| CONDOFLOW 1810052 · TMA996559 · design | an individual | 9 Electronics42 Science45 Legal | Registered | 2018 |
| CONDOBLOCK 2348541 · design | Owner not listed | 16 Paper | Pending | 2024 |
| CONTIFLEX 1687700 · TMA928311 | ARMOR-INOX (SA) | 9 Electronics11 Lighting | Registered | 2016 |
| CONTIFLEX 1506807 · TMA862934 | CONTINENTAL REIFEN DEUTSCHLAND GMBH | 7 Machines | Registered | 2013 |
| CYNDIBANDS 2213382 · TMA1165032 | Cynthia Sarah, Inc. | 26 Sewing | Registered | 2023 |
| CANTUF 2206541 · TMA1242714 | Cedarland Forest Products LTD | 11 Lighting | Registered | 2024 |
| CamDiab 2204733 · TMA1282833 | CamDiab Ltd | 9 Electronics42 Science | Registered | 2025 |
| CANDBERROL 2162403 · TMA1217484 · design | Owner not shown | 5 Pharmaceuticals | Registered | 2024 |
| CanadaVistas 2149208 · TMA1188738 | Owner not shown | 16 Paper | Registered | 2023 |
| CAMDIVE 2124772 · TMA1242369 | SWIX Inc. | 9 Electronics | Registered | 2024 |
| CONTIVUE 2096517 · TMA1207232 | an individual | 10 Medical | Registered | 2023 |
| CamdiBot 2073036 · TMA1161393 | Shenzhen Guji Technology Trading Co. Ltd. | 21 Housewares | Registered | 2023 |
| COUNTBRIGHT 2044266 · TMA1123233 | Life Technologies Corporation | 1 Chemicals | Registered | 2022 |
| CandyPearls 2039055 · TMA1143705 | an individual | 14 Jewellery | Registered | 2022 |
| CANDYBAR 2026663 · TMA1206970 | Seeing Machines Limited | 9 Electronics42 Science | Registered | 2023 |
| Countable 2020967 · TMA1266400 | Adinovis Inc. | 42 Science | Registered | 2024 |
| CANADVANTAGE 1972545 · TMA1275074 · design | CANAD CORPORATION OF MANITOBA LTD. | 41 Education43 Restaurants | Registered | 2024 |
| CANDYBOX 1967792 · TMA1218871 | Candybox Marketing Inc. | 35 Advertising41 Education42 Science | Registered | 2024 |
| CONDOVILLE 1955907 · TMA1130469 | Condoville Inc. | 35 Advertising36 Finance37 Construction+2 | Registered | 2022 |
| ComediHub 1919779 · TMA1103592 | ComediHa! Inc. | 38 Telecommunications41 Education | Registered | 2021 |
| CENTOPTIC 1901261 · TMA1098564 | CENTENNIAL OPTICAL LIMITED | 3 Cosmetics9 Electronics21 Housewares | Registered | 2021 |
| ContiBond 1889315 · TMA1065334 | CONTINENTAL REIFEN DEUTSCHLAND GMBH | 12 Vehicles | Registered | 2019 |
| CONNETABLE 1886116 · TMA1066153 | Chancerelle | 29 Meat | Registered | 2019 |
| Centify 1872549 · TMA1041098 | Jean-Marie Grange Centify Payments inc | 36 Finance | Registered | 2019 |
| CANNADIPS 1855214 · TMA1057079 | Trinidad Consulting, LLC | 3 Cosmetics5 Pharmaceuticals34 Tobacco | Registered | 2019 |