| CATSWELL 1678279 · TMA1033557 · design | Whitebridge Pet Brands, LLC | 31 Fresh | Registered | 2019 |
| CATSWELL 1678278 · TMA1033590 · design | Whitebridge Pet Brands, LLC | 31 Fresh | Registered | 2019 |
| CUTICELL 1626461 · TMA892448 | BSN medical GmbH | 5 Pharmaceuticals | Registered | 2014 |
| CATSWELL 1511659 · TMA838070 · design | Whitebridge Pet Brands, LLC | 31 Fresh | Registered | 2012 |
| CUTSOL 0553423 · TMA334903 | Petro-Canada Lubricants Inc. | 4 Oils | Registered | 1987 |
| CHETZEL 2230090 · TMA1252947 | an individual | 21 Housewares | Registered | 2024 |
| CHITOSAL 2179954 · TMA1229011 | MIIM Horticulture Limited | 1 Chemicals | Registered | 2024 |
| CHITOGEL 1993448 · TMA1121613 | CHITOGEL LIMITED | 5 Pharmaceuticals | Registered | 2022 |
| ChitoZolve 1911195 · TMA1096141 | OLYMPUS CORPORATION, a legal entity | 5 Pharmaceuticals10 Medical | Registered | 2021 |
| CTESOL 1894987 · TMA1102702 | TESL Ontario (Teachers of English as a Second Language Association of Ontario) | 41 Education | Registered | 2021 |
| CytoKelp 1768129 · TMA971439 | EZ-Gro Organics Inc. | 1 Chemicals | Registered | 2017 |
| CATACLYSM 1746124 · TMA972708 | Kenda Rubber Industrial Co. Ltd. | 12 Vehicles | Registered | 2017 |
| CADACLICK 1654280 · TMA907931 · design | an individual | 35 Advertising42 Science | Registered | 2015 |
| CATACLEAN 1630324 · TMA907125 | Rosehoff Limited | 1 Chemicals3 Cosmetics | Registered | 2015 |
| CATIOCLEAN 1551137 · TMA897748 | Mary Cohr a French societe par actions simplifiee also known as a French joint stock company | 3 Cosmetics10 Medical | Registered | 2015 |
| CITYSOIL 1530983 · TMA840310 | Beaver Landscape Ltd. | 1 Chemicals44 Medical | Registered | 2013 |
| CUTISCLR7.0 1515249 · TMA883206 | SmartHealth, Inc. | 5 Pharmaceuticals | Registered | 2014 |
| CITYCLASSIFIED 1490746 · TMA803506 | Fortune Dynamic Inc. | 25 Clothing | Registered | 2011 |
| CATHEJELL 1444094 · TMA818710 | Owner not shown | 5 Pharmaceuticals | Registered | 2012 |
| CADDYCLEAN 1119532 · TMA603981 | an individual | 7 Machines | Registered | 2004 |
| COTTAGELINK 1077265 · TMA578104 | an individual | 35 Advertising41 Education42 Science | Registered | 2003 |
| CATACLYSM 1059807 · TMA581645 | Blizzard Entertainment, Inc. | 9 Electronics | Registered | 2003 |
| CITYCLEAR 0853733 · TMA530108 | INTELPROP AUTHORITY INC. | 2 Paints | Registered | 2000 |
| CITIGOLD 0737314 · TMA464769 | Citigroup Inc. (a Delaware corporation) | 36 Finance | Registered | 1996 |
| CYTOCELL 0732504 · TMA496437 | Cytocell Limited | 1 Chemicals5 Pharmaceuticals | Registered | 1998 |