| CodeJet 2178677 | Omegabrand Sales Corporation | 2 Paints9 Electronics16 Paper+1 | Pending | 2022 |
| COATEST 0408409 · TMA234509 | an individual | 1 Chemicals5 Pharmaceuticals | Registered | 1979 |
| Cityside 2160526 · TMA1211119 | Cityside Law Professional Corporation | 35 Advertising36 Finance45 Legal | Registered | 2023 |
| CATHYCAT 2148403 · TMA1219775 | LG H&H Co., LTD. | 3 Cosmetics | Registered | 2024 |
| CYTACOAT 2126577 · TMA1226839 | an individual | 1 Chemicals5 Pharmaceuticals10 Medical+1 | Registered | 2024 |
| CITISKETCH 1977110 · TMA1283701 · design | Black Arcs Inc | 42 Science | Registered | 2025 |
| CityStore 1931918 · TMA1134327 | 2155809 Alberta Inc | 5 Pharmaceuticals29 Meat30 Coffee+7 | Registered | 2022 |
| CityStudio 1873038 · TMA1054279 | CityStudio Vancouver Society | 35 Advertising | Registered | 2019 |
| CityWest 1842423 · TMA1020064 | City West Cable & Telephone Corp. | 38 Telecommunications41 Education | Registered | 2019 |
| Catastrophologue 1775048 · TMA971427 | CONSULTANT MÉMO INC. | 37 Construction45 Legal | Registered | 2017 |
| CITYKIDZ 1766615 · TMA1007904 | City Kidz Ministry | 16 Paper35 Advertising36 Finance+4 | Registered | 2018 |
| CATSTUDIO 1737472 · TMA1040207 | Catstudio, Inc. | 18 Leather20 Furniture21 Housewares+1 | Registered | 2019 |
| CATSTREAM 1717533 · TMA935916 | Aon Benfield Securities, Inc. | 36 Finance | Registered | 2016 |
| CIDACTO 1707057 · TMA1064503 | an individual | 1 Chemicals5 Pharmaceuticals | Registered | 2019 |
| CHATSTERS 1663619 · TMA935628 | Spin Master Ltd. | 2 Paints9 Electronics16 Paper+1 | Registered | 2016 |
| CODECADEMY 1617014 · TMA876993 | Codecademy, LLC | 41 Education | Registered | 2014 |
| CitiKitty 1615909 · TMA918332 | 3 - PURPOSE INC. | 11 Lighting | Registered | 2015 |
| CADSTER 1594832 · TMA1003159 | IEM Schwenk GmbH | 6 Metal9 Electronics12 Vehicles+4 | Registered | 2018 |
| COTTSWOOD 1495217 · TMA832382 | Cottswood Interiors Ltd. | 35 Advertising42 Science | Registered | 2012 |
| CATASTROPHONE 1460588 · TMA789833 | MANIC MARKETING INC. | 38 Telecommunications | Registered | 2011 |
| CITYSTAR 1287734 · TMA752812 | International Truck Intellectual Property Company, LLC | 12 Vehicles | Registered | 2009 |
| CDCTECH 1282584 · TMA679276 | Chidaca International Inc. | 2 Paints3 Cosmetics6 Metal+11 | Registered | 2007 |
| CADDYSTACK 0705005 · TMA417115 | Spectrum Educational Supplies Limited / Spectrum-Instruments Educatifs Limitee | 20 Furniture21 Housewares | Registered | 1993 |
| CYDECTIN 0642749 · TMA476022 | Boehringer Ingelheim Animal Health USA Inc. | 5 Pharmaceuticals | Registered | 1997 |
| CEDKUATRO 2362533 | PFIZER INC. | 5 Pharmaceuticals | Pending | 2024 |