CORPORATION | 9 Electronics40 Treatment42 Science | Registered | 2014 |
| CORNJ 1451939 · TMA772503 | THE OPERATING ROOM NURSES ASSOCIATION OF CANADA (ORNAC) ASSOCIATION DES INFIRMIERES ET INFIRMIERS DE SALLES D'OPERATION DU CANADA (AIISOC). | 16 Paper | Registered | 2010 |
| CORANCO 1317566 · TMA701636 | GROUPE SEB CANADA INC. | 35 Advertising | Registered | 2007 |
| CHRONIC 1177434 · TMA654334 | KORE OUTDOOR LTD. | 4 Oils6 Metal8 Hand+9 | Registered | 2005 |
| CHRONIC 1133860 · TMA596097 | KORE OUTDOOR LTD. | 25 Clothing28 Toys | Registered | 2003 |
| CORNMAX 1042229 · TMA573932 | Axter Agroscience Inc. | 1 Chemicals | Registered | 2003 |
| CORINEX 1013903 · TMA570190 | Corinex Communications Corp. | 9 Electronics35 Advertising41 Education+1 | Registered | 2002 |