| COREWORKS 2374561 | Flex Ltd. | 9 Electronics | Pending | 2024 |
| COREWORKS 2324262 | Coreworks, LLC | 37 Construction44 Medical45 Legal | Pending | 2024 |
| CareWorx 1768294 · TMA984769 | DAS Health Ventures (Canada), Inc. | 42 Science | Registered | 2017 |
| COREWORX 1238187 · TMA657786 | Constellation Homebuilder Systems Corp. | 9 Electronics | Registered | 2006 |
| CHAIRWORKS 0572605 · TMA346120 · design | Chairworks Holdings Investment Limited | 20 Furniture | Registered | 1988 |
| CARERX 2037085 · TMA1280036 · design | CareRx Corporation | 35 Advertising39 Transport41 Education+1 | Registered | 2025 |
| CareersInFood 2031139 · TMA1135751 | FARMS.COM CANADA INC. | 35 Advertising | Registered | 2022 |
| curryracha 1975130 · TMA1122339 | Owner not shown | 30 Coffee | Registered | 2022 |
| COURIERGATEWAY 1841269 · TMA1037691 · design | Couriergateway.com Inc. | 9 Electronics35 Advertising42 Science | Registered | 2019 |
| COURIERGATEWAY 1841267 · TMA1037565 | Couriergateway.com Inc. | 9 Electronics35 Advertising42 Science | Registered | 2019 |
| CARRIERKOTE 1822997 · TMA1065718 | WestRock MWV, LLC, a legal entity | 16 Paper | Registered | 2019 |
| Carreras 1815066 · TMA995032 | Xpression Vin Inc. | 33 Wine | Registered | 2018 |
| CARRIÈREXPRESS 1690275 · TMA916411 | Century 21 Canada Limited Partnership | 41 Education | Registered | 2015 |
| CAREERXPRESS 1690257 · TMA916440 | Century 21 Canada Limited Partnership | 41 Education | Registered | 2015 |
| CARWORX 1673156 · TMA945347 · design | Carworx Distribution Inc. | 1 Chemicals2 Paints3 Cosmetics+10 | Registered | 2016 |
| Careergasm 1654830 · TMA921030 | an individual | 9 Electronics16 Paper41 Education | Registered | 2015 |
| CAREERWISE 1600230 · TMA863545 | The Eisen Consulting Group Inc. | 35 Advertising41 Education | Registered | 2013 |
| CAREERCAST 1543162 · TMA876213 | ADICIO, INC. | 35 Advertising | Registered | 2014 |
| CHERRYRICH 1368789 · TMA858036 | InovoBiologic Inc. | 5 Pharmaceuticals | Registered | 2013 |
| CAREERIOUS 1337949 · TMA762916 | Clearfit Inc. | 9 Electronics35 Advertising41 Education | Registered | 2010 |
| CAREERXCHANGE 1263858 · TMA730355 | Careerxchange, Inc. | 35 Advertising | Registered | 2008 |
| CAREERJET 1182550 · TMA653431 | Owner not shown | 35 Advertising38 Telecommunications | Registered | 2005 |
| CRURASOFT 1144799 · TMA642165 | C.R. BARD, INC. A LEGAL ENTITY | 10 Medical | Registered | 2005 |
| CAREERXACT 0898738 · TMA526609 · design | careerXact Inc. | 42 Science45 Legal | Registered | 2000 |
| CHIRURGIVISION 0841185 · TMA500378 · design | an individual | 44 Medical | Registered | 1998 |