| CORNATOS 0499443 · TMA295078 | PepsiCo Canada ULC, c/o/b as Frito Lay Canada | 30 Coffee | Registered | 1984 |
| CARNITOR 1795009 · TMA1002939 | an individual | 5 Pharmaceuticals | Registered | 2018 |
| Carnitas 2239333 | J.E. MONDOU LTEE | 31 Fresh | Pending | 2023 |
| CORNDROP 2142714 · TMA1200391 · design | Corndrop Enterprise Inc. | 8 Hand21 Housewares | Registered | 2023 |
| CORNDROP 2142699 · TMA1200389 | Corndrop Enterprise Inc. | 8 Hand21 Housewares | Registered | 2023 |
| CORANTO 2031526 · TMA1194250 | Delta Faucet Company | 11 Lighting | Registered | 2023 |
| CORNETTO 1381994 · TMA827236 | an individual | 30 Coffee | Registered | 2012 |
| CORNTEC 1242699 · TMA774767 | HTT MATERIAL TECHNOLOGY CO. LTD. | 22 Ropes23 Yarns24 Textiles+1 | Registered | 2010 |
| CERNIT 0633283 · TMA376177 | Owner not shown | 16 Paper | Registered | 1990 |
| CORNNUTS 0377510 · TMA209365 | Hormel Foods Corporation | 30 Coffee | Registered | 1975 |
| CERNITIN 0263430 · TMA135706 | an individual | 5 Pharmaceuticals | Registered | 1964 |
| CORONATION 1895571 · TMA1087317 | Coronation Asset Management (Proprietary) Limited | 36 Finance | Registered | 2020 |
| CORRENTOSO 1537985 · TMA844955 | Owner not shown | 33 Wine | Registered | 2013 |
| CORONATION 1358438 · TMA736299 | Condiment House Inc. | 29 Meat30 Coffee31 Fresh | Registered | 2009 |
| CORONATION 0629546 · TMA370116 | SEALY CANADA LTD./LTEE. | 20 Furniture | Registered | 1990 |
| CORONATION 0202671 · UCA34488 | LES ALIMENTS WHYTE'S INC./WHYTE'S FOODS INC. | 29 Meat30 Coffee | Registered | 1949 |
| CORONATIX 1801736 · TMA1055679 | JenaValve Technology Inc. | 5 Pharmaceuticals10 Medical44 Medical | Registered | 2019 |
| CARNATION 1797298 · TMA995599 | Owner not shown | 29 Meat30 Coffee | Registered | 2018 |
| CHRONITAL 1020434 · TMA539326 | Vulkan Inox GmbH | 6 Metal | Registered | 2001 |
| CARNATION 0316297 · TMA167603 | Owner not shown | 3 Cosmetics5 Pharmaceuticals10 Medical+5 | Registered | 1970 |
| "CARNATION" 0153419 · TMDA51392 | Owner not shown | 16 Paper21 Housewares29 Meat+1 | Registered | 1931 |
| CARNATION 0039756 · TMDA7542 · design | Owner not shown | 29 Meat | Registered | 1900 |
| CORINTHIANS 1199671 · TMA624229 | SEASONAL SUPPLIES PTY LTD. | 30 Coffee | Registered | 2004 |
| carmyda 2227373 · TMA1251440 | carmyda | 35 Advertising36 Finance39 Transport | Registered | 2024 |
| CURRENTO 2203359 · TMA1284564 | NV Bekaert SA | 1 Chemicals6 Metal9 Electronics+2 | Registered | 2025 |