| CORRPRO 1065750 · TMA622596 | CORRPRO COMPANIES, INC. | 1 Chemicals2 Paints5 Pharmaceuticals+13 | Registered | 2004 |
| CorePro8 1925016 · TMA1116794 | an individual | 35 Advertising41 Education | Registered | 2022 |
| CORREPRO 1025340 · TMA541692 · design | CORREPRO CANADA INC. | 37 Construction42 Science | Registered | 2001 |
| CORREPRO 1025339 · TMA541716 | CORREPRO CANADA INC. | 37 Construction42 Science | Registered | 2001 |
| CORPORA 1752095 · TMA1052241 · design | Corpora Inc. une entité légale | 35 Advertising36 Finance42 Science | Registered | 2019 |
| CuraPro 1591653 · TMA892162 | EuroPharma, Inc. | 5 Pharmaceuticals | Registered | 2014 |
| CERAPRO 1484343 · TMA794936 | Standard Products Inc. | 11 Lighting | Registered | 2011 |
| CURAPROX 1999404 · TMA1145323 · design | an individual | 3 Cosmetics5 Pharmaceuticals10 Medical+1 | Registered | 2022 |
| CURAPROX 1959243 · TMA1185686 | an individual | 3 Cosmetics5 Pharmaceuticals10 Medical+1 | Registered | 2023 |
| CARPROOF 1754142 · TMA993966 · design | CarProof Corporation | 35 Advertising | Registered | 2018 |
| CARPROOF 1754138 · TMA992682 · design | CarProof Corporation | 35 Advertising | Registered | 2018 |
| CORPORUM 1438739 · TMA772315 | Owner not shown | 36 Finance | Registered | 2010 |
| CARPROOF 1243682 · TMA652022 | CarProof Corporation | 35 Advertising | Registered | 2005 |
| CAREPROS 2256754 · design | CarePros Enterprise Inc. | 44 Medical45 Legal | Pending | 2023 |
| CAREPROS 2256753 | CarePros Enterprise Inc. | 43 Restaurants44 Medical45 Legal | Pending | 2023 |
| CORPROTECT 2202895 | Predl GmbH | 17 Rubber19 Building42 Science | Pending | 2022 |
| Carvero 2238631 · TMA1254202 | SUMITOMO CHEMICAL COMPANY LIMITED | 1 Chemicals5 Pharmaceuticals | Registered | 2024 |
| CORVARA 1345287 · TMA754284 | CITIZEN WATCH CANADA LTD. MONTRES CITIZEN CANADA LTÉE | 14 Jewellery | Registered | 2009 |
| CORFREE 0829241 · TMA485082 | Owner not shown | 1 Chemicals | Registered | 1997 |
| CORVERT 0752646 · TMA538338 | Pharmacia & Upjohn Company LLC, (a Delaware Limited Liability Company) | 5 Pharmaceuticals | Registered | 2000 |
| CEREBRO 2130135 | 2441674 Ontario Inc. | 30 Coffee42 Science | Pending | 2021 |
| CEREBRO 2097063 | Canadian Energy Services LP Canadian Energy Services Inc. | 42 Science | Pending | 2021 |
| CORIPHERY 1909565 · TMA1085285 | Coriphery Holistic Consulting Solutions Inc. | 35 Advertising41 Education | Registered | 2020 |
| CARPROCAN 1797165 · TMA998758 | an individual | 5 Pharmaceuticals | Registered | 2018 |
| CARPROMED 1675326 · TMA1040772 | Bimeda Animal Health Limited | 5 Pharmaceuticals | Registered | 2019 |