| CALVET 0593121 · TMA362075 | an individual | 30 Coffee33 Wine | Registered | 1989 |
| CELVIT 0472498 · TMA266470 | Akzo Nobel Coatings Ltd. | 2 Paints | Registered | 1982 |
| CLIVET 2336651 · design | an individual | 11 Lighting | Pending | 2024 |
| CLBPT 1186030 · TMA616992 | Centre for Canadian Language Benchmarks/Centre des niveaux de compétence linguistiques canadiens | 9 Electronics16 Paper41 Education+1 | Registered | 2004 |
| CLEVITE 0275816 · TMA134532 | MAHLE International GmbH | 7 Machines9 Electronics12 Vehicles+1 | Registered | 1964 |
| CLEVITE 0207757 · UCA39339 | MAHLE International GmbH | 6 Metal7 Machines8 Hand+5 | Registered | 1950 |
| CLUBTINIS 2260499 · TMA1281115 | BROUE-ALLIANCE INC. / BREW-ALLIANCE INC. | 32 Beer33 Wine | Registered | 2025 |
| calevoit 2129832 · TMA1192089 | an individual | 20 Furniture25 Clothing | Registered | 2023 |
| CHILIBOATS 2115274 · TMA1182932 | Owner not shown | 12 Vehicles | Registered | 2023 |
| coylbod 2106199 · TMA1190736 | Shenzhen Youli Technology Co. Ltd. | 2 Paints3 Cosmetics | Registered | 2023 |
| COLAVITA 2087375 · TMA1217816 · design | an individual | 29 Meat30 Coffee | Registered | 2024 |
| CALBADIAM 2018356 · TMA1108357 | an individual | 1 Chemicals5 Pharmaceuticals | Registered | 2021 |
| COOLBET 1995860 · TMA1156931 · design | SUREWIN LIMITED | 9 Electronics41 Education42 Science | Registered | 2022 |
| COOLBET 1993614 · TMA1156921 | SUREWIN LIMITED | 9 Electronics41 Education42 Science | Registered | 2022 |
| CHILIPAD 1964744 · TMA1285106 | Sleepme Inc. | 9 Electronics11 Lighting | Registered | 2025 |
| CALPEDA 1898923 · TMA1118934 | an individual | 7 Machines9 Electronics11 Lighting | Registered | 2022 |
| CELLBOT 1836928 · TMA1045999 | an individual | 7 Machines9 Electronics40 Treatment | Registered | 2019 |
| CLIPTEK 1830592 · TMA1063694 | DCM Metal Corp. | 6 Metal19 Building20 Furniture | Registered | 2019 |
| CALOPATIO 1812237 · TMA998224 | 9351-5542 QUEBÉC INC. | 19 Building | Registered | 2018 |
| CALFAT 1804739 · TMA1041947 | Volac Wilmar Feed Ingredients Holdings Limited | 5 Pharmaceuticals31 Fresh | Registered | 2019 |
| CLAVITANOL 1789099 · TMA1021312 | an individual | 5 Pharmaceuticals | Registered | 2019 |
| COOLFIT 1784445 · TMA978974 | ECOGOLD - HT Ecologic Product, Ltd | 18 Leather | Registered | 2017 |
| COOLPAD 1760702 · TMA991693 · design | YULONG COMPUTER TELECOMMUNICATION SCIENTIFIC (SHENZHEN) Co. LTD | 9 Electronics | Registered | 2018 |
| CALLEBAUT 1752287 · TMA1003810 | an individual | 30 Coffee32 Beer35 Advertising+1 | Registered | 2018 |
| COOLPAD 1715233 · TMA988444 · design | YULONG COMPUTER TELECOMMUNICATION SCIENTIFIC (SHENZHEN) Co. LTD | 9 Electronics | Registered | 2018 |