| CADRE 1935018 · TMA1185681 | Quadro Partners, Inc. | 36 Finance42 Science | Registered | 2023 |
| CADDRA 1892726 · TMA1086744 | Owner not shown | 9 Electronics16 Paper35 Advertising+3 | Registered | 2020 |
| CADRI 1690127 · TMA925164 | Canadian Association of Direct Relationship Insurers (CADRI) - Association Canadienne des Assureurs Directs (ACAD) | 35 Advertising36 Finance | Registered | 2016 |
| CADRE 1548248 · TMA826045 · design | Cadre Staffing Inc. | 35 Advertising | Registered | 2012 |
| CUTERA 1196892 · TMA635598 | Cutera, Inc. | 10 Medical | Registered | 2005 |
| CATRA 0554552 · TMA321353 | Mattel, Inc. | 28 Toys | Registered | 1986 |
| CADRE 2201802 | Cadre LLC | 9 Electronics42 Science | Pending | 2022 |
| CADDERA 1848502 · TMA1080460 | Fresenius Medical Care Deutschland GmbH | 5 Pharmaceuticals | Registered | 2020 |
| COUTURA 1209340 · TMA654896 | Seiko Group Kabushiki Kaisha t/a Seiko Group Corporation | 14 Jewellery | Registered | 2005 |
| CUÉTARA 0707458 · TMA469395 · design | an individual | 30 Coffee | Registered | 1997 |
| Cotrio 2258929 · TMA1277817 | Owner not shown | 25 Clothing | Registered | 2024 |
| CCDR 2242018 · TMA1197304 | Canadian Customer Debt Relief Inc. | 35 Advertising36 Finance41 Education | Registered | 2023 |
| COTERIE 2187679 · TMA1269198 · design | Coterie Brands Inc. | 3 Cosmetics5 Pharmaceuticals9 Electronics+5 | Registered | 2024 |
| CTR 2171694 · TMA1204348 · design | CTR Co.Ltd. | 12 Vehicles | Registered | 2023 |
| CUTTER 2171513 · TMA1186816 | UNITED INDUSTRIES CORPORATION | 5 Pharmaceuticals8 Hand10 Medical | Registered | 2023 |
| Cewiter 2160081 · TMA1210057 | an individual | 20 Furniture | Registered | 2023 |
| CUTTER 2143235 · TMA1284309 | UNITED INDUSTRIES CORPORATION | 4 Oils5 Pharmaceuticals7 Machines+2 | Registered | 2025 |
| CITREA 2108333 · TMA1227781 · design | Citizen Tokei Kabushiki Kaishaalso trading as Citizen Watch Co. Ltd. | 9 Electronics | Registered | 2024 |
| CIDER 2108239 · TMA1181725 · design | Beijing Xide International Network Technology Co.,Ltd. | 14 Jewellery18 Leather25 Clothing+1 | Registered | 2023 |
| CUATER 2100241 · TMA1161521 | TravisMathew, LLC | 24 Textiles25 Clothing | Registered | 2023 |
| CUTERO 2095954 · TMA1212960 | Xiamen Qiujia Trading Co.Ltd. | 25 Clothing | Registered | 2023 |
| Cadoro 2089432 · TMA1234271 | Cadoro Plaster Inc. | 19 Building | Registered | 2024 |
| CODDAR 2076854 · TMA1166890 · design | SHENZHEN GNBL LIMITED | 9 Electronics12 Vehicles | Registered | 2023 |
| CETTIRE 2074341 · TMA1193354 | Ark Technologies Pty Ltd | 35 Advertising | Registered | 2023 |
| CAUTRE 2071505 · TMA1168404 · design | CJ CAU TRE FOODS JOINT STOCK COMPANY | 29 Meat30 Coffee | Registered | 2023 |